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4.7 Modulation Setting and Manipulation

IM FG410-01EN

4.7 Modulation Setting and Manipulation

4.7.1 Modulation types

The following eight types of modulation can be done.
• FM: Frequency Modulation

)

p. 75

• FSK: Frequency Shift Keying

This is binary frequency shift modulation.

)

p. 76

• PM: Phase Modulation

)

p. 77

• PSK: Phase Shift Keying

This is binary phase shift modulation.

)

p. 78

• AM: Amplitude Modulation

)

p. 79

• AM(DSB-SC): Amplitude Modulation

（

Double Side Band

−

Suppressed Carrier

）

This is AM that does not include the carrier frequency component.

)

p. 80

• DC offset modulation

)

p. 81

• PWM: Pulse Width Modulation

)

p. 82

Summary of Contents for FG400

Page 1: ...User s Manual FG400 Arbitrary Function Generator User s Manual Basic IM FG410 01EN 1st Edition ...

Page 2: ...asing YOKOGAWA products YOKOGAWA provides registered users with a variety of information and services Please allow us to serve you best by completing the product registration form accessible from our homepage http tmi yokogawa com PIM 103 03E ...

Page 3: ...GPIB and USB are provided separately If reading this manual for the first time start from 1 OVERVIEW of the Basics Instruction Manual Basics 1 OVERVIEW Briefly describes and explains the features and brief operation principles of the FG410 FG420 2 PREPARATIONS BEFORE USE Describes various cautions regarding preparations to be made before using the FG410 FG420 ranging from installation to connectio...

Page 4: ...EFERENCE Describes how to use external frequency reference 6 USING SEQUENCE OSCILLATION Describes how to set and operate sequence oscillation 7 USING USER DEFINED UNITS Explains the units that can be optionally set by users 8 OTHER UTILITY SETTINGS Explains how to set display and operational details 9 TROUBLESHOOTING Explains error messages and how to respond to cases where a failure is suspected ...

Page 5: ... power outlet with a protective grounding contact This product does not come with a 3 prong to 2 prong conversion adapter When using a separately sold 3 prong to 2 prong conversion adapter be sure to connect the green grounding wire of the adapter to the grounding terminal next to the outlet Check the power supply voltage This product operates on the power supply voltage shown in 2 3 Grounding and...

Page 6: ...nformation for avoiding danger to human life or bodily injury while handling this product Caution Symbol This symbol indicates information for preventing damage to the product when handling it Other symbols This symbol indicates that the external conductor of the connector is connected to the case This symbol shows that the external conductor of the connector is insulated from the case It shows ho...

Page 7: ...ective Annex I this product is classified as a Monitoring and Control instrumentation product Do not dispose in domestic household waste When disposing products in the EU contact your local Yokogawa Europe B V office New EU Battery Directive New EU Battery Directive DIRECTIVE 2006 66 EC This directive is valid only in the EU Batteries are included in this product This marking indicates they shall ...

Page 8: ...VI IM FG410 01EN ...

Page 9: ...FG410 9 3 1 3 Front panel of FG420 10 3 1 4 Rear panel of FG420 11 3 2 I O Terminals 12 3 2 1 Waveform output FCTN OUT 12 3 2 2 Sync sub output SYNC SUB OUT 13 3 2 3 External modulation addition input MOD ADD IN 14 3 2 4 External trigger input TRIG IN 14 3 2 5 External 10 MHz frequency reference input 10 MHz REF IN 15 3 2 6 Frequency reference output REF OUT 16 3 2 7 Multi I O MULTI I O 16 3 3 Cau...

Page 10: ...ency 44 4 4 5 Performing setting with period 45 4 4 6 Setting the phase 45 4 4 7 Setting the amplitude 48 4 4 8 Setting DC offset 50 4 4 9 Setting the output level with high level low level 51 4 4 10 Setting the waveform polarity and amplitude range 52 4 4 11 How to use auto range range hold for the output voltage 54 4 4 12 Setting the load impedance 55 4 4 13 Adding external signal 57 4 4 14 Sett...

Page 11: ...iggered gate oscillation 118 5 SAVING AND RECALLING SETTINGS 122 5 1 Saving Settings 122 5 2 Recalling Settings 124 6 LIST OF INITIAL SETTINGS 126 7 SPECIFICATIONS 129 7 1 Oscillation Modes 129 7 2 Waveforms 129 7 2 1 Standard waveforms 129 7 2 2 Arbitrary waveforms 129 7 3 Frequency Phase 130 7 4 Output Characteristics 130 7 4 1 Amplitude 130 7 4 2 DC offset 130 7 4 3 Load impedance setting 131 7...

Page 12: ...DIMENSIONS 149 Inch rack mounting dimensions for 1 unit 149 Inch rack mounting dimensions for 2 units 150 Millimeter rack mounting dimensions for 1 unit 151 Millimeter rack mounting dimensions for 2 units 152 Index 153 Figures and Tables Figure 3 1 Front Panel of FG410 8 Figure 3 2 Rear Panel of FG410 9 Figure 3 3 Front Panel of FG420 10 Figure 3 4 Rear Panel of FG420 11 Figure 3 5 Multi I O Conne...

Page 13: ...rds Phase and waveform remain continuous even when frequency is changed or during frequency sweep Square wave pulse with variable duty and high resolution of 0 0001 Pulse with variable leading edge time and trailing edge time Various oscillation modes Continuous oscillation Modulation FM FSK PM PSK AM DC offset modulation PWM Sweep Frequency phase amplitude DC offset duty Burst oscillation Auto bu...

Page 14: ...in amplifier PGA The external addition signal and DC offset are added to the PGA output When an output voltage exceeding 2V open is required output is done via the 5 amplifier The maximum output voltage of the product is either 20 Vp p or 4 Vp p depending on whether or not the 5 amplifier is used Also depending on this the external addition gain is either 10 or 2 After passing through the LPF the ...

Page 15: ...o synchronize multiple units is sent to REF OUT frequency reference output and the inter channel sync FG420 only is sent to the analog block of each channel Power supply block The AC DC directly connected to the power supply input is in a constantly powered state Control of each power supply circuit is done through power switch manipulation ANALOG CH1 AC DC FAN for ANALOG CH1 12V 㨪LINE 100V 230V f...

Page 16: ...n the product or an accessory is missing contact YOKOGAWA or its representative Appearance check Check that no abnormalities such as a flaw and dent are found on the panel controls connectors and so forth Configuration and accessory check The accessories of this product are listed below Check that there are no missing items and no flaws are found WARNING This product contains high voltage parts Ne...

Page 17: ...uipment with the rear panel facing down because this may damage the connectors and hinder ventilation Place the equipment on a flat surface such as a desk so that the four rubber feet and stands on the bottom side rest on that surface b Installation location conditions This product uses a fan for forced air cooling and features air intake and exhaust vents on the side and rear panels for this purp...

Page 18: ...ll rails in the rack to support the equipment Mounting the equipment into a fully enclosed rack may cause it to fail due to rising temperature Be sure to provide sufficient ventilation openings and forcibly cool the inside of the rack with fans For external dimensions for rack mounting refer to Inch rack mounting dimensions for 1 unit p 149 Inch rack mounting dimensions for 2 units p 150 Millimete...

