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3.6. Example 6:Generate an Arbitrary Wave

Generate an arbitrary waveform (Sinc) with 5MHz frequency, 2Vrms amplitude

and 0Vdc offset.

Steps:

Set the type of the arbitrary waveform.

1. Press Arb

→

(1/2

↓

)

→

Load form, to choose the built-in waveform..

2. Press Built-In

→

Math, There are sixteen math arbitrary waveforms.

3. Choose Sinc, and press Select to enter Arb Main Menu.

Set the frequency.

1. Press Freq and choose Frequency which will display in white color.

2. Input ‘5’ from the keyboard and choose the unit ‘MHz’. The frequency is set

to be 5MHz.

Set the amplitude

1. Press Ampl to choose Ampl which will display in white color.

2. Input ‘2’ from the keyboard and choose the unit ‘Vrms’. The amplitude is set

to be 2Vrms.

Set the offset

1. Press Offset to choose Offset which will display in white color.

2. Input ‘0’ from the keyboard and choose the unit ‘Vdc’. The offset is set to be

0Vdc.

When the arbitrary waveform’s type, frequency, amplitude and offset are set,

Содержание SFG-20 Series

Страница 1: ...5 10 MHz Arbitrary Function Waveform Generators User Manual SFG 20X ...

Страница 2: ...jack and mating plug of the power cable must meet IEC safety standards DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE Do not operate the instrument in the presence of flammable gases or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard KEEP AWAY FROM LIVE CIRCUITS Instrument covers must not be removed by operating personnel Component replacement an...

Страница 3: ...el AC line voltage indicator Applying a line voltage other than the indicated voltage can destroy the AC line fuses For continued fire protection replace fuses only with those of the specified voltage and current ratings CAUTION This product uses components which can be damaged by electro static discharge ESD To avoid damage be sure to follow proper procedures for handling storing and transporting...

Страница 4: ... for warning information to avoid hazard or personal injury and prevent damage to instrument Chassis earth ground symbol On Power This is the In position of the power switch when instrument is ON Off Power This is the Out position of the power switch when instrument is OFF Off Supply This is the AC mains connect disconnect switch on the back of the instrument CAUTION CAUTION indicates a hazardous ...

Страница 5: ...ar and simple front panel The user friendly panel layout and instructions versatile terminals direct graph interface built in instructions and help system have greatly simplified the operation process with the help of which users do not have to spend a great deal of time learning and familiarizing the operation of the generator before they can use it proficiently The built in AM DSB AM FM PM ASK F...

Страница 6: ...ise 10MHz bandwidth 3dB Arbitrary 1µHz to 5MHz 5 standard waveforms Sine Square Ramp Pulse Noise Self defined arbitrary waveform Multiple modulation function AM FM PM ASK FSK PWM DSB AM Sweep and Burst Multiple interfaces USB host USB device USBTMC Support USB storage device Software updating could also be performed using USB devices Up to 16k sample points of internal waveform depth which can reb...

Страница 7: ...15 1 8 To Use Store Utility Help Function 16 2 Operating Your Generator 17 2 1 To Set Sine Signals 18 2 2 To Set Square Signals 23 2 3 To Set Ramp Signals 26 2 4 To Set Pulse Signals 29 2 5 To Set Noise Signals 33 2 6 To Set Arbitrary Signals 35 2 7 To Generate the Modulated Waveform 42 2 8 To Generate Sweep 52 2 9 To Generate Burst 54 2 10 To Store and Recall 58 2 11 To Set the Utility Function 6...

Страница 8: ...ave 96 3 8 Example 8 Generate a Burst Wave 98 3 9 Example 9 Generate an AM Wave 100 3 10 Example 10 Generate a FM Wave 102 3 11 Example 11 Generate a PM Wave 104 3 12 Example 12 Generate a FSK Wave 106 3 13 Example 13 Generate an ASK Wave 108 3 14 Example 14 Generate a PWM Wave 110 3 15 Example 15 Generate a DSB AM Wave 112 4 Troubleshooting 114 General Inspecting 114 Troubleshooting 115 5 Service...

Страница 9: ...ed This chapter covers the following topics General Inspection Handle Adjustment The Front Rear Panel To Set a Waveform To Set Modulate Sweep Burst To Set Output To Use Digital Input To Use Store Utility Help Function ...

Страница 10: ...t are listed in chapter 6 Appendix A Accessories If the contents are incomplete or damaged please notify your sales representative 3 Inspect the instrument In case any mechanical damage or defect or if the instrument does not operate properly or pass performance tests notify your sales representative If the shipping container is damaged or the cushioning materials show signs of stress notify the c...

Страница 11: ...of SFG 20X Function Arbitrary Waveform Generator please grip the handle by the sides and pull it outward Then make the handle rotate to the desired position Figure 1 1 Viewing Position and Carrying Position 1 3 The Front Rear Panel ...

