YOKOGAWA FG420 User Manual Download Page 87

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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.79 .

• FSK: Frequency Shift Keying

This is binary frequency shift modulation.



p.80 .

• PM: Phase Modulation



p.81 .

• PSK: Phase Shift Keying

This is binary phase shift modulation.



p.82 .

• AM: Amplitude Modulation



p.83 .

• AM(DSB-SC): Amplitude Modulation (Double Side Band

Suppressed Carrier)

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



p.84 .

• DC offset modulation



p.85 .

• PWM: Pulse Width Modulation



p.86 .

4.7 Modulation Setting and Manipulation

Summary of Contents for FG420

Page 1: ...User s Manual FG410 FG420 Arbitrary Function Generator User s Manual Basic IM FG410 01EN 6th Edition nbn Austria GmbH...

Page 2: ...w us to serve you best by completing the user registration form accessible from our website https tmi yokogawa com support Contact Us If you want to resolve a technical support issue or need to contac...

Page 3: ...specifications of the FG410 FG420 To ensure correct use please read this manual thoroughly before beginning operation Keep this manual in a safe place for quick reference in the event that a question...

Page 4: ...e control 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 fea...

Page 5: ...Describes how to configure a multi phase oscillator by connecting multiple units of this product 5 USING EXTERNAL FREQUENCY REFERENCE Describes how to use external frequency reference 6 USING SEQUENC...

Page 6: ...ck To prevent electric shock be sure to safely implement grounding such that ground resistance is 100 W or lower The FG410 FG420 is automatically grounded when the 3 prong power plug is connected to a...

Page 7: ...limentation lectrique indiqu e la section 2 3 Raccord la terre et branchement d alimentation lectrique du mode d emploi de base Avant le branchement sur l alimentation lectrique v rifiez que la tensio...

Page 8: ...mettant d viter les accidents ou la mort lors de l utilisation de ce produit CAUTION Caution Symbol This symbol indicates information for preventing damage to the product when handling it ATTENTION Sy...

Page 9: ...e When disposing of products in the EEA or UK contact your local Yokogawa office in the EEA or UK respectively EEA European Economic Area Authorized Representative in the EEA Yokogawa Europe B V is th...

Page 10: ...VIII IM FG410 01EN...

Page 11: ...nel of FG420 13 3 2 I O Terminals 14 3 2 1 Waveform output FCTN OUT 15 3 2 2 Sync sub output SYNC SUB OUT 15 3 2 3 External modulation addition input MOD ADD IN 16 3 2 4 External trigger input TRIG IN...

Page 12: ...4 4 6 Setting the phase 49 4 4 7 Setting the amplitude 52 4 4 8 Setting DC offset 54 4 4 9 Setting the output level with high level low level 55 4 4 10 Setting the waveform polarity and amplitude ran...

Page 13: ...iggered gate oscillation 122 5 SAVING AND RECALLING SETTINGS 126 5 1 Saving Settings 126 5 2 Recalling Settings 128 6 LIST OF INITIAL SETTINGS 130 7 SPECIFICATIONS 133 7 1 Oscillation Modes 133 7 2 Wa...

Page 14: ...rack mounting dimensions for 1 unit 153 Inch rack mounting dimensions for 2 units 154 Millimeter rack mounting dimensions for 1 unit 155 Millimeter rack mounting dimensions for 2 units 156 8 RECOMMEN...

Page 15: ...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...

Page 16: ...eforms generated by the DDS are controlled to the specified polarity normal inversed in the amplitude range FS 0 FS 0 FS and following digital amplitude adjustment the signal is input into the digital...

Page 17: ...the analog block comprises two channels each individually isolated from the housing potential System controller block This block performs control of the analog block including the display panel key p...

Page 18: ...packing box The suffix code of the power cord is not indicated on the instrument MODEL Suffix Description FG410 Arbitrary Function Generator 1 Channel 30 MHz FG420 Arbitrary Function Generator 2 Chann...

Page 19: ...Suffix Part No Specifications and Notes D A1006WD UL CSA and PSE standard F A1009WD VDE standard Q A1054WD BS standard R A1024WD AS standard H A1064WD GB standard N A1088WD NBR standard T A1100WD Taiw...