Page 19: ...ain unit proper is 1500 Vrms AC CAUTION The power cord supplied with this equipment is designed to be used for this equipment only Do not use this power cord for other equipment or purposes 2 4 Calibration This equipment should undergo performance testing about once a year as a guideline although this depends on the usage environment and usage frequency Moreover when using this equipment to perfor...

Page 20: ...5 120 Triggered lamp Lights when a trigger is accepted pp 90 111 115 120 LCD panel Power switch p 21 NEXT key Press to switch setting screen pages p 26 UNDO key Press to undo setting changes p 35 CANCEL key Press to cancel p 35 ENTER key Press to enter a setting p 35 Arrow keys Press to select items or increase decrease values p 30 Modify knob Press to select items or increase decrease values p 30...

Page 21: ...Rear panel of FG410 Figure 3 2 Rear Panel of FG410 GPIB connector Exhaust vent p 5 Power supply input p 6 Multi I O connector Used for sweep sequence control sync code output p 16 Frequency reference output terminal p 16 External 10 MHz frequency reference input terminal p 15 USB connector ...

Page 22: ...o be set on the LCD panel p 38 UNDO key Press to undo setting changes p 35 CANCEL key Press to cancel p 35 ENTER key Press to enter a setting p 35 Arrow keys Press to select items or increase decrease values p 30 Modify knob Press to select items or increase decrease values p 30 Numeric keypad Used for numerical input p 31 Basic parameter shortcut keys Press to allow the waveform frequency amplitu...

Page 23: ...H2 external trigger input terminal p 14 GPIB connector Multi I O connector Used for sweep sequence control sync code output p 16 Frequency reference output terminal p 16 External 10 MHz frequency reference input terminal p 15 USB connector Exhaust vent p 5 Power supply input p 6 CH2 external modulation addition input terminal p 14 CH1 external modulation addition input terminal p 14 ...

Page 24: ...quipment CAUTION Do not apply a voltage exceeding the maximum input level to the input terminal as this may damage the equipment CAUTION If there is a difference in potential between the ground of a BNC connector insulated from the housing and the housing do not short circuit the hot side of that BNC connector and the housing as this may damage the equipment CAUTION If a difference in potential ex...

Page 25: ...n TTL level logic signal synchronized with internal modulation signal Sweep oscillation mode p 92 Reference phase sync signal Sweep X drive signal 0 V to 3 V open TTL level logic signal synchronized with sweep marker signal mixing possible Burst oscillation mode pp 108 111 115 120 Reference phase sync signal TTL level logic signal synchronized with burst oscillation Sequence oscillation mode 6 2 B...

Page 26: ...tions 3 2 4 External trigger input TRIG IN TRIG IN may be used as external trigger input in the following cases The polarity setting can be changed Single shot sweep start trigger p 90 Gated single shot sweep start trigger p 90 Trigger burst oscillation start trigger p 111 Input voltage 1 V full scale Maximum allowed input 2 V Input impedance 10 kΩ Input frequency During modulation DC to 25 kHz Du...

Page 27: ...multiple FG410 FG420 units Connect the frequency reference output of the master unit when multiple units are combined in synchronous connection or the master FG410 or FG420 to the external 10 MHz frequency reference input of the FG410 or FG420 Set the frequency setting of each unit to the same value Also enable external frequency reference setting for the slave units and perform phase synchronizat...

Page 28: ...ed for sweep control and sequence control It outputs the step synchronization code for the sequence Input frequency 10 MHz 0 5 50 kHz Input waveform Sine or square 50 5 duty Signal GND Insulated from housing and each channel waveform output 42 Vpk max Output voltage 1 Vp p 50 Ω Output impedance 50 Ω AC coupled Output frequency 10 MHz Output waveform Square Signal GND Same potential as housing FG42...

Page 29: ...weep through fall input during sweep execution The sweep is resumed from where it was held through rise input during hold Start or state branch Start control and state branch control can be selected During start control the sequence is started from the beginning through fall input ORed with external trigger input During state branch control the sequence is branched to the specified destination ste...

Page 30: ...p sync code D2 Yellow Black 4 Output Not used Step sync code D3 MSB Yellow Red 5 Output Not used Not used Bright green Black 6 GND Bright green Red 7 GND Gray Black 8 GND Gray Red 9 Reserved Leave unconnected Leave unconnected White Black 10 GND White Red 11 Input Not used Sequence event branch Light brown Black 12 Input Sweep hold resume Sequence hold resume Light brown Red 13 Input Sweep stop Se...

Page 31: ...ower to prevent electric shocks The other signal grounds are all connected to the housing The housing itself is connected to a protective grounding terminal WARNING To prevent electric shocks do not apply a voltage exceeding 42 Vpk DC AC peak between the ground of the BNC connectors insulated from the housing and the housing Also do not apply a voltage exceeding 42 Vpk DC AC peak between the groun...

Page 32: ...ousing ground Use with potential difference of 42 Vpk or less Use with potential difference of 42 Vpk or less Use with potential difference of 42 Vpk or less 10 MHz REF IN EXT REF CKT CH1 ANALOG CKT CH2 ANALOG CKT FCTN OUT SYNC SUB OUT MOD ADD IN FCTN OUT SYNC SUB OUT MOD ADD IN 1 MΩ 1 MΩ 1 MΩ 10 MHz REF IN EXT REF CKT Use with potential difference of 42 Vpk or less Use with potential difference o...

Page 33: ...cedure Once the power is switched on a self check test is automatically executed and the unit becomes operable Power off procedure Power off state standby state The power is switched on The startup screen is displayed Press the power switch Power on state The power is switched off standby state The display goes off Press the power switch ...

Page 34: ... connected The most general case is illustrated below While the equipment power is off even if the power supply is cut off due to the disconnection of the cord or the shutoff of a connected breaker this has no influence on the restore operation the next time the equipment is powered on again Power supply connected Settings AAA Settings AAA 㹼LINE Power on state Power supply disconnected The power r...

Page 35: ... FG410 01EN The settings before the equipment was powered off last are restored The output on off settings at power on can be set on the Utility screen p 41 Check The previous settings can be restored only if the equipment was powered off using the power switch ...

Page 36: ...ngs BBB 㹼LINE Power on state Power supply reconnected Settings MMM 㹼LINE The power is switched on The settings are set to the contents of setting memory 1 Power supply disconnected 㹼LINE Power supply disconnected 㹼LINE 1 2 1 Power supply reconnected Settings MMM 㹼LINE The power is switched on The settings are set to the contents of setting memory 1 The power is switched off 2 The settings before t...

Page 37: ...ion so notify YOKOGAWA or the dealer Remote status Displayed when the equipment is controlled via the USB or GPIB interface External frequency reference status Displays whether a valid signal is input or not when the external frequency reference is enabled Sequence status channel mode FG420 only The status when the sequence oscillation mode is selected is displayed In the FG420 the mode when the c...

Page 38: ...n indicates that the second page is currently displayed Soft key display area Displays the functions of the soft keys allocated according to the status If five or more soft keys are allocated n m is displayed over the right most soft key This indicates that the set of soft keys belonging to the current setting screen extends of m stages and that the set corresponding to the nth stage is currently ...

Page 39: ...king the image of the output waveform a Display format types There are three types of display formats as follows Text display Text FG410 or Single FG420 Displays the settings of 1 channel in text form Graph display Graph Displays the settings of one channel in both text and graph form allowing the image of the output waveform to be checked 2 channel simultaneous display Dual FG420 only Displays th...