Страница 12: ...simple front panel See Figure 1 2 and Figure 1 3 The front panel has a knob and functional keys The 5 blue grey buttons on the right side of the screen are menu buttons named F1 to F5 from up to down with the help of which you can enter different functions menu or have direct specific applications The signal input and output interfaces are set at the front and rear panels which can help generating...

Страница 13: ...Keys 4 Number Keypad 5 Knob 6 Cursor Keys 7 Manual Trigger Key Sweep and Burst only 8 Output Enable Key 9 Output BNC Connector 10 Sync BNC Connector 11 Help Menu Key 12 Modulation Sweep Burst Keys 13 Utility Menu Key 14 State Storage Menu Key 15 Menu Operation Softkeys 16 On Off Switch ...

Страница 14: ... Connector Figure 1 4 Rear Panel of SFG 20X Series 1 USB Interface 2 AC Input Receptacle Figure 1 5 Display Interface Sine Wave is the default display signal Waveform Display area Parameter area Menu Options ...

Страница 15: ...words such as Freq which means the frequency option in the Sine menu 1 4 To Set a Waveform On the operation panel there is a set of buttons with waveform icon See Figure 1 6 The exercise below will help you familiarize with the waveform selection settings Figure 1 6 Waveform Selection Buttons 1 Press Sine button and the waveform window will display sine waveform SFG 20X Series Generator can genera...

Страница 16: ...amplitude and 0 Vdc offset 2 Press Square button and the waveform window displays square waveform SFG 20X Series Generator can generate square signal with a frequency from 1µHz to 10MHz and variable duty cycle Figure 1 8 Square Signal Display Interface As is shown in Figure 1 8 the default signal parameters are 1kHz frequency ...

Страница 17: ...1µHz to 300kHz and variable symmetry Figure 1 9 Ramp Signal Display Interface As is shown in Figure 1 9 the default signal parameters are 1kHz frequency 4 0Vpp amplitude 0Vdc offset and 50 symmetry 4 Press Pulse button and the waveform window displays pulse waveform SFG 20X Series Generator can generate pulse signal with a frequency from 500µHz to 5 MHz and variable pulse width and delay ...

Страница 18: ...0Vpp amplitude 0Vdc offset 200µs pulse width 5 Press Noise button and the waveform window displays noise waveform SFG 20X Series Generator can generate noise signal with a band width up to 10MHz Figure 1 11 Noise Signal Display Interface As is shown in Figure 1 11 the default signal parameters are 128mV Stdev and 0mV Mean ...

Страница 19: ...X Series Generator can generate repeatable arbitrary waveform signals with at most 16 kpts and 5 MHz frequency Figure 1 12 Arbitrary Waveform Signal Display Interface As is shown in Figure 1 12 the default signal parameters are 1 kHz frequency 4 0 Vpp amplitude and 0 mVDC offset ...

Страница 20: ...13 Modulate Sweep Burst Button 1 Press Mod button the modulated waveforms will be generated The modulated waveform can be changed by modifying the parameters such as type internal external modulation depth frequency waveform etc SFG 20X Series can modulate waveform using AM FM PM ASK FSK PWM and DSB AM Sine square ramp and arbitrary waveforms can be modulated pulse noise and DC cannot be modulated...

Страница 21: ...e and DC can not be swept In the sweep mode SFG 20X Series generate signal with variable frequencies Figure 1 15 Sweep Waveform Display Interface 3 PressBurstbutton burstforsine square ramp pulseorarbitrarywaveform can be generated Figure 1 16 Burst Waveform Display Interface ...

Страница 22: ... Figure 1 17 Output Buttons Press Output button activate or deactivate the output signal Term Explanation Burst Output waveforms with set cycle times Burst can last for certain times of waveform cycle N Cycle Burst or be controlled by external gated signals Gated Burst Burst applies to all kinds of waveforms but noise can only be used in gated burst Generally it is called burst function within eve...

Страница 23: ...b and the keypad The instruction below will help you familiarize with the digital input function Figure 1 18 Front Panel Digital Input 1 Theupanddownkeysareusedtoshiftparametersandtheleftandrightkeys are used to shift digits 2 Keypad is used to directly set the parameters value 3 Knob is used to change a signal digit value whose range is 0 9 ...

Страница 24: ...h these functions Figure 1 19 Store Recall Utility and Help Button 1 The Store Recall button is used to store waveform data and configure information 2 The Utility button is used to set the auxiliary system function change the output configure parameters interface setting system setting information or perform the instrument self test and read the calibration information etc 3 The Help button is us...

Страница 25: ...ns you are suggested to read chapter one Getting Started again This chapter covers the following topics Setting Sine Signal Setting Square Signal Setting Ramp Signal Setting Pulse Signal Setting Noise Signal Setting Arb Signal Output Modulated Signal Output Sweep Signal Output Burst Signal Store Recall Utility Setting Help System You are suggested to read this chapter carefully so as to understand...