Page 20: ...cable This cable is used when using the multi I O connector on the rear panel A 2 meter multi core shielded cable is connected to the mini Dsub 15 pin connector Since the opposite side is cut off proc...

Page 21: ...This product may become corroded or fail Location near an electromagnetic field source high voltage device or power line This product may malfunction Location exposed to excessive vibration This prod...

Page 22: ...une r sistance de terre inf rieure ou gale 100 When a 3 prong power plug that includes a protective ground contact is connected to a 3 prong power supply outlet this product is grounded automatically...

Page 23: ...ype of power cord Check that the voltage supplied to the instrument is less than or equal to the maximum rated voltage of the power cord that you will be using before use 2 4 Calibration This equipmen...

Page 24: ...s to switch setting screen pages p 30 CANCEL key Press to cancel p 39 ENTER key Press to enter a setting p 39 UNDO key Press to undo setting changes p 39 Arrow keys Press to select items or increase d...

Page 25: ...put p 8 USB connector GPIB connector Multi I O connector Used for sweep sequence control sync code output p 19 Frequency reference output terminal p 18 External 10 MHz frequency reference input termin...

Page 26: ...to enter a setting p 39 UNDO key Press to undo setting changes p 39 Arrow keys Press to select items or increase decrease values p 34 Modify knob Press to select items or increase decrease values p 3...

Page 27: ...code output p 19 Frequency reference output terminal p 18 External 10 MHz frequency reference input terminal p 17 CH1 external trigger input terminal p 17 CH2 external trigger input terminal p 17 CH2...

Page 28: ...se r f re plusieurs connecteurs BNC branch s sur une m me mise la terre Si de telles tensions sont appliqu es les composants de limitation de tension interne tentent de diminuer la tension de fonction...

Page 29: ...circuit protection provided Signal GND Insulation from the housing 42 Vpk max FG420 Insulation also between channels 42 Vpk max 3 2 2 Sync sub output SYNC SUB OUT FG420 FG410 SYNC SUB OUT Insulated f...

Page 30: ...mended Signal GND Same potential as same channel waveform output insulated from housing 42 Vpk max FG420 Insulation also between channels 42 Vpk max 3 2 3 External modulation addition input MOD ADD IN...

Page 31: ...igger p 124 Sequence oscillation start trigger 6 2 Basics in the Application Instruction Manual TRIG IN can also be used as the external modulation input for FSK and PSK p 77 Input Characteristics Inp...

Page 32: ...etting for the slave units and perform phase synchronization with the master unit 4 SYNCHRONIZING MULTIPLE UNITS in the Application Instruction Manual The frequency accuracies of the connected FG410 a...

Page 33: ...fall input Hold resume Hold the sweep through fall input during sweep execution The sweep is resumed from where it was held through rise input during hold Control input for sequence oscillation mode T...

Page 34: ...ow 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 unco...

Page 35: ...r Maximum allowed input 0 5 V to 5 5 V Input impedance 10 k pull up to 5 V Output voltage TTL level low 0 4 V or lower high 2 7 V or higher Signal GND Same potential as housing Connector Mini D sub 15...

Page 36: ...ceeding 42 Vpk DC AC peak between the grounds of the BNC connector groups insulated from the housing BNC connector group as used here refers to multiple BNC connectors that are connected to a common g...

Page 37: ...court circuit ces terres de connecteurs BNC vous risqueriez d endommager l appareil Cautions on Floating Ground Connection for FG410 ANALOG CKT 1M 1M FCTN OUT SYNC SUB OUT MOD ADD IN Housing ground 1...

Page 38: ...IN EXT REF CKT Housing 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 Use with potential differe...

Page 39: ...edure Power off state standby state The power is switched on The startup screen is displayed Press the power switch Once the power is switched on a self check test is automatically executed and the un...

Page 40: ...s connected The most general case is illustrated below Power supply connected Settings AAA LINE Power supply disconnected The power remains off Power supply reconnected LINE LINE The power remains off...

Page 41: ...d off last are restored The output on off settings at power on can be set on the Utility screen p 45 Check The previous settings can be restored only if the equipment was powered off using the power s...