Page 40: ...the arrow keys or the modify knob 3 The Graph tab screen display is switched to by pressing the ENTER key The settings can be done while checking the image of the output waveform on this screen The Text tab screen is displayed The Graph tab is selected Tab selection or The Graph tab screen is displayed ENTER Check In the FG420 display can be switched between 1 channel display and 2 channel simulta...

Page 41: ...ions possible using the top menu items The menu items are displayed at the top left of each setting screen Settings and operations such as those described below can be done with the various menu items Oscillator Almost all settings other than arbitrary waveform editing and sequence oscillation can be set and manipulated When the power is applied the Oscillator setting screen is always displayed Se...

Page 42: ...tate a value can also be input by using the numeric keypad 3 Press the left right arrow keys to move the cursor to the digit of the value to be changed In the example on the left the cursor is moved to the 1 kHz digit 4 Increment or decrement the value of the digit to be changed with the up down arrow keys or the modify knob In the example on the left the value is changed to 2 kHz The change is in...

Page 43: ...value and reflect it to the output The input field closes If the ENTER key is pressed the setting is performed in a unit without the k or m prefix The input field has closed ENTER If the CANCEL key is pressed instead of the ENTER key the value changed with the modify knob is discarded and the status of step 1 pre change setting is returned to 0 9 The frequency is selected The current frequency is ...

Page 44: ...32 4 BASIC OPERATION IM FG410 01EN Check If a setting item is displayed on a soft key the input field for that item can be opened by pressing that soft key ...

Page 45: ...the modify knob In this state the desired item can also be selected by inputting a number from the numeric keypad 4 Press the ENTER key to set the selected item and reflect it to the output The list of choices closes The waveform is selected The current waveform is displayed Item selection or The choice list opens ENTER Ramp is selected Item selection or The setting is changed and the choice list ...

Page 46: ... can be immediately opened with the corresponding basic parameter shortcut key Waveform p 44 Frequency p 44 Amplitude p 48 DC offset p 50 MENU OFFSET FCTN FREQ AMPTD The waveform choice list opens MENU OFFSET FCTN FREQ AMPTD The frequency input field opens MENU OFFSET FCTN FREQ AMPTD The amplitude input field opens MENU OFFSET FCTN FREQ AMPTD The DC offset input field opens ...

Page 47: ...g cannot be returned to this can be done with the UNDO key described next Close an input field or choice list Discard a value input from the numeric keypad Return a changed value to the original value with the modify knob Close the setting window or dialog box UNDO key operation The UNDO key can be used to restore the settings changed by using the ENTER key or the modify knob Changes to settings t...

Page 48: ...e input field 2 Press the Prefix soft key and the cursor will move to before Hz The right arrow key can also be used to move the cursor to before Hz 3 Change the unit to MHz kHz Hz mHz or uHz with the up down arrow keys or the modify knob Even when the display unit and decimal point position are changed the value of the setting itself remains unchanged The input field opens ENTER The cursor moves ...

Page 49: ...changed to Vrms dBV or a user defined unit with the up down arrow keys or the modify knob in the case of sine wave load impedance High Z Even when the display unit is changed the output value remains unchanged Also refer to the following sections Changing the frequency and period settings p 45 Changing the amplitude unit Vp p Vpk Vrms dBm dBV p 48 Changing the pulse width time and duty settings p ...

Page 50: ...pendent The channel that is to be set is called the active channel in this product In the burst oscillation mode etc the MAN TRIG key works for the active channel Even if the screen is changed to a channel independent screen the channel that was active up to that point is saved NEXT MENU FCTN OU CH 1 CH 2 10V Zout 50Ω CH1 CH2 switching key MAN TRIG CH2 active CH2 channel to be set CH1 active CH1 c...

Page 51: ...put is available 5 USING EXTERNAL FREQUENCY REFERENCE in the Application Instruction Manual Power on output setting Power On Output Sets the output on off setting at power on p 41 Phase synchronization φ Sync Performs inter unit synchronization during multiple unit synchronization connection and inter channel synchronization of the FG420 3 3 Phase Synchronization Between Channels and 4 SYNCHRONIZI...

Page 52: ...anual Internal information display Information Displays the firmware version and latest calibration date 8 6 Product Information Display Information in the Application Instruction Manual Channel mode setting Channel Mode FG420 only Sets the type of 2 channel ganged operation Independent 2 phase constant frequency difference constant frequency ratio and differential output can be selected from 3 4 ...

Page 53: ...hod on panel Each time the waveform output on off key is pressed the waveform output is switched on off When the output is on the lamp located to the left of the key lights When the output is off the output terminal is open When the output is on the output impedance is 50 Ω Sync sub output is always on regardless of the on off setting of the waveform output b Setting at power on The waveform outpu...

Page 54: ...en 2 On the Utility screen select the Power On Output field and then press the ENTER key 3 The power on output setting window is displayed so select the desired item and then press the ENTER key The output setting condition choice list is displayed so select the desired item and then press the ENTER key 4 Once the desired power on output setting has been completed select OK in the lower part of th...

Page 55: ...mode 1 Select the Mode field and then press the ENTER key to display the oscillation mode choice list Even if there are several setting screens the Mode field is displayed at the top left of each page 2 Select the desired oscillation mode from the choice list and then press the ENTER key to apply the setting and reflect it to the output The desired oscillation mode can also be set and reflected to...

Page 56: ... Setting the frequency 1 Press the FREQ shortcut key to display the frequency input field or select the Freq field and then press the ENTER key to open the input field Even if there are several setting screens the Freq field is always displayed at the top left of the first page When Period is displayed in the Freq field and the period and not the frequency is displayed either press the FREQ key or...

Page 57: ...play are toggled each time the FREQ key is pressed Once the period input field is opened the setting procedure is the same as for the frequency When a value is input with the numeric keypad the unit key for period setting is displayed as a soft key When period display is changed to the display changes as follows Item name Freq Period Unit display Hz s Soft key Period Freq 4 4 6 Setting the phase a...

Page 58: ...tion is 90 ahead of the rise of the reference phase sync output The oscillation start stop phase for burst oscillation gated single shot sweep can be changed The following example is burst oscillation with the oscillation start stop phase set to 30 At this time the oscillation starts at 30 and stops at the same 30 position Burst oscillation p 105 gated single shot sweep p 89 Waveform output Wavefo...

Page 59: ...ween channels If CH2 phase setting CH1 phase setting is positive the waveform of CH2 is ahead of the waveform of CH1 as shown in the following figure For details on sync oscillation and 2 phase oscillation 3 3 Phase Synchronization Between Channels and 3 4 Maintaining Both Channels to Same Frequency 2 Channel Ganged Operation 2 Phase in the Application Instruction Manual CH1 waveform output CH2 wa...

Page 60: ...pen press the Unit soft key and move the cursor to the unit position on the right end 2 The unit can be changed with the up down arrow keys or the modify knob Units that cannot be used are not displayed Even if the display unit is changed the actual output value remains unchanged c The units that can be used differ according to the waveform Vp p Vpk Vrms dBV dBm and user defined units can be used ...

Page 61: ...or AC amplitude DC offset is limited to 10 V open For example if the AC amplitude is 5 Vp p open the DC offset range is limited to the range from 7 5 V open to 7 5 V open The maximum value varies according to the output voltage range setting and the external addition input setting p 54 p 57 ...