Страница 26: ...forms are frequency period amplitude high level offset low level and phase Different sine signals are generated by setting these parameters As is shown in Figure 2 1 in the soft key menu select Freq Cursor is located in the frequency parameter area in the parameter display window and users can set the frequency value here Figure 2 1 Sine Parameter Display Interface ...

Страница 27: ...the current operation is displayed in inverse color 2 Input the desired frequency Use the keypad to input the parameter value directly and press the corresponding button to select the parameter unit Or you can use the direction button to select the digit you want to edit and then use the knob Function menu Explanations Freq Period Set the signal frequency or period The current parameter will be sw...

Страница 28: ... the current value is valid for the new waveform it will be used sequentially If you want to set the waveform by high level or low level press the Ampl HLevel or Offset LLevel button again to switch into the high level or low level parameter the current operation is displayed in inverse color Instruction When using the keypad to enter the digit you can use the left direction button to move the cur...

Страница 29: ...set 1 Press Sine Offset to set the offset The offset shown on the screen when the instrument is powered is the default value or the set value beforehand When changing the function if the current value is valid for the new waveform it will be used sequentially 2 Input the desired Offset Use the keypad or the knob to input the desired value choose the unit and press the corresponding button ...

Страница 30: ...Figure 2 5 Setting the Offset ...

Страница 31: ...Square operation menu The parameters of Square waveforms are frequency period amplitude high level offset low level phase and duty As is shown in Figure 2 6 select Duty Cursor is located in the duty parameter area in the parameter display window and users can set the duty value here Figure 2 6 Square Parameter Display Interface ...

Страница 32: ...e beforehand When changing the function if the current value is valid for the new waveform it will be used sequentially 2 Input the desired Duty Cycle Function Menu Settings Explanation Freq Period Set the signal frequency or period The current parameter will be switched at a second press Ampl HLevel Set the signal amplitude or high level The current parameter will be switched at a second press Of...

Страница 33: ...Use the keypad or the knob to input the desired value choose the unit and press the corresponding button The generator will change the waveform immediately Figure 2 8 Setting the Duty Cycle ...

Страница 34: ...The parameters for ramp waveforms are frequency period amplitude high level offset low level phase and symmetry As is shown in Figure 2 9 in the soft key menu select Symmetry Cursor is located in the symmetry parameter area in the parameter display window and users can set the symmetry value here Figure 2 9 Ramp Parameter Display Interface ...

Страница 35: ... Function Menu Settings Explanation Freq Period Set the signal frequency or period The current parameter will be switched at a second press Ampl HLevel Set the signal amplitude or high level The current parameter will be switched at a second press Offset LLevel Set the signal offset or low level The current parameter will be switched at a second press Phase Set the phase of the signal Symmetry Set...

Страница 36: ...the desired Symmetry Use the keypad or the knob to input the desired value choose the unit and press the corresponding button The generator will change the waveform immediately Figure 2 11 Setting the Symmetry ...

Страница 37: ...eters for pulse waveforms are frequency period amplitude high level offset low level pulse width Duty and Rise Fall As is shown in Figure 2 12 in the soft key menu select PulWidth Cursor is located in the pulse width parameter area in the parameter display window and users can set the pulse width value here Figure 2 12 Pulse Parameter Display Interface ...

Страница 38: ...the signal amplitude or high level The current parameter will be switched at a second press Offset LLevel Set the signal offset or low level The current parameter will be switched at a second press PulWidth Duty Set the signal pulse width or duty The current parameter will be switched at a second press Rise Fall Setting the rising edge for pulse waveform Setting the falling edge for pulse waveform...

Страница 39: ... Press Pulse Rise to set the Rise edge The rising edge shown on the screen when the instrument is powered is the default value or the set value beforehand When changing the function if the current value is valid for the new waveform it will be used sequentially 2 Input the desired rising edge Use the keypad or the knob to input the desired value choose the unit and press the corresponding button T...

Страница 40: ...Figure 2 15 Setting the Rise edge ...

Страница 41: ...tion menu The parameters for noise waveforms are Stdev and mean As is shown in Figure 2 16 in the soft key menu select Stdev Cursor is located in the Stdev parameter area in the parameter display window and users can set the Stdev value here Noise is non regulated signal which has no frequency or period Figure 2 16 Noise Parameter Display Interface ...

Страница 42: ...Figure 2 17 Table 2 5 Menu Explanations of Noise Waveform Function Menu Settings Explanation Stdev Set the signal standard deviation Mean Set the signal mean ...

Страница 43: ...rameters are set by using the Arb operation menu The Arb signal consists of two types the system built in waveform and the user definable waveform The parameters for Arb waveforms are frequency period amplitude high level offset low level and phase Figure 2 18 Arb Parameter Display Interface ...

Страница 44: ... period The current parameter will be switched at a second press Ampl HLevel Set the signal amplitude or high level The current parameter will be switched at a second press Offset LLevel Set the signal offset or low level The current parameter will be switched at a second press Phase Set the phase of the signal Function Menu Settings Explanation Load Wform Select the built in arbitrary signal as o...