Page 42: ...te The power is switched off Power supply connected Power supply reconnected Power supply reconnected Power on state The power is switched on The settings are set to thecontents of setting memory 1 Se...

Page 43: ...temperature of 40 C or lower this indicates a malfunction so notify YOKOGAWA or the dealer Remote status USB GPIB Displayed when the equipment is controlled via the USB or GPIB interface External fre...

Page 44: ...on the left there is a total of two setting screen pages and the icon indicates that the second page is currently displayed Soft key display area Displays the functions of the soft keys allocated acc...

Page 45: ...Display format types There are three types of display formats as follows The channel to be set can be switched with the CH1 CH2 key Text display Text FG410 or Single FG420 Displays the settings of 1 c...

Page 46: ...he arrow keys or the modify knob Tab selection or 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 th...

Page 47: ...ht up the backlight forcibly b Actions 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 b...

Page 48: ...changed In this state a value can also be input by using the numeric keypad ENTER 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 lef...

Page 49: ...put the left arrow key serves as the delete key and the right arrow key as the zero input key 7 8 9 4 5 6 1 2 3 0 Numeric input 3 Press the ENTER key or the unit key soft key to set the input value an...

Page 50: ...36 IM FG410 01EN 4 BASIC OPERATION 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 51: ...knob In this state the desired item can also be selected by inputting a number from the numeric keypad Item selection or 4 Press the ENTER key to set the selected item and reflect it to the output The...

Page 52: ...can be immediately opened with the corresponding basic parameter shortcut key p 48 p 48 p 52 p 54 MENU OFFSET FCTN FREQ AMPTD MENU OFFSET FCTN FREQ AMPTD MENU OFFSET FCTN FREQ AMPTD MENU OFFSET FCTN F...

Page 53: ...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 set...

Page 54: ...input field ENTER 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 wit...

Page 55: ...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 Vrms display dBV di...

Page 56: ...ndent The channel that is to be set is called the active channel in this product In the burst oscillation mode etc the MAN TRIG MAN TRIG key works for the active channel Even if the screen is changed...

Page 57: ...d output off p 45 External 10 MHz frequency reference enable disable Ext Reference Enables disables the external 10 MHz frequency reference 5 USING EXTERNAL FREQUENCY REFERENCE in the Application Inst...

Page 58: ...on Manual Internal information display Information Displays the firmware version and latest calibration date 8 6 Product Information Display Information in the Application Instruction Manual Channel m...

Page 59: ...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 OUT OUT OUT Output off Output on When the out...

Page 60: ...ility screen 2 On the Utility screen select the Power On Output field and then press the ENTER ENTER key 3 The power on output setting window is displayed so select the desired item and then press the...

Page 61: ...veform Waveform specific parameters Polarity and amplitude range of waveform depending on the waveform additional selection buttons may be displayed 4 4 2 Setting the oscillation mode 1 Select the Mod...

Page 62: ...displayed 4 4 4 Setting the frequency 1 Press the FREQ FREQ shortcut key to display the frequency input field or select the Freq field and then press the ENTER ENTER key to open the input field Even...

Page 63: ...the FREQ 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...

Page 64: ...ion is 90 ahead of the rise of the reference phase sync output Waveform output Sync sub output reference phase sync output Phase setting 90 90 Waveform output s zero phase position The oscillation sta...

Page 65: ...H1 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 Betw...

Page 66: ...he amplitude input field is open 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 c...

Page 67: ...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 se...

Page 68: ...lect the digit to be 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 Alternative...

Page 69: ...e 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 AMPTD key is pressed Changing to high lo...

Page 70: ...e 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...

Page 71: ...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 o...

Page 72: ...ange 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...

Page 73: ...impedance condition choice list opens Select the desired load impedance and then press the ENTER ENTER key When Variable is selected the load impedance value can be set 3 Once the load impedance sett...

Page 74: ...G410 01EN 4 BASIC OPERATION Check The output impedance is constant at 50 The output impedance error and output voltage error are not corrected The output voltage accuracy specification is the load ope...

Page 75: ...addition signal The external addition setting is done on the Utility screen 1 Press the MENU MENU key to open the top menu window There select Utility and then press the ENTER ENTER key to display th...