Page 62: ...e changed with the left right arrow keys and increment decrement the value with the up down arrow keys or the modify knob The change is instantly reflected to the output Alternatively enter a numeric value using the numeric keypad Then press the ENTER key or one of the unit keys soft keys to set the input value and reflect it to the output b AC DC limitation The maximum value for AC amplitude DC o...

Page 63: ... opened press the AMPTD shortcut key twice to open the high level input field If the high level input field is open the amplitude DC offset display and high low display are toggled each time the AMPTD key is pressed Changing to high low display by pressing the OFFSET key twice While the DC offset input field is not open press the OFFSET shortcut key twice to open the low level input field If the l...

Page 64: ... in the choice list from the numeric keypad to set these values and reflect them to the output b What are the polarity and amplitude range The polarity can be inverted and the amplitude range can be changed to a single polarity for each waveform Examples for a sine wave are shown below In the case of polarity inversion only the waveform is inverted and the DC offset sign of the output remains unch...

Page 65: ...peak on the positive side using the DC offset position as reference The amplitude is changed using the bottom of the waveform as reference Normally in the case of a unipolar waveform it is convenient to set the amplitude range to 0 FS or FS 0 If the amplitude range is set to FS 0 the amplitude changes using the top of the waveform as reference Gaussian pulse is a waveform that is included in param...

Page 66: ...is selected when Auto is selected from the choice list and when Hold is selected the range is fixed to the range at that time The respective range icons are displayed as Auto and Hold Select the desired range processing and then press the ENTER key b Maximum values of amplitude and DC offset when range is fixed When the range is fixed the maximum values of the amplitude and DC offset and the exter...

Page 67: ...e ENTER key again The load impedance condition choice list opens Select the desired load impedance and then press the ENTER key When Variable is selected the load impedance value can be set 3 Once the load impedance setting has been completed select OK in the lower part of the window and then press the ENTER key to apply the load impedance setting change and close the window To not change the load...

Page 68: ...SIC OPERATION IM FG410 01EN Check The output impedance is constant at 50 Ω The output impedance error and output voltage error are not corrected The output voltage accuracy specification is the load open value ...

Page 69: ...dition setting is done on the Utility screen 1 Press the MENU key to open the top menu window There select Utility and then press the ENTER key to display the Utility screen 2 On the Utility screen select the Ext Add field and then press the ENTER key 3 The external addition setting window opens so select the desired item and then press the ENTER key The external addition condition choice list ope...

Page 70: ...ition is used external modulation cannot be used except FSK PSK When the external addition gain cannot be set to the desired value The external addition gain is determined by the output voltage range To set the external addition gain to 2 set the amplitude and DC offset so that the output voltage range is 4 V To set the external addition gain to 10 set the amplitude and DC offset so that the outpu...

Page 71: ...nit key soft key to set the input value and reflect it to the output If the ENTER key is used the unit is set to b Variable duty range switching method Normally use Off normal range 1 Select the Extend field and then press the ENTER key to open the variable duty range extension on off choice list Even if there are several setting screens the Extend field is always displayed on the first page 2 Sel...

Page 72: ...g range At 15 MHz the duty is fixed to 50 Extended Setting range 0 0000 to 100 0000 independent of the frequency Jitter of 2 5 ns rms or less typ duty can always be changed from 0 to 100 If the high level or low level pulse width is less than 8 4 ns the pulse may at times vanish However on average the duty is equivalent to the set duty When 0 is set the waveform is fixed on the low level side and ...

Page 73: ...If the ENTER key is used the unit is set to s b Pulse width duty setting method 1 Select the Duty field and then press the ENTER key to open the pulse width duty input field Even if there are several setting screens the Duty field is always displayed on the first page If Width is displayed in the Duty field and the pulse width time and not the pulse width duty is displayed press the Duty soft key ...

Page 74: ...the ENTER key to open the leading edge time input field To set the trailing edge time select the TE field and then press the ENTER key to open the trailing edge time input field Even if there are several setting screens the LE and TE fields are displayed on each page 2 Select the digit to be changed with the left right arrow keys and increment decrement the value with the up down arrow keys or the...

Page 75: ...cy or cycle are limited as follows For example the leading edge time and trailing edge time at 1 kHz are limited to 100 ns or more Pulse width leading edge time and trailing edge time limitations The ranges of the pulse width time leading edge time trailing edge time and frequency or cycle are limited as follows If the pulse width is set with duty the value converted to time is used as the pulse w...

Page 76: ...pad Then press the ENTER key or the unit key soft key to set the input value and reflect it to the output If the ENTER key is used the unit is set to b Relationship between symmetry and waveform One waveform cycle changes as follows according to the symmetry setting A symmetry is expressed by the amount of the ratios of the first and second rises Except in the case of 0 symmetry the phase zero pos...

Page 77: ...eft part of the parameter variable waveform selection screen Due to the large number of parameter variable waveforms they are categorized into a number of different groups First select the desired group in the Group field Next in the Waveform field set the desired waveform from the various waveforms listed within the selected group Set the polarity and amplitude range of the waveform with the pola...

Page 78: ...n Instruction Manual 3 To apply the changes and quit the selection screen press the OK soft key To discard the changes and quit the selection screen press the Cancel soft key The changes can also be applied and the selection screen exited by pressing a basic parameter shortcut key Check The waveform may disappear according to the parameter settings If you do not know how to restore the waveform di...

Page 79: ...e editing memory and the waveforms No 1 to No 128 saved in non volatile memory The outline of the selected waveform can be checked with the graph display The Type field shows the arbitrary waveform data format and the Size field shows the memory size used for saving data The changes are not reflected to the output waveform until applied by pressing the OK soft key the operation differs from that f...

Page 80: ...ess the OK soft key To discard the changes and quit the selection screen press the Cancel soft key The changes can also be discarded and the selection screen exited by pressing a basic parameter shortcut key the operation differs from that in the parameter variable waveform selection screen ...

Page 81: ...n p 75 FSK Frequency Shift Keying This is binary frequency shift modulation p 76 PM Phase Modulation p 77 PSK Phase Shift Keying This is binary phase shift modulation p 78 AM Amplitude Modulation p 79 AM DSB SC Amplitude Modulation Double Side Band Suppressed Carrier This is AM that does not include the carrier frequency component p 80 DC offset modulation p 81 PWM Pulse Width Modulation p 82 ...

Page 82: ...ey b 1st page of setting screen Screen for setting the carrier signal This is the modulation carrier signal setting screen which is common to all the oscillation modes c 2nd page of setting screen Screen for setting the modulation The figure shows an example of selecting FM as the modulation type Modulation type Type This is the type of modulation FM FSK PM PSK AM AM DSB SC DC offset modulation an...

Page 83: ...al modulation source waveform Sine square triangular rising ramp falling ramp noise and arbitrary can be chosen from p 72 Internal modulation frequency ModFreq This is the frequency of the internal modulation source p 72 Sync output SyncOut This is the output signal from the sync sub output terminal Waveform basic phase sync internal modulation sync and internal modulation waveform can be chosen f...

Page 84: ...C offset modulation OFSM p 81 PWM PWM p 82 c To set the carrier condition Set the various parameters of the carrier signal on the 1st page of the setting screen d To set the modulation width The modulation width setting is done on the 2nd page of the setting screen The item name that is displayed is either Deviation Depth or HopFreq depending on the modulation type For details refer to the descrip...