Страница 45: ...f Built in Arbitrary Waveform 1 To Select the Built in Waveform Press Arb Load Wform Built In and enter the following interface As is shown in Figure 2 22 there are five kinds of arbitrary waveform Function Menu Settings Explanation Built In Select one of the 46 types built in arbitrary waveforms Stored Wforms Select one of arbitrary waveforms stored in the non volatile memory Cancel Cancel the cu...

Страница 46: ...Winfun Triangle Select windows function triangle waveform Select Validate the built in waveform Function Menu Settings Explanation StairUp Select the built in stair up waveform StairDn Select the built in stair down waveform StairUD Select the built in stair up and down waveform PPulse Select the built in positive pulse waveform NPulse Select the built in negative pulse waveform Trapezia Select th...

Страница 47: ...arithmic rise waveform Sqrt Select the built in square root waveform Root3 Select the built in Root3 waveform X 2 Select the built in X 2 waveform X 3 Select the built in X 3 waveform Sinc Select the built in sinc waveform Sinc sin x x Gaussian Select the built in gaussian waveform Dlorentz Select the built in D lorentz waveform Haversin Select the built in haversine waveform Lorentz Select the bu...

Страница 48: ... Menu Settings Explanation Hamming Select the built in hamming window waveform Hanning Select the built in hanning window waveform Kaiser Select the built in kaiser window waveform Blackman Select the built in blackman windows waveform Gaussian Select the built in gaussian window waveform Triangle Select the built in triangle window waveform Hairs Select the built in hairs window waveform Bartlett...

Страница 49: ...d Wforms and enter the following interface As is shown in Figure 2 27 use the direction keys or knob to choose the corresponding arbitrary waveform and press Select Figure 2 27 Stored Wform Display Interface Acot Select the built in inverse cotangent waveform ...

Страница 50: ...sers can set the modulating frequency frequency deviation modulating waveform and carrier waveform In ASK users can set the Key Freq and carrier waveform In FSK users can set the key frequency Hop Freq and carrier waveform In PM users can set the phase deviation modulating frequency modulating waveform and carrier waveform We will cover how to set these parameters in details according to the modul...

Страница 51: ...tion Depth The amplitude range also called Percentage Modulation Modulation depth varies from 0 to 120 In the 0 modulation the output amplitude is the half of the set one In the 100 modulation the output amplitude is the same with the set one Function Menu Settings Explanation AM Freq Set the modulating waveform frequency Frequency range 2mHz 20kHz internal source only AM Depth Set the amplitude r...

Страница 52: ...erface of FM Waveform Parameter Press Mod Type FM to enter the following menu Figure 2 31 Table 2 15 Menu Explanations of the FM Parameters Function Menu Settings Explanation FM Freq Set the modulating waveform frequency Frequency range 2mHz 20kHz internal source FM Dev Set the maximum frequency deviation Type FM Frequency modulation Shape Sine Square Triangle UpRamp DnRamp Noise Arb Choose the mo...

Страница 53: ...ating signal keeping frequency and phase constant The parameters for the ASK are as shown in Figure 2 32 Figure 2 32 Setting Interface of ASK Waveform Parameter Term Explanation Frequency Deviation The deviation should be equal to or less than the carrier waveform frequency The sum of the deviation and the carrier frequency should be equal to or less than maximum frequency of the selected function...

Страница 54: ...le 2 16 Menu Explanations of the ASK Parameters Function Menu Settings Explanation Key Freq Set the frequency at which the output amplitude shifts between the carrier amplitude and zero internal modulation only 2mHz 50kHz Type ASK Amplitude shift keying modulation ...

Страница 55: ... frequency Figure 2 34 Setting Interface of FSK Waveform Parameter Press Mod Type FSK to enter the following interface Figure 2 35 Table 2 17 Menu Explanations of the FSK Parameters Function Menu Settings Explanation Key Freq Set the frequency at which the output frequency shifts between the carrier frequency and the hop frequency internal modulation only 2mHz 50kHz Type FSK Frequency shift keying...

Страница 56: ...instantaneous voltage level of the modulating waveform The parameters for the PM are as shown in Figure 2 36 Figure 2 36 Setting Interface of PM Waveform Parameter Press Mod Type PM enter the following interface Figure 2 37 Table 2 18 Menu Explanations of the PM Parameters Function Menu Settings Explanation PM Freq Set the modulating waveform frequency ...

Страница 57: ...he modulating waveform The parameters for the FM are as shown in Figure 2 38 Figure 2 38 Setting Interface of PWM Waveform Parameter Press Mod Pulse PWM to enter the following menu Frequency range 2mHz 20kHz Phase Dev Range from 0 360 Type PM Phase modulation Shape Sine Square Triangle UpRamp DnRamp Noise Arb Choose the modulating waveform To change the carrier waveform parameter press Sine Square...

