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TFG2900A Series Function/Arbitrary Waveform Generator Users’ Guide

Suin Instruments Co., Ltd

Press soft key

〖

Wform Recall

〗

to enter the interface of’ file management’, press soft keys

〖

Open

Dir

〗

and

〖

Options

〗

, select a file and press soft key

〖

Arb Recall

〗

to recall and display it.

3.16.14 Computer edit

Using the keyboard to edit an arbitrary waveform, which can be modified randomly, is only

applied to a simple waveform edition. For complicated waveform edition, computer edit than

rather than keyboard edit will be recommended. For details, please refer to how to use arbitrary

waveform edition software.

3.17Waveform Sequence

As the test tasks become more complicated, the requirements for waveform generator are higher

than ever. Except of output a single waveform, it also require multi waveforms are lined up as

sequence according to requirement, and each waveform could be set length and times to repeat,

thus to generate a more longer and complicated waveform.

The waveforms in sequence are all built-in waveforms.

3.17.1 Function Selection

Press

【

Waveform Sequence

】

key and enter waveform sequence function to display wavefo

rm sequence list and menu.

3.17.2 Sequence settings

Waveforms sequence has 1024 units, each unit can load a waveform parameter, including

waveform’s No., length and times to repeat, each unit has a number and be called it seria

l number.

Take below table as an example, to customize a sequence consisting of three units, that’s

to say, a sequence is composed of three waveforms, see below:

Serial number Waveform

Times to repeat

Length

Unit1

Sine

128

Unit2

Ramp

Unit3

Third harmonic

4096

The operating steps are as follows:

Содержание TFG2900A Series

Страница 1: ...User s Guide TFG2900A Series Function Arbitrary Waveform Generators Suin Instruments Co Ltd 08 2021...

Страница 2: ...time could be set Double Pulse Pulse width and time interval of the two Pulses could be set separately Phase Characteristic The phase and polarity that output signal relative to synchronizing signal...

Страница 3: ...ing sweep burst double pulse frequency and waveform sequence External Clock It can automatically test and use external base clock Internal reference clock can be output Counter It can test external si...

Страница 4: ...er cord 1 BNC testing cable 1 WIFI Antenna 1 CD 1 Note This document may include technical inaccuracy and it is only a usage guide for the instrument Suin Instruments Co Ltd will not make any promise...

Страница 5: ...truction 21 3 1 Working Mode 21 3 2 Continuous Output 21 3 3 Frequency Modulation 30 3 4 Amplitude Modulation 31 3 5 Phase Modulation 33 3 6 Pulse Width Modulation 34 3 7 Sum Modulation 35 3 8 FSK Mod...

Страница 6: ...Users Guide Suin Instruments Co Ltd 6 3 22 Clock Calibration 80 3 23 Signal Port 81 3 24 Communication Port 82 3 25 Frequency Reference 83 3 26 Default Setting 84 3 27 Frequency Counter option 86 Chap...

Страница 7: ...e test If anything is missing please contact sales office 1 1 2 Connect the power Turn on the instrument only the following conditions are met Voltage AC 100 240V Frequency 45 65Hz Temperature 0 40 Hu...

Страница 8: ...play Menu soft keys Knob Function keys Number keys On Off Switch USB port Direction keys CH1 CH2 CH3 CH4 Output Modulate input of CH1 CH2 CH3 CH4 Sync output Counter input LAN interface Fan Power Sock...

Страница 9: ...select CH1 CH2 Key to select CH2 CH3 Key to select CH3 and only available on 4 channel models CH4 Key to select CH4 and only available on 4 channel models 0 1 2 3 4 5 6 7 8 9 10 Numerical keys Key is...

Страница 10: ...t 1 4 1 Menu operation Screen s right side is operating menu press the soft keys besides this menu and select one of them you want to set while the background of chosen item will turn light and you ca...

Страница 11: ...ust When a parameter is chosen there will be backlight in it and also a white line called cursor position under a number Press or the cursor position will move to left or right While adjust the knob t...

Страница 12: ...need to be selected by pressing More and they are standard wave mathematical wave linear wave combination wave window function special wave Press one of the soft keys you can open the waveform list i...

Страница 13: ...t Frequency the matched backlight turns light Press 2 5 keys to input the parameter value then press kHz or Enter frequency parameter will be 2 500 000 000kHz Instrument will output signals according...

Страница 14: ...ws shown You can also use knob and to set the DC offset 1 5 7 Amplitude modulation If you want to output an amplitude modulation wave with carrier wave Sine 10kHz frequency 1Vpp amplitude 0Vdc offset...

Страница 15: ...bove parameters continuously 1 5 8 Sum modulation If add a Ramp on the output waveform sum amplitude 50 please operate as following steps Press Modulate then press Type there will be modulation type m...

Страница 16: ...rate as following steps Press Modulate then press Type to display modulation type menu press FSK to set modulation type to be FSK then frequency shift keying wave will display in diagram area and the...

Страница 17: ...ument will output sweep wave according to the setting as follows shown 1 5 11 Burst output If output a burst wave of which burst period 10ms 5 burst counting cycles continuous or single manual trigger...

Страница 18: ...ent menu Press soft keys of Target Channel CH3 select the CH3 as the target channel CH 1 is source channel and CH3 is target channel Press FreqCpl set it to On Press CH1 to enter continuous work mode...