Page 85: ...according to the modulation type When the modulation type is FM PM AM AM SC OSFM or PWM Input the modulation signal to the external modulation addition input terminal The modulation width setting is the value when the signal level is 1 V If the input level is lower than 1 V keep it mind that the modulation width may become below the specified modulation width When the external modulation addition ...

Page 86: ...e phase of the waveform is output from the sync sub output terminal When ModSync is selected A TTL level signal synchronized with the internal modulation waveform is output from the sync sub output terminal This is a 50 duty square wave that rises at the zero phase position of the internal modulation waveform If the internal modulation waveform is noise it is fixed to low level When the signal bei...

Page 87: ...FM is not possible for noise pulse wave and DC d Setting items required for FM Set Freq carrier frequency on the 1st page of the setting screen Set Deviation peak frequency deviation on the 2nd page of the setting screen The output frequency varies according to the range of carrier frequency peak frequency deviation If Source modulation source is set to Int internal set ModFctn modulation waveform...

Page 88: ...ems required for FSK Set Freq carrier frequency on the 1st page of the setting screen Set HopFreq hop frequency on the 2nd page of the setting screen The output frequency alternates between the carrier frequency and the hop frequency If Source modulation source is Int internal set ModFreq modulation frequency If Source modulation source is Ext external set the trigger polarity and input the modula...

Page 89: ...ulation type on the 2nd page of the setting screen to PM PM c Waveforms for which FM is not possible PM is not possible for noise and DC d Setting items required for PM Set Deviation peak phase deviation on the 2nd page of the setting screen The output phase changes in the range of peak phase deviation If Source modulation source is set to Int internal set ModFctn modulation waveform and ModFreq m...

Page 90: ...e setting screen The phase deviation zero state and the specified phase deviation state alternate for the output Note that the phase does not vary in the phase deviation range If Source modulation source is set to Int internal set ModFreq modulation frequency If Source modulation source is Ext external set the trigger polarity and input the modulation signal TTL level to the external trigger input...

Page 91: ...age of the setting screen The output amplitude varies in the range of carrier amplitude setting value Vp p 2 1 modulation depth 100 When the modulation depth is 0 or the modulation is stopped the output amplitude is 1 2 of that during continuous oscillation When the modulation depth is 100 the maximum output amplitude envelope value is equal to the carrier amplitude setting value If Source modulat...

Page 92: ...orms for which AM DSB SC is not possible AM DSB SC is not possible for DC d Setting items required for AM DSB SC Set Amptd carrier amplitude on the 1st page of the setting screen Set Depth modulation depth on the 2nd page of the setting screen The output amplitude varies in the range of carrier amplitude setting value Vp p modulation depth 100 When the modulation depth is 100 the maximum output am...

Page 93: ...ble None DC offset modulation is possible for all waveforms d Setting items required for DC offset modulation Set Offset carrier DC offset on the 1st page of the setting screen Set Deviation peak DC offset deviation on the 2nd page of the setting screen The output DC offset varies in the range of carrier DC offset setting peak DC offset deviation If Source modulation source is set to Int internal ...

Page 94: ... not possible for other waveforms d Setting items required for PWM Set Duty carrier duty on the 1st page of the setting screen Set Deviation peak duty deviation on the 2nd page of the setting screen The output duty varies in the range of carrier duty peak duty deviation When the pulse wave is used the pulse width of the carrier is fixed to the duty setting and cannot be set with time If Source mod...

Page 95: ...ress the MENU key to display the top menu then select Oscillator and press the ENTER key a Setting the oscillation mode to sweep Set Mode oscillation mode to Sweep on the Oscillator setting screen The oscillation mode is switched to sweep as a result In the sweep oscillation mode the setting screen consists of three pages which can be switched with the NEXT key b 1st page of setting screen Screen ...

Page 96: ...ion mode Continuous sweep single shot sweep and gated single shot sweep can be chosen from p 87 Trigger Trig This is the trigger condition for single shot sweep and gated single shot sweep Internal and external can be chosen as the trigger source p 90 Sweep function SwpFctn This is the sweep form One way and shuttle can be chosen from Linear and log are also possible if the sweep type is frequency...

Page 97: ...trol with the multi I O connector p 94 Oscillation stop unit for gated single shot sweep OscStop This is the oscillation stop unit for gated single shot sweep The unit can be selected from 1 cycle and 1 2 cycle Normally the unit is set to 1 cycle p 89 Sync output SyncOut This is the output signal from the sync sub output terminal Waveform reference phase sync sweep sync sweep marker and sweep X dr...

Page 98: ... type d To set the sweep range with center and span When the start value or stop value input field is open on the 2nd page of the setting screen and the current value is displayed the Center or Span soft key is displayed When this key is pressed the center value or span value input field opens and the item displays change from Start and Stop to Center and Span respectively The Center or Span soft ...

Page 99: ...one from the start value to the stop value If start value stop value the value increases during sweep execution Reversely if start value stop value the value decreases during sweep execution When the Stt Stp soft key included in the second stage of the soft key set on the 2nd page of the setting screen 2 2 is displayed on the right most soft key is pressed the start value and stop value can be swa...

Page 100: ...ocedure p 90 The transition time from the start value to the stop value is set with Time sweep time on the 2nd page In the case of single shot sweep one sweep is executed upon reception of a trigger The change sequence differs depending on whether the sweep function is one way or shuttle as shown in the following figure In the case of one way sweep the start value is immediately returned to upon s...

Page 101: ... level while the oscillation is stopped separately from the phase set StpLvl stop level on the 3rd page of the setting screen to On on and set the level with a value using the amplitude full scale as reference Normally Off off is set When Off is selected the signal level while oscillation is stopped is determined by the phase set in Phase on the 1st page of the setting screen For details on the st...

Page 102: ... the trigger polarity can be set If the trigger source is set to Ext external a TTL level trigger signal is input to the external trigger input terminal TRIG IN Sweeping can be started and stopped independently of the trigger source setting through input of a logic signal to the multi I O connector p 94 Usage of manual trigger and remote trigger Manual trigger manipulation and remote trigger manip...

Page 103: ...een changed to a suitable setting trigger reception becomes possible The Start soft key and the manual trigger key on the panel operate like manual trigger regardless of the trigger source setting m To stop sweep Stop soft key When the Stop soft key is pressed during sweep execution the sweep operation stops and the sweep start value output state and not the stop value output state is entered When...

Page 104: ...t terminal This signal changes from high to low at sweep start When the signal being swept is observed with an oscilloscope it can be used as the trigger signal for the oscilloscope When SwpSync Mkr is selected The leading edge of the sweep sync output is used as the marker signal During the interval from the sweep start value to the marker value the sweep sync output is low The sweep sync output ...

Page 105: ... Stop value Shuttle Low from start value to marker value Low from start value to marker value Low from start value to marker value 0 V Sweep time 3 V Sweep time Sweep time Low from start value to stop value Low during the 1st half of interval from start value to stop value Sweep value Sweep sync signal SwpSync marker disabled Sweep sync signal SwpSync Mkr marker enabled Sweep X drive signal X Driv...