Страница 58: ...orm Parameter Figure 2 41 Table 2 20 Menu Explanations of the DSB AM Parameters Function Menu Settings Explanation PWM Freq Set the modulating waveform frequency 2mHz 20kHz Width Dev Duty Dev Set the width or Duty range Type PWM Amplitude modulation Shape Sine Square Triangle UpRamp DnRamp Noise Arb Choose the modulating waveform The carrier waveform is pulse Function Menu Settings Explanation ...

Страница 59: ... waveform frequency Frequency range 2mHz 20kHz Type DSB AM Amplitude modulation Shape Sine Square Triangle UpRamp DnRamp Noise Arb Choose the modulating waveform To change the carrier waveform parameter press Sine Square Ramp Arb ...

Страница 60: ...he stop frequency at the sweep time you specify Sweep can be generated by sine square ramp or arbitrary waveforms pulse noise and DC are not allowed Figure 2 42 Setting Interface of Sweep Waveform Parameter Press Sweep button to enter the following menu Set the waveform parameters by using the operation menu ...

Страница 61: ...he time span of the sweep in which the frequency changes from the start frequency to stop frequency Stop Freq Freq Span Set the stop frequency of the sweep Set the frequency span of the sweep Start Freq Mid Freq Set the start frequency of the sweep Set the center frequency of the sweep Source Internal Choose internal source External Choose external source Manual Set the start and stop time by hand...

Страница 62: ...veform cycle N Cycle burst or when external gated signals gated burst is applied any waveform could be used but noise can only be used in Gated Burst Press Burst button to enter the following interface Set the waveform parameters by using the operation menu Figure 2 45 Setting Interface of Burst Waveform Parameter ...

Страница 63: ...a burst Burst Period Carrier Period Burst Number Start Phase Define the start point in a waveform The phase varies from 0 to 360 and the default setting is 0 For an Arbitrary Waveform 0 is the first waveform point Function Menu Settings Explanation Period Set the burst Period Start Phase Set the start phase of the burst NCycle Gated Use the N Cycle mode Use the Gated mode Source Internal Choose in...

Страница 64: ...ycle 1 to 50 000 or Infinite If you choose Infinite then a continuous waveform will be generated which will not stop until a trigger event happens If needed Burst Period will increase to cater to the specific number of cycles For an infinite cycle burst external or manual trigger is needed to activate burst Function Menu Settings Explanation Cycles Infinite Set the number of the bursts in a N Cycl...

Страница 65: ...is 240ns Set the Gated Burst Press Burst Gated to enter the following interface Figure 2 48 Table 2 25 Menu Explanations of the Gated Burst Parameters Function Menu Settings Explanation NCycle Gated Set the NCycle mode Set the gated mode Polarity Positive Negative Set the polarity for the gated signal ...

Страница 66: ...ocumentation you save via CSV of the Oscilloscopes Figure 2 49 Save and Read Interface Figure 2 50 Table 2 26 Menu Explanations of Save and Recall Page 1 2 Function Menu Settings Explanation File Type State Data The setting of the generator Arbitrary waveform file Browser Directory File Shift between the directory and file Save Save the waveform to the appointed place Recall Recall the waveform or...

Страница 67: ...tile memories The state storage will memorize the selected function including the arbitrary waveform frequency amplitude DC offset duty cycle symmetry and other modulation parameter used To save the instrument state the procedures are given as followed 1 Choose the file type to store Press Store Recall Type State and choose state as the storage type 2 Choose the location of the file There are ten ...

Страница 68: ...e Interface 1 Install the USB Device Insert the USB Device into the USB interface on the front panel and the screen will show USB flash device plug in and storage menu will show USB Device A 2 Choose the USB Device Press Browser Directory move the cursor with the up or down direction key to select USB Device A Press the right key to open the lower directory use the up and down direction key to cho...

Страница 69: ...rd disk is not supported To Save a File Press Store Recall Store to enter the following interface Enter the desired file name in the File Name frame In the middle of the figure below is the input keypad used to edit the file name Use the up and down direction keys and knob to select the desired character use the left and right direction keys to edit the input file name Figure 2 52 File Storage Int...

Страница 70: ... Interface 1 Press InType En to enter the alphanumeric interface 2 Input the file name NEWFILE Use the Knob to adjust the cursor s horizontal position and the up and down keytoadjusttheverticalposition SelecttheCharacter N andpressSelect Function Menu Settings Explanation Input Type En English input Select Select the current character Delete Delete the current character Save Store the file with th...

Страница 71: ...ve inputted NEWFILE 3 Edit the File Name When you have entered a wrong character move the cursor to the wrong character to be deleted and press Delete to remove it Reenter the file name 4 Press Save to finish and save the file ...

Страница 72: ...eter setting for Load HighZ and Normal Inverse The System Setting provides the setting for Language Display Beep Screen Guard Format Power System Configure and default setting Test provides the self testing and calibration function Press Utility button to enter the Utility Menu Its functions are listed below in Figure 2 55 Figure 2 55 Table 2 28 Menu Explanations of Utility System Setting Page1 2 ...