Page 76: ...when external addition 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 out...

Page 77: ...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 pre...

Page 78: ...equivalent to the set duty When 0 is set the waveform is fixed on the low level side and when 100 is set it is fixed to the high level side In either case the pulse stops being output d Duty and freq...

Page 79: ...used the unit is set to s b Pulse width duty setting method 1 Select the Duty field and then press the ENTER ENTER key to open the pulse width duty input field Even if there are several setting screen...

Page 80: ...me and trailing edge time setting method The leading edge time LE and trailing edge time TE can be set only with time 1 To set the leading edge time select the LE field and then press the ENTER ENTER...

Page 81: ...ng edge time trailing edge time and frequency or cycle are limited as follows Largest of 0 01 of period or 15 ns Leading edge time Largest of 0 01 of period or 15 ns Trailing edge time For example the...

Page 82: ...meric keypad Then press the ENTER 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...

Page 83: ...ariable waveform selection screen Waveform polarity amplitude range Waveform graph Applies the changes and exits the selection screen Discards the changes and exits the selection screen Returns the va...

Page 84: ...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 ap...

Page 85: ...nd 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...

Page 86: ...ss 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 shortc...

Page 87: ...binary frequency shift modulation p 80 PM Phase Modulation p 81 PSK Phase Shift Keying This is binary phase shift modulation p 82 AM Amplitude Modulation p 83 AM DSB SC Amplitude Modulation Double Si...

Page 88: ...h the NEXT NEXT key 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 Set the oscilla...

Page 89: ...triangular rising ramp falling ramp noise and arbitrary can be chosen from p 76 Internal modulation frequency ModFreq This is the frequency of the internal modulation source p 76 Sync output SyncOut...

Page 90: ...84 DC offset modulation OFSM p 85 PWM PWM p 86 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 m...

Page 91: ...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...

Page 92: ...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 ter...

Page 93: ...c Waveforms for which FM is not possible 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...

Page 94: ...Type modulation type on the 2nd page of the setting screen to FSK FSK c Waveforms for which FSK is not possible FSK is not possible for noise pulse wave and DC d Setting items required for FSK Set Fre...

Page 95: ...ion mode is set to Modulation set Type modulation 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 requi...

Page 96: ...of the setting screen to PSK PSK c Waveforms for which PSK is not possible PSK is not possible for noise and DC d Setting items required for PSK Set Deviation phase deviation on the 2nd page of the s...

Page 97: ...ossible for DC d Setting items required for AM 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 v...

Page 98: ...ion mode is set to Modulation modulation set Type modulation type on the 2nd page of the setting screen to AM SC AM DSB SC c Waveforms for which AM DSB SC is not possible AM DSB SC is not possible for...

Page 99: ...een to OFSM DC offset modulation c Waveforms for which DC offset modulation is not possible None DC offset modulation is possible for all waveforms d Setting items required for DC offset modulation Se...

Page 100: ...PWM is not possible PWM is possible only for square waves and pulse waves PWM is not possible for other waveforms d Setting items required for PWM Set Duty carrier duty on the 1st page of the setting...

Page 101: ...he top menu then select Oscillator and press the ENTER ENTER key a Setting the oscillation mode to sweep Set Mode oscillation mode to Sweep on the Oscillator setting screen The oscillation mode is swi...

Page 102: ...chosen from p 90 Sweep start value Start This is the sweep start value Sweep stop value Stop This is the sweep stop value Sweep time Time This is the transition time from the start value to the stop...

Page 103: ...t sweep oscillation is stopped It can be set either to Off or On for setting the level Normally Off is set p 93 External control with multi I O connector ExtCtrl Enables disables external control with...

Page 104: ...sweep 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 S...

Page 105: ...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...

Page 106: ...setting screen to Single single Since a trigger signal is required set the trigger signal with Trig trigger on the 2nd page For the trigger setting procedure p 94 The transition time from the start va...

Page 107: ...stop phase Stop level normally set to Off To set the 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...

Page 108: ...next to the MAN TRIG key lights The trigger condition is set with Trig trigger on the 2nd page of the setting screen Trigger source setting The trigger source can be chosen from Int internal and Ext e...

Page 109: ...ual 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 opera...