Page 106: ...For the pin number allocation p 18 The following manipulations can be done Sweep start If sweep operation is currently stopped the sweep operation starts from the beginning upon input of a falling edge During sweep execution the sweep operation is resumed from the beginning upon input of a falling edge During single shot sweep and gated single shot sweep the sweep operation starts from the beginni...

Page 107: ...of the setting screen The frequency settings on the 1st page of the setting screen are disabled Start frequency Start The frequency range depends on the waveform Stop frequency Stop The frequency range depends on the waveform Sweep time Time This is the transition time from the start frequency to the stop frequency p 87 Sweep mode SwpMode Continuous single shot and gated single shot can be chosen ...

Page 108: ...etting screen p 89 This setting can be used only for gated single shot sweep External control with multi I O connector ExtCtrl 3rd page of setting screen p 94 Oscillation stop unit for gated single shot sweep OscStop 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep Sync output SyncOut 3rd page of setting screen p 92 ...

Page 109: ... the 2nd page of the setting screen to Phase phase c Waveforms for which phase sweep is not possible Phase sweep is not possible for noise and DC d Setting items required for phase sweep Set the following items on the 2nd page of the setting screen The phase settings on the 1st page of the setting screen are disabled Start phase Start Stop phase Stop Sweep time Time This is the transition time fro...

Page 110: ...ion must be set p 90 Set the following items as needed Marker phase Marker 2nd page of setting screen p 92 Stop level StpLvl 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep External control with multi I O connector ExtCtrl 3rd page of setting screen p 94 Oscillation stop unit for gated single shot sweep OscStop 3rd page of setting screen p 89 This setting ...

Page 111: ... Set the following items on the 2nd page of the setting screen The amplitude settings on the 1st page of the setting screen are disabled Start amplitude Start Stop amplitude Stop Sweep time Time This is the transition time from the start amplitude to the stop amplitude p 87 Sweep mode SwpMode Continuous single shot and gated single shot can be chosen from p 87 Sweep function SwpFctn One way shuttl...

Page 112: ...f setting screen p 89 This setting can be used only for gated single shot sweep External control with multi I O connector ExtCtrl 3rd page of setting screen p 94 Oscillation stop unit for gated single sweep OscStop 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep Sync output SyncOut 3rd page of setting screen p 92 ...

Page 113: ...as the waveform gated single shot sweep cannot be done d Setting items required for DC offset sweep Set the following items on the 2nd page of the setting screen The DC offset settings on the 1st page of the setting screen are invalid Start DC offset Start Stop DC offset Stop Sweep time Time This is the transition time from start DC offset to stop DC offset p 87 Sweep mode SwpMode Continuous singl...

Page 114: ...f setting screen p 89 This setting can be used only for gated single shot sweep External control with multi I O connector ExtCtrl 3rd page of setting screen p 94 Oscillation stop unit for gated single sweep OscStop 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep Sync output SyncOut 3rd page of setting screen p 92 ...

Page 115: ...on the 1st page of the setting screen are disabled Start duty Start The duty range depends on the frequency In the case of a pulse wave it also depends on the leading edge time and the trailing edge time pp 60 63 Stop duty Stop The duty range depends on the frequency In the case of a pulse wave it also depends on the leading edge time and the trailing edge time pp 60 63 Sweep time Time This is the...

Page 116: ...ng screen p 92 Stop level StpLvl 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep External control with multi I O connector ExtCtrl 3rd page of setting screen p 94 Oscillation stop unit for gated single shot sweep OscStop 3rd page of setting screen p 89 This setting can be used only for gated single shot sweep Sync output SyncOut 3rd page of setting screen ...

Page 117: ...matically repeated with the respectively specified wave number No trigger signal is required p 106 Trigger burst Oscillation with the specified wave number is done each time a trigger is received p 109 Gate oscillation Oscillation is done in integer cycles or half cycles while the gate is on p 113 Triggered gate oscillation This is gate oscillation that switches the gate on off each time a trigger...

Page 118: ...3 space wave number oscillation stop wave number 2 oscillation start stop phase 30 stop level off b Setting the oscillation mode to auto burst Set Mode oscillation mode to Burst on the Oscillator setting screen The oscilla tion mode is switched to the burst oscillation mode as a result In the burst oscillation mode the setting screen consists of two pages which can be toggled with the NEXT key Nex...

Page 119: ...p 108 Sync output SyncOut This is the output signal from the sync sub output terminal Waveform reference phase synchronization and burst synchronization can be chosen from p 108 d Waveforms for which auto burst is not possible Auto burst is not possible for noise and DC e Setting items required for auto burst Set Phase oscillation start stop phase on the 1st page of the setting screen Set Mark mar...

Page 120: ...rst sync signal with SyncOut sync output on the 2nd page of the setting screen One of the following two settings can be selected Signal synchronized with the reference phase of the waveform Sync Signal synchronized with burst oscillation BrstSync When Sync is selected A TTL level signal that rises at the reference phase of the waveform is output from the sync sub output terminal When BrstSync is s...

Page 121: ...cillation start stop phase 30 stop level off b Setting the oscillation mode to trigger burst Set Mode oscillation mode to Burst on the Oscillator setting screen The oscilla tion mode is switched to the burst oscilla tion mode as a result In the burst oscillation mode the setting screen consists of two pages which can be toggled with the NEXT key Next set BrstMode burst mode on the 2nd page of the ...

Page 122: ...y This is the trigger delay time Upon receipt of a trigger oscillation starts following the lapse of the specified time p 111 Sync out SyncOut This is the output signal from the sync sub output terminal Waveform reference phase synchronization and burst synchronization can be chosen from p 111 d Waveforms for which trigger burst is not possible Trigger burst is not possible for noise and DC e Sett...

Page 123: ...s active p 38 To use only manual trigger manipulation and remote trigger manipulation as the trigger set the trigger source to Ext external Also to prevent malfunction due to external noise at this time it is recommended to set the polarity to Off Trigger delay setting Set the trigger delay time with TrigDly trigger delay on the 2nd page of the setting screen Upon receipt of a trigger oscillation ...

Page 124: ...rtion of the amplitude full scale Set StpLvl stop level on the 2nd page of the setting screen to On on and set the level with a value The following examples are for mark wave number 3 oscillation start stop phase 30 stop level off and 50 when on Note that the oscillation start stop phase remains valid When the stop level is applied to a square waveform a 3 value square waveform can be output as sh...

Page 125: ... level off After the gate signal becomes off oscillation stops once the oscillation start stop phase is reached b Setting the oscillation mode to gate oscillation Set Mode oscillation mode to Burst burst on the Oscillator setting screen The oscillation mode is switched to the burst oscillation mode as a result In the burst oscillation mode the setting screen consists of two pages which can be togg...

Page 126: ... is the output signal from the sync sub output terminal Waveform reference phase synchronization and burst synchronization can be chosen from p 115 d Waveforms for which auto burst is not possible Gate oscillation is not possible for DC Gate oscillation can be done for noise but the operation differs from that of other waveforms p 117 e Setting items required for gate oscillation On the 1st page o...

Page 127: ...n are always valid regardless of the trigger source setting The MAN TRIG key can be used for manual trigger manipulation The gate signal is on while the MAN TRIG key is pressed However in the case of the FG420 the MAN TRIG key works for the channel whose display is active For details on the channel whose display is active p 38 To use only manual trigger manipulation and remote trigger manipulation...