Страница 73: ...DC On to enter the following interface Please note that there is a DC On sign at the middle left of the screen Figure 2 57 DC Setting Interface Function Menu Settings Explanation System Set the system configuration Test Cal Test and calibrate the instrument EditInfo Information of the system Update Update function ...

Страница 74: ... To Set IO Press Utility IO Setup to set the IO interface The equipment stands for RAW protocol and TMC protocol user may setup corresponding protocol by IO Setup To Set Output Parameter Press Utility Output Setup to enter the following interface Figure 2 58 Table 2 30 Menu Explanations of Output Setting Page 1 2 Function Menu Settings Explanation Load HighZ Set the load connected to the Output Co...

Страница 75: ...s for setting the load Press Utility Output Setup Load to enter the following interface Please note that the load parameter shown on the right bottom is the default setting when the power is on or the pre set load value If the current value is valid for the output then current value will be used Figure 2 59 Set the Output Load Instruction SFG 20X Series has a fixed 50Ω Series Impendence No matter ...

Страница 76: ... should be connected to the Sync connector activated When the Sync Signal is disabled the output voltage of the Sync connector is level low In the Inverse Mode the Waveform that corresponds to the Sync Signal does not inverse The Sync Signal is a Pulse Signal with fixed positive pulse width which is more than 50ns For non modulated waveform the Sync Signal reference is the carrier For internal mod...

Страница 77: ...ge 2 2 Function Menu Settings Explanation Number format Set the number format Language Set the display language Power On Default Last All the settings return to default when powered All the settings return to the last one when powered Set to Default Set all the settings to default Function Menu Settings Explanation Beep On Off Open beep Close beep ScrnSvr 1min 5min 15min 30min 1hour 2hour 5hour Ac...

Страница 78: ...he instrument is powered Beep Activate or deactivate the sound when an error occurs from the front panel or the remote interface Activate or deactivate any sound made by the button or knob on the front panel The current setting is stored in the non volatile memory 1 Set the Format Press Utility System Number Format to enter the following interface Off Deactivate the screen saver program ...

Страница 79: ...fferent choices of the point and the separator the format can have various forms 1 as point press Separator On the example is as followed Function Menu Settings Explanation Point Using dot to represent point Using comma to represent point Separator On Off Space Enable the Separator Close the Separator Use Space to separate ...

Страница 80: ...press Separator Off the example is as followed Figure 2 65 Set Format 4 as point press Separator Off the example is as followed Figure 2 66 Set Format 5 as point press Separator Space the example is as followed Figure 2 67 Set Format 6 as point press Separator Space the example is as followed Figure 2 68 Set Format ...

Страница 81: ...ge 3 To Return to Default Setting Press Utility System Set to Default to set the system to the default setting The default settings of the system are as followed Table 2 34 Factory Default Setting Output Default Function Sine Wave Frequency 1kHz Amplitude Offset 4Vpp 0Vdc Phase 0 Terminals High Z Modulation Default Carrier 1kHz Sine Wave Modulating 100Hz Sine Wave AM Depth 100 FM Deviation 500Hz K...

Страница 82: ...Sweep Default Start Stop Frequency 100Hz 1 9kHz Sweep Time 1S Trig Out Off Mode Linear Direction Burst Default Period 10ms Phase 0 Count 1Cycle Trig Off Trigger Default Source Internal ...

Страница 83: ...ity Test Cal to enter the following menu Figure 2 69 Test Cal function Menu Figure 2 70 Table 2 35 Menu Explanations of Test Setting Function Menu Settings Explain SelfTest Perform system self test SelfCal Do self calibration ...

Страница 84: ... Scr Test Select Scr Test to enter the screen test interface The clew words Press 7 Key to continue Press 8 Key to exit is displayed You could press the 7 for test Figure 2 72 Screen Test Interface Function Menu Settings Explain Scr Test Run screen test program Key Test Run keyboard test program LED Test Run LED test program ...

Страница 85: ...t all keys and knobs and you should also verify that all the backlit buttons illuminate correctly Note When you operate the screen would display the white color LCD The tested button or knobs corresponding area would display green color LCD At the bottom of the screen display Press 8 Key Three Times to exit information prompt to show that press 8 three times for quitting the test Figure 2 73 Key T...

Страница 86: ...eys the shapes with two arrows beside them represent the front panel knobs The clew words Press 7 Key to continue Press 8 Key to exit is displayed You could press the 7 button continuously for testing when buttons are lighted the corresponding area on the screen would display green color LCD Figure 2 74 Led Test Interface ...

Страница 87: ...2 Test Cal SelfCal to enter SelfCal as is shown in Figure 2 5 SelfCal do self calibration environment you use the generator changes system may calibrate data based on change of current environment Figure 2 75 SelfCal Interface ...

Страница 88: ...dition Information introduce Boot strap No The times of boot strap Software version Software version of current equipment Hardware version 02 00 00 21 25 represents ordinally PCB version BOM version Daughter card version FPGA version CPLD version Model Contains information of brand of product series bandwidth For example SFG 210 represents GLOBAL SPECIALTIES s 200 series ...