Page 110: ...n 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 th...

Page 111: ...from start value to marker value Marker value Low from start value to marker value Low from start value to marker value Low from start value to stop value Marker value Sweep X drive signal X Drive Sin...

Page 112: ...or the pin number allocation p 20 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...

Page 113: ...he following items on the 2nd page 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 Sto...

Page 114: ...tting screen p 93 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 98 Oscillation stop unit for gated single sho...

Page 115: ...tion mode is set to Sweep sweep set Type sweep type on 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...

Page 116: ...lowing items as needed Marker phase Marker 2nd page of setting screen p 96 Stop level StpLvl 3rd page of setting screen p 93 This setting can be used only for gated single shot sweep External control...

Page 117: ...g items required for amplitude sweep 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...

Page 118: ...setting screen p 93 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 98 Oscillation stop unit for gated single...

Page 119: ...object Moreover when DC is selected 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 Th...

Page 120: ...setting screen p 93 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 98 Oscillation stop unit for gated single...

Page 121: ...reen 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 p 64 p 67 Stop duty Stop The...

Page 122: ...ing screen p 93 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 98 Oscillation stop unit for gated single shot...

Page 123: ...vely specified wave number No trigger signal is required p 110 Trigger burst Oscillation with the specified wave number is done each time a trigger is received p 113 Gate oscillation Oscillation is do...

Page 124: ...ve number 3 space wave number oscillation stop wave number 2 oscillation start stop phase 30 stop level off Oscillation start stop phase 30 Oscillation phase continues even during stop Mark wave numbe...

Page 125: ...cycle units Space wave number Space This is the wave number for oscillation stop It can be set in 0 5 cycle units Normally it is set in 1 cycle units Stop level StpLvl This is the signal level during...

Page 126: ...st 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...

Page 127: ...e 30 stop level off Trigger signal Output signal Oscillation start stop phase 30 No new trigger accepted in this interval Trigger delay time Trigger delay time b Setting the oscillation mode to trigge...

Page 128: ...uring oscillation stop The level can be set to either off or on Normally it is set to off p 116 Trigger Trig This is the trigger condition Internal and external can be chosen as the trigger source p 1...

Page 129: ...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 os...

Page 130: ...ion 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...

Page 131: ...signal becomes off oscillation stops once the oscillation start stop phase is reached Gate signal Output signal Oscillation start stop phase 30 Gate on Gate on Gate off Gate off b Setting the oscilla...

Page 132: ...ger Trig This is the trigger condition gate condition Internal and external can be chosen as the trigger source p 119 Oscillation stop unit OscStop This is the oscillation stop unit One cycle and 0 5...

Page 133: ...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...

Page 134: ...ation is done in integer cycles The next figure compares oscillation done using 1 cycle and half cycle as the oscillation stop unit under the following conditions oscillation start stop phase 30 stop...

Page 135: ...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 Stop level 0...

Page 136: ...op level off After the gate signal becomes off oscillation stops once the oscillation start stop phase is reached Gate on Gate off Internal gate signal Oscillation start stop phase 30 Output signal Tr...

Page 137: ...n Internal and external can be chosen as the trigger source p 124 Oscillation stop unit OscStop This is the oscillation stop unit A choice can be made between 1 cycle unit and 0 5 cycle units Normally...

Page 138: ...active p 42 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 tim...

Page 139: ...et oscillation is done in integer cycles p 120 j Usage of stop level The level when oscillation is stopped is normally set with the oscillation start stop phase but it can also be set independently fr...

Page 140: ...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 which the setting is...

Page 141: ...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 delet...

Page 142: ...hlight in the left 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 memo...

Page 143: ...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 127 Press...

Page 144: ...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 Ref...

Page 145: ...rol 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 cy...

Page 146: ...ark 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 o...

Page 147: ...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 F...

Page 148: ...quency accuracy at shipping 1 3 ppm of setting 2 pHz Frequency aging rate 1 1 ppm year Phase setting range 1800 000 to 1800 000 0 001 resolution 7 4 Output Characteristics 7 4 1 Amplitude Setting rang...

Page 149: ...ep 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 DD...

Page 150: ...he 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 Low...