Page 128: ...scillation stop unit under the following conditions oscillation start stop phase 30 stop level off In the case of 1 cycle units following gate off oscillation stops once the oscillation start stop phase is reached In the case of the half cycle unit following gate off the oscillation stops once the oscillation start stop phase or oscillation start stop phase 180 or 180 is reached and then the oscil...

Page 129: ...ation period and the gate off period is the oscillation stop period Further since noise has no phase the stop level setting is always enabled The next figure is an example of noise gate oscillation when the stop level is 0 Gate signal Burst sync signal Signal output Gate on Gate on Gate off Oscillation Stop Oscillation Stop level 0 ...

Page 130: ...ff After the gate signal becomes off oscillation stops once the oscillation start stop phase is reached b Setting the oscillation mode to triggered gate oscillation Set Mode oscillation mode to Burst on the oscillator setting screen The oscilla tion mode is switched to the burst oscilla tion mode as a result In the burst oscilla tion mode the setting screen consists of two pages which can be toggl...

Page 131: ... SyncOut This is the output signal from the sync sub output terminal Waveform reference phase synchronization and burst synchronization can be chosen from p 120 d Waveforms for which triggered gate oscillation is not possible Gate oscillation is not possible for DC Gate oscillation can be done for noise but the operation differs from that of other waveforms p 121 e Setting items required for trigg...

Page 132: ...lay is active For details on the channel whose display is active p 38 To use only manual trigger manipulation and remote trigger manipulation as the trigger set the trigger source to Ext external Also to prevent malfunction due to external noise at this time it is recommended to set the polarity to Off g To start triggered gate oscillation Trigger Oscillation is executed upon reception of a trigge...

Page 133: ...cillation is stopped is normally set with the oscillation start stop phase but it can also be set independently from that with a proportion of the amplitude full scale Set StpLvl stop level on the 2nd page of the setting screen to On on and set the level with a value p 112 k Noise triggered gate oscillation Noise having no cycle the gate on period is the oscillation period and the gate off period ...

Page 134: ...utline of the setting saved to the setting memory of the specified number is displayed in the right part of the screen 4 Select the number of the setting memory to which the setting is to be saved and then press the ENTER key to close the setting memory number input field 5 Press the Store soft key to open the dialog box in which the saving operation can be checked To save the setting select OK an...

Page 135: ...delete the character at the cursor position The character string to the right of the cursor moves one place left Press the Insert soft key to insert a space at the cursor position Press the CLR soft key to delete the character string to the right of the cursor position cursor position not included Press the Clear soft key to delete all the characters The name may consist of up to 20 characters 3 P...

Page 136: ...ft part of the screen An outline of the setting saved to the setting memory of the specified number is displayed in the right part of the screen 4 Select the number of the setting memory to be recalled and then press the ENTER key to close the setting memory number input field 5 Press the Recall soft key to open the dialog box for checking the recall operation To execute recall select OK and then ...

Page 137: ... to the saving operation after setting the setting memory number press the Rename soft key to open the setting memory name input field 2 The name input method is the same as in the case of the Store Memory screen p 123 Press the Rename soft key to open the setting memory name input field ...

Page 138: ...n mode Continuous oscillation Waveform Sine Polarity and amplitude range Normal FS Frequency 1 kHz Amplitude 0 1 Vp p DC offset 0 V Range Auto Load impedance Open Phase 0 Output Off Sync sub output Reference phase synchronization Waveform Square wave duty Normal range 50 Pulse wave duty 50 Pulse wave leading edge time trailing edge time 1 μs Ramp wave symmetry 50 Parameter variable waveform Steady...

Page 139: ...trol input Disabled Oscillation stop unit during gated single shot 1 cycle Sync sub output Sweep synchronization marker on Burst Burst mode Trigger burst Mark wave number 1 cycle Space wave number 1 cycle Trigger source Internal 10 ms External trigger input polarity Negative Trigger delay 0 s Stop level Off 0 Oscillation stop unit during gate 1 cycle Sync sub output Burst synchronization 2 channel...

Page 140: ...dark color Modify direction Downward through clockwise rotation Operation sound On Remote settings Interface USB GPIB address 2 The following settings are initialized every time the power is switched on Sequence Start step 1 Trigger polarity Off External control input Disabled External control start state branch Start Sync sub output Step synchronization Step time 1 s Auto hold Off Jump destinatio...

Page 141: ...7 2 Waveforms 7 2 1 Standard waveforms Types Sine square pulse ramp parameter variable waveform noise Gaussian distribution DC Polarity Normal inverted selectable excluding DC Amplitude range FS 0 FS 0 FS selectable excluding DC 7 2 2 Arbitrary waveforms Waveform length 4 K to 512 K words 2n n 12 to 19 or 2 to 10 000 control points linear interpolation between control points Total waveform saving ...

Page 142: ...Hz sine amplitude setting of 20 mVp p open or higher Setting units Vp p Vpk Vrms dBV dBm Range Auto hold selectable Maximum output voltage range 20 Vp p 4 Vp p Amplitude attenuator range 0 dB 10 dB 20 dB 30 dB Waveform amplitude resolution Approx 14 bits Condition Amplitude setting of 36 mVp p open or higher 7 4 2 DC offset Setting range 10 V open 5 V 50 Ω Setting resolution 499 9 mV or lower 4 di...

Page 143: ...tion sync burst sync sweep sync sequence step sync internal modulation signal sweep X drive selectable Reference phase sync output Square waveform with 50 duty that rises at zero waveform phase position of reference phase DDS oscillation phase of waveform output Output voltage Sync signals TTL level low level 0 4 V open or lower high level 2 7 V open or higher Internal modulation signal 3 V to 3 V...

Page 144: ...In the case of a pulse width of 8 4 ns or less loss may occur on average it is equal to the set duty Setting range Normal range 0 0100 to 99 9900 0 0001 resolution Upper limit 100 frequency Hz 300 000 Lower limit frequency Hz 300 000 Extended range 0 0000 to 100 0000 0 0001 resolution Duty accuracy 1 100 kHz or lower 0 1 of period duty setting 1 to 99 100 kHz to 1 MHz 1 of period duty setting 5 to...

Page 145: ...Variable Parameters Unbalanced sine Waveform for which the amplitudes of the first half cycle and second half cycle of a sine wave can be changed independently First half amplitude 100 00 to 100 00 Second half amplitude 100 00 to 100 00 Clipped sine Waveform obtained by clipping the top and bottom of the amplitude of a sine wave Clip rate 0 00 to 99 99 CF controlled sine Waveform obtained by extra...

Page 146: ...g 0 to 3 On state time 0 00 to 20 00 of basic period Off state time 0 00 to 20 00 of basic period Waveform Name Waveform Example Description and Variable Parameters Gaussian pulse Gaussian distribution waveform Standard deviation 0 01 to 100 00 of basic period Lorentz pulse Lorentz waveform Half value of width 0 01 to 100 00 of basic period Haversine Sin2 pulse Width 0 01 to 100 00 of basic period...

Page 147: ... Oscillation surge Surge waveform with damped oscillation Oscillation frequency 0 01 to 50 00 times basic frequency Damping time constant 0 01 to 100 00 of basic period Trailing time constant 0 01 to 100 00 of basic period Pulse surge Pulsed surge waveform Rising time 0 01 to 100 00 of basic period Duration time 0 01 to 100 00 of basic period Remark The rising time represents the time from the 10 ...