Страница 89: ...MHz Serial No Bit 1 6 represent maker and series of the product Bit 7 10 represent production date Bit 11 14 represent serial number of product For example SFG00004130008 represents the eighth generator made by GLOBAL SPECIALTIES in the fourth quarter of 2013 ...

Страница 90: ...r 2 Press the Utility button to enter the Utility Menu 3 Press 1 2 option button to enter the second page of Utility Menu 4 Press the Update option button 5 Press Brower option button to select Directory then select the USB Device A through direction key 6 Press Brower option button to select File then select the XXXX ADS file by direction key 7 Press the Recall option button to updating 8 After a...

Страница 91: ...tem Or you can get help about the operation of the front panel buttons with the help list Press Help to enter the following interface Figure 2 77 Help Menu Figure 2 78 Table 2 37 Help Menu Explanations Function Menu Settings Explanation Cursor upward to select Cursor downward to select Choice Select to read the information Th e im Th e im ...

Страница 92: ...wing topics Example 1 Generate a Sine Wave Example 2 Generate a Square Wave Example 3 Generate a Ramp Wave Example 4 Generate a Pulse Wave Example 5 Generate a Noise Wave Example 6 Generate an Arbitrary Wave Example 7 Generate a Sweep Wave Example 8 Generate a Burst Wave Example 9 Generate an AM Wave Example 10 Generate a FM Wave Example 11 Generate a PM Wave Example 12 Generate a FSK Wave Example...

Страница 93: ...it kHz The frequency is set to be 50kHz Set the amplitude 1 Press Ampl to choose Ampl which will display in white color 2 Input 5 from the keyboard and choose the unit Vpp The amplitude is set to be 5Vpp Set the Offset 1 Press Offset to choose Offset which will display in white color 2 Input 1 from the keyboard and choose the unit Vdc The offset is set to be 1Vdc When the frequency amplitude and o...

Страница 94: ...Figure 3 1 Sine Waveform ...

Страница 95: ... choose Ampl which will display in white color 2 Input 2 from the keyboard and choose the unit Vpp The amplitude is set to be 2Vpp Set the offset 1 Press Offset to choose Offset which will display in white color 2 Input 0 from the keyboard and choose the unit Vdc The Offset is set to be 0Vdc Set the duty 1 Press Duty to choose Duty which will display in white color 2 Input 30 from the keyboard and...

Страница 96: ...Figure 3 2 Square Waveform ...

Страница 97: ...be 10µs Set the amplitude 1 Press Ampl to choose Ampl which will display in white color 2 Input 100 from the keyboard and choose the unit mVpp The amplitude is set to be 100mVpp Set the offset 1 Press Offset to choose Offset which will display in white color 2 Input 20 from the keyboard and choose the unit mVdc The offset is set to be 20mVdc Set the phase 1 Press Phase to choose Phase which will d...

Страница 98: ...mmetry which will display in white color 2 Input 30 from the keyboard and choose the unit 30 The symmetry is set to be 30 When the period amplitude offset phase and symmetry are set the wave generated is shown in Figure 3 3 Figure 3 3 Ramp Waveform ...

Страница 99: ... Set the high level 1 Press Ampl and choose the HLevel which will display in white color 2 Input 5 from the keyboard and choose the unit V The high level is set to be 5V Set the low level 1 Press Offset and choose the LLevel which will display in white color 2 Input 1 from the keyboard and choose the unit V The low level is set to be 1V Set the pulse width 1 Press PulWidth and choose PulWidth whic...

Страница 100: ...g Edge which will display in white color 2 Input 20 from the keyboard and choose the unit ns The delay is set to be 20ns When the frequency high level low level pulse width and delay are set the wave generated is shown in Figure 3 4 Figure 3 4 Pulse Waveform ...

Страница 101: ...ress Noise Stdev 2 Input 10 from the keyboard and choose the unit mV The amplitude is set to be 10 mV Set the mean 1 Press Mean 2 Input 5 from the keyboard and choose the unit mV The offset is set to be 5 mV When the amplitude and offset are set the wave generated is shown in Figure 3 5 Figure 3 5 Noise Waveform ...

Страница 102: ...requency 1 Press Freq and choose Frequency which will display in white color 2 Input 5 from the keyboard and choose the unit MHz The frequency is set to be 5MHz Set the amplitude 1 Press Ampl to choose Ampl which will display in white color 2 Input 2 from the keyboard and choose the unit Vrms The amplitude is set to be 2Vrms Set the offset 1 Press Offset to choose Offset which will display in whit...

Страница 103: ...the wave generated is shown in Figure 3 6 Figure 3 6 Sinc Waveform ...

Страница 104: ...play in white color Input 5 from the keyboard and choose the unit kHz to set the frequency 5kHz 2 Press Ampl to choose Ampl which will display in white color Input 5 from the keyboard and choose the unit Vpp to set the amplitude 5Vpp 3 Press Offset to choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the sweep time Press Sw...