Page 151: ...nced sine 1 5 1 0 0 5 0 0 5 1 0 1 5 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 Se...

Page 152: ...1 5 Sine wave with chattering into off state Off phase 0 00 to 360 00 Number of chattering 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 c Pulse group...

Page 153: ...cillation 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 1 5 1 0 0 5 0 0 5 1 0 1 5...

Page 154: ...position of internal modulation waveform Fixed to low level while internal modulation waveform is noise Output connector Shared with sync sub output connector Internal modulation signal output Output...

Page 155: ...ing 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 modu...

Page 156: ...single shot sweep Period setting range 100 0 s to 10 000 s 5 digits or 0 1 s resolution Stop level setting used for gated single shot sweep Function Specification of signal level while oscillation is...

Page 157: ...eform 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 reso...

Page 158: ...s to 100 00 s 5 digits or 0 01 s resolution Latent delay of 0 55 s Only valid for trigger burst not valid for gate triggered gate Valid for both internal and external trigger sources Not valid for man...

Page 159: ...r 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 s...

Page 160: ...ceptacle External addition input Addition gain x2 x10 off selectable During x2 the maximum output voltage range is fixed to 4 Vp p and during x10 20 Vp p Off during sequence oscillation Input voltage...

Page 161: ...ntial output Same frequency amplitude and DC offset Reverse phase waveform Differential output is controlled to be held during all types of sweep and internal modulation External modulation and extern...

Page 162: ...aster unit Connection method 2 4 units including master unit Phase synchronization operation Manual operation Time difference between units Delay of each channel of nth slave unit in relation to each...

Page 163: ...l modulation addition input MOD ADD IN are insulated from the housing These signal grounds are shared within the same channel The signal ground for the external 10 MHz reference input 10 MHz REF IN is...

Page 164: ...non conductive pollution External dimensions 216 W x 88 H x 332 D mm excluding projections Weight Approx 2 1 kg excluding accessories weight of main unit only Safety and EMC Safety EN61010 1 Operatin...

Page 165: ...151 IM FG410 01EN External dimensions FG410 Unit mm 7 17 General Characteristics...

Page 166: ...152 IM FG410 01EN 7 SPECIFICATIONS External dimensions FG420 Unit mm...

Page 167: ...153 IM FG410 01EN RACK MOUNTING DIMENSIONS Inch rack mounting dimensions for 1 unit Unit mm 7 17 General Characteristics...

Page 168: ...154 IM FG410 01EN 7 SPECIFICATIONS Inch rack mounting dimensions for 2 units Unit mm...

Page 169: ...155 IM FG410 01EN Millimeter rack mounting dimensions for 1 unit Unit mm 7 17 General Characteristics...

Page 170: ...156 IM FG410 01EN 7 SPECIFICATIONS Millimeter rack mounting dimensions for 2 units Unit mm...

Page 171: ...157 IM FG410 01EN 7 17 General Characteristics...

Page 172: ...placement contact your nearest YOKOGAWA dealer Part Name Lifetime LCD backlight Under normal conditions of use approximately 25 000 hous The following are consumable parts We recommend replacing them...

Page 173: ...159 IM FG410 01JA...

Page 174: ...ernal modulation input 16 external trigger input 17 frequency reference input 17 frequency reference output 18 modulation addition input 16 multi I O 19 sync sub output 15 trigger input 17 waveform ou...

Page 175: ...meric keypad 35 O OFFSET key 54 operating principles 2 options 6 oscillation mode setting 47 OUT key 45 output on off 45 overheating 29 P panel front panel of FG410 10 front panel of FG420 12 rear pan...

Page 176: ...ep 91 single shot sweep 92 start stop phase 93 start sweep 95 start sweep in synchronization with a trigger 92 start value output 95 stop level 93 stop sweep 95 stop value output 95 96 substitute cent...

Page 177: ...163 IM FG410 01JA W waste disposal VI waveform amplitude range 56 waveform polarity 56 waveform polarity and amplitude range setting 56 waveform setting 48...

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Page 180: ...ontents of this manual may be revised without notice Information provided in this manual is intended to be accurate and reliable However we assume no responsibility for any damage regarding the conten...

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YOKOGAWA FG420, User Manual

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