Page 148: ...nc sub output connector Internal modulation signal output Output voltage 3 V to 3 V open Output connector Shared with sync sub output connector External modulation input other than FSK PSK Input voltage range 1 V full scale Maximum allowed input 2 V Input impedance 10 kΩ unbalanced Input frequency DC to 25 kHz Input connector Front panel FG410 rear panel FG420 BNC receptacle Shared with external a...

Page 149: ...se and DC and arbitrary waveform Deviation setting range 1800 00 to 1800 000 0 001 resolution Remark The sine wave amplitude frequency characteristics during PSK are limited to 25 MHz 3 dB AM non DSB SC Carrier waveform Standard waveform other than DC and arbitrary waveform Modulation depth setting range 0 0 to 100 0 0 1 resolution Remark When the modulation depth is 0 the amplitude is 1 2 of the ...

Page 150: ...scillator for sweep used for single shot sweep and gated single shot sweep Period setting range 100 0 μs to 10 000 s 5 digits or 0 1 μs resolution Stop level setting used for gated single shot sweep Function Specification of signal level while oscillation is stopped during gated single shot sweep Setting range 100 00 to 100 00 of amplitude full scale 0 01 resolution or off Oscillation stop unit du...

Page 151: ...rd waveform and arbitrary waveform Start stop DC offset setting range 10 V to 10 V open Duty sweep Waveform Square wave pulse wave Start stop duty setting range Square wave Normal variable duty range 0 0100 to 99 9900 0 0001 resolution Extended variable duty range 0 0000 to 100 0000 0 0001 resolution Pulse wave 0 0170 to 99 9830 0 0001 resolution 7 8 Burst Oscillation Mode Burst mode Auto burst Re...

Page 152: ... μs to 100 00 s 5 digits or 0 01 μs resolution Latent delay of 0 55 μs Only valid for trigger burst not valid for gate triggered gate Valid for both internal and external trigger sources Not valid for manual trigger Trigger jitter 1 ns rms or less typ Burst sync output Polarity Low level during oscillation High level at all other times Output connector Shared with sync sub output connector 7 9 Tri...

Page 153: ...ti I O connector at step end Upon branch input detection branching to specified destination step Event branch Immediate branching to specified destination step through event branch manipulation or input Control of step termination Sequence end or transition to next step Step sync code output Output of 4 bit code specified for each step to multi I O connector LSB outputtable to sync sub output conn...

Page 154: ...C receptacle External addition input Addition gain 2 10 off selectable During 2 the maximum output voltage range is fixed to 4 Vp p and during 10 20 Vp p Off during sequence oscillation Input voltage 1 V to 1 V Maximum allowed input 2 V Input frequency DC to 10 MHz 3 dB Input impedance 10 kΩ unbalanced Input connector Front panel FG410 rear panel FG420 BNC receptacle Shared with external modulatio...

Page 155: ...less typ Condition Same waveform sine or square Channel Mode Operation Independent Independent setting 2 phase Holds same frequency During frequency sweep internal frequency modulation and internal FSK the same frequency is controlled to be held External frequency modulation and external FSK are not possible Phase independently set for each channel Constant frequency difference Holds the frequency...

Page 156: ...hase same wave form sine or square length of connection cable between frequency reference output and external frequency reference input 1 m RG 58A U 7 14 User Defined Units Function Setting and display in arbitrary unit according to the specified conversion expression Setting target Frequency Hz period s amplitude Vp p Vpk DC offset V phase deg duty Conversion expression Setting target value n m o...

Page 157: ...ousing Each of the signal grounds of CH1 CH2 and 10MHz REF IN are independent The withstand voltage between insulated signal grounds and between housings is 42 Vpk max DC AC peak The other signal grounds are connected to the housing Power supply Power supply voltage range 100 V AC to 230 V AC 10 250 V or lower Power supply frequency range 50 Hz 60 Hz 2 Hz Power consumption FG410 50 VA or less FG42...

Page 158: ... weight of main unit only Safety and EMC Applied only to models with the CE marking displayed on the rear panel Safety EN61010 1 2010 EMC EN61326 1 2006 Class A EN61000 3 2 2006 EN61000 3 3 2008 This product is a Class A for industrial environments product Operation of this product in a residential area may cause radio interference in which case the user is required to correct the interference ...

Page 159: ...7 17 General Characteristics 147 IM FG410 01EN External dimensions FG410 Unit mm Rear view ...

Page 160: ...148 7 SPECIFICATIONS IM FG410 01EN External dimensions FG420 Unit mm Rear view ...

Page 161: ...RACK MOUNTING DIMENSIONS 149 IM FG410 01EN Inch rack mounting dimensions for 1 unit Unit mm RACK MOUNTING DIMENSIONS ...

Page 162: ...150 RACK MOUNTING DIMENSIONS IM FG410 01EN Inch rack mounting dimensions for 2 units Unit mm Connecting bracket length Connecting bracket dimensions bottom side of housing Connecting bracket length ...

Page 163: ...RACK MOUNTING DIMENSIONS 151 IM FG410 01EN Millimeter rack mounting dimensions for 1 unit Unit mm ...

Page 164: ...52 RACK MOUNTING DIMENSIONS IM FG410 01EN Millimeter rack mounting dimensions for 2 units Unit mm Connecting bracket dimensions bottom side of housing Connecting bracket length Connecting bracket length ...

Page 165: ...35 CH1 CH2 key 38 Conflict 73 91 108 D dBm 48 dBV 48 DC offset setting 50 display format switching 28 E ENTER key 35 external dimensions FG410 147 external dimensions FG420 148 external frequency reference 25 39 F FCTN key 44 FCTN OUT 12 features 1 floating ground connection 19 FREQ key 44 frequency setting 44 G gate oscillation 113 manual trigger 115 noise gate oscillation 117 oscillation in half...

Page 166: ...on 73 stop modulation 73 type 72 MULTI I O 16 N NEXT key 26 normal waveform polarity 52 numeric input 31 numeric keypad 31 O OFFSET key 50 operating principles 2 options 5 oscillation mode setting 43 OUT key 41 output on off 41 overheating 25 P panel front panel of FG410 8 front panel of FG420 10 rear panel of FG410 9 rear panel of FG420 11 panel and case cleaning 6 parameter variable waveforms us...

Page 167: ...se sweep 91 phase sweep setting 97 rising falling direction 87 sawtooth wave sweep 86 screen for sweep setting and manipulation 83 shuttle sweep 87 single shot sweep 88 start sweep 91 start sweep in synchronization with a trigger 88 start value output 91 start stop phase 89 stop level 89 stop sweep 91 stop value output 92 substitute center value to marker value 94 substitute marker value to center...

Page 168: ...rated 25 UNDO key 35 unit changing 36 unit of amplitude changing 48 user defined unit 37 Utility screen function 39 V Vpk 48 53 Vp p 48 53 Vrms 48 W waste disposal IV waveform amplitude range 52 waveform polarity 52 waveform polarity and amplitude range setting 52 waveform setting 44 ...

Page 169: ...157 IM FG410 01EN ...

Page 170: ...tion provided in this manual is intended to be accurate and reliable However we assume no responsibility for any damage regarding the contents of this manual We assume no responsibility for influences resulting from the operations in this manual If there are any misplaced or missing pages we will replace the manual Contact the sales representative ...

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