Страница 105: ...nput 10 from the keyboard and choose the unit kHz to set stop freq 10kHz Set the Sweep Mode Press 1 2 Linear and choose Linear When all parameters above are set the linear sweep wave generated is shown in Figure 3 7 Figure 3 7 Sweep Waveform ...

Страница 106: ...keyboard and choose the unit kHz to set the frequency 10kHz 2 Press Ampl to choose Ampl which will display in white color Input 1 from the keyboard and choose the unit Vpp to set the amplitude 1Vpp 3 Press Offset to choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the sweep mode Press Burst N Cycle choose N Cycle Mode Set ...

Страница 107: ... the keyboard and choose the unit Cycle to set the burst cycle 5 Set the delay Press Delay and input 100 from the keyboard and choose the unit µs to set the delay 100µs When all parameters above are set the wave generated is shown in Figure 3 8 Figure 3 8 Burst Waveform Output ...

Страница 108: ...white color Input 1 from the keyboard and choose the unit Vpp to set the amplitude 1Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type AM and parameters 1 Press Mod Type AM choose AM Please notice that the message shown on the middle left side of the screen is AM 2 Press AM Freq inp...

Страница 109: ...Figure 3 9 AM Waveform ...

Страница 110: ... in white color Input 1 from the keyboard and choose the unit Vpp to set the amplitude 1Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type FM and parameters 1 Press Mod Type FM choose FM Please notice that the message shown on the middle left side of the screen is FM 2 Press FM Freq...

Страница 111: ...10 Figure 3 10 FM Waveform ...

Страница 112: ...ite color Input 5 from the keyboard and choose the unit Vpp to set the amplitude 5Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type PM and parameters 1 Press Mod Type PM choose PM Please notice that the message shown on the middle left side of the screen is PM 2 Press PM Freq input...

Страница 113: ...Figure 3 11 PM Waveform ...

Страница 114: ... display in white color Input 5 from the keyboard and choose the unit Vpp to set the amplitude 5Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type FSK and parameters 1 Press Mod Type FSK choose FSK Please notice that the message shown on the middle left side of the screen is FSK 2 P...

Страница 115: ...Figure 3 12 FSK Waveform ...

Страница 116: ...ress Ampl and choose Ampl which will display in white color Input 5 from the keyboard and choose the unit Vpp to set the amplitude 5Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type ASK and parameters 1 Press Mod Type ASK choose ASK Please notice that the message shown on the middl...

Страница 117: ...Figure 3 13 ASK Waveform ...

Страница 118: ... set the amplitude 5Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc 5 Press PulWidth and choose PulWidth which will display in white color Input 40 from the keyboard and choose the unit us to set the PulWidth 40us Set the modulation type PWM and parameters 1 Press Mod Type PWM Please notice that the mes...

Страница 119: ...14 Figure 3 14 PWM Waveform ...

Страница 120: ...s Ampl and choose Ampl which will display in white color Input 4 from the keyboard and choose the unit Vpp to set the amplitude 4Vpp 4 Press Offset and choose Offset which will display in white color Input 0 from the keyboard and choose the unit Vdc to set the offset 0Vdc Set the modulation type DSB AM and parameters 1 Press Mod Type DSB AM choose DSB AM Please notice that the message shown on the...

Страница 121: ...Figure 3 15 DSB AM Waveform ...

Страница 122: ...t In case there is any mechanical damage or defect or the instrument does not operate properly or fails performance tests notify the GLOBAL SPECIALTIES sales representative If the shipping container is damaged or the cushioning materials show signs of stress notify the carrier as well as the GLOBAL SPECIALTIES sales department Keep the shipping materials for carrier s inspection 3 Check the access...

Страница 123: ...rned on 3 After the inspections above restart the waveform generator 4 If the generator still doesn t work after the checking please contact GLOBAL SPECIALTIES 2 If there is no signal wave output after setting the parameters please do as following steps 1 Check whether the BNC cable has connected with output channel or not 2 Check whether the output button have been turned on or not ...

Страница 124: ...de repair or replacement as described in the complete warranty statement To arrange for service or obtain a copy of the complete warranty statement please contact your nearest GLOBAL SPECIALTIES sales and service office Except as provided in this summary or the applicable warranty statement GLOBAL SPECIALTIES makes no warranty of any kind express or implied including without limitation the implied...

Страница 125: ...anch Parkway Yorba Linda CA 92887 info globalspecialties com 800 572 1028 6 Appendix Appendix A Accessories SFG 20X Series Function Arbitrary Waveform Generator Accessories Standard Accessories Quick Start Guide printed Power Cord USB Cable ...

Страница 126: ...t from all power sources and clean it with a mid detergent and water Make sure the instrument is completely dry before reconnecting it to a power source To clean the exterior surface perform the following steps 1 Remove loose dust on the outside of the instrument with a lint free cloth Use care to avoid scratching the clear plastic display filter 2 Use a soft cloth dampened with water to clean the...

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