Страница 19: ...peration and then use it better 2 1 Principle block diagram After the digit analog converter two same channels CHA and CHB are separated Following block diagram is just one of them ADSP FPGA D A Ampli...

Страница 20: ...tification data and then converts to analog voltage through D A and operational amplifier Waveform data is discontinuous sampling data what DDS generator outputs is a staircase sine waveform Higher ha...

Страница 21: ...gnals 3 1 2 Modulation output it can output modulation signals such as FM AM PM PWM SUM FSK PSK ASK OSK etc 3 1 3 Frequency sweep Linear and Log sweep are supported 3 1 4 Burst output it can output bu...

Страница 22: ...gentH 22 Erf 23 Erfc 24 HaverSine 25 Sinc 26 ExpRise 27 ExpFall 28 LogRise 29 LogFall 30 PosSquare 31 NegSquare 32 PosCube 33 NegCube 34 SquareRoot 35 PosRecipro 36 NegRecipro 37 PNRecipro 38 BiRecipr...

Страница 23: ...lCut 89 BiPhaselCut 90 SinePulse 91 NoisePulse 92 BiHarmo 93 TriHarmo 94 FourthHarmo 95 FifthHarmo 96 SineFM 97 SineAM 98 SquareAM 99 NoiseAM 100 PulsePWM 101 SineFSK 102 SineFSK 103 SinePSK 104 SineS...

Страница 24: ...hich are used to store user defined arbitrary waveforms 165 is harmonic waveform which is used to store harmonic waveform user defined Press More to display the waveform selection menu and 6 types wav...

Страница 25: ...e width period 3 2ns When pulse wave s frequency is changing not exceeding the above rule pulse width will remain unchanged But if it exceeds instrument will modify pulse width value automatically to...

Страница 26: ...or period setting is allowed but in actual frequency combination way is used into instrument and converts it when data is inputting and displaying 3 2 5 Amplitude setting There are two modes of amplit...

Страница 27: ...tness output compensation is provided and the output amplitude will be accurate But in other function flatness output compensation is unavailable output amplitude will fall down as the frequency s ris...

Страница 28: ...stipulated instrument will modify it to limit it to the allowable value While using knobs to adjust DC offset is easier than operation using number keypad No matter DC offset is positive value or nega...

Страница 29: ...external load to high impedance Press Res you can set the actual value of external load The amplitude and offset s displaying value will change accordingly when setting for external load changing But...

Страница 30: ...t will set parameters to allowable limit value and may modify the relevant parameters At this time if press Cancel or wait for a minute instrument will cancel the current setting Although the out of r...

Страница 31: ...carrier frequency 3 3 5 Modulation waveform Most of the built in waveforms could be used as modulation waveform but some may be not suitable Press Shape to choose modulation signal s waveform 3 3 6 M...

Страница 32: ...2 2 Amin 1 M A 2 2 Modulation depth can be derived from the two formulas above M Amax Amin 1 1 A If modulation depth is 120 Amax A Amin 0 09A If modulation depth is 100 Amax 0 909A Amin 0 If modulatio...

Страница 33: ...setting interface to set its parameter 3 5 3 Phase deviation Press PhaseDev you can set phase difference value Phase deviation means carrier phase s variation quantity when modulation signal reaches f...

Страница 34: ...deviation Press WidthDev you can set pulse width deviation value Pulse width deviation means in the pulse width modulation the percent of carrier wave s pulse width variation quantity to pulse width...

Страница 35: ...to set carrier wave s parameter Press Modulate again to enter modulation parameter setting interface to set its parameter 3 7 3 Sum amplitude Press SumAmpl you can set sum amplitude value Superpositio...

Страница 36: ...ulation type will be FSK 4FSK nFSK and display the FSK waveform s diagram and menu 3 8 2 Carrier setting Usually sine is used as carrier wave Of course other built in waveforms can also be used but so...

Страница 37: ...n Out port of CH1 and input the higher from Trig In Out interface of CH2 When CH2 is set to external trigger Input the lower trigger signal from rear panel s Trig In Out port of CH2 and input the high...

Страница 38: ...ation In PSK the phase of output signal hops between carrier phase and hop phase alternately and hop rate depends on shift keying rate 3 9 1 Function selection Press Modulate to enter modulation funct...

Страница 39: ...ar panel s Trig In Out port of CH1 and input the higher from Trig In Out port of CH2 When CH2 is set to external trigger input the lower trigger signal from rear panel s Trig In Out port of CH2 and in...

Страница 40: ...the amplitude of output signal hops between carrier amplitude and hop amplitude alternately and hop rate depends on shift keying rate 3 10 1 Function selection Press Modulate to enter modulation funct...

Страница 41: ...When trigger signal is 0 instrument will output hop amplitude 3 10 8 Sync output Sync signal s duty cycle is 50 and sync signal s frequency is equal to ASK rate When carrier amplitude is output sync...

Страница 42: ...tain the burst signal s cycle numbers instrument will change delay time cycle numbers and burst period value automatically to the allowable minimum value 3 11 6 Cycle numbers press Cycles to set burst...

Страница 43: ...he last cycle waveform is completed When it is negative When gate control signal is 0 burst signal will output from start phase When gate control is 1 burst signal will stop outputting to the level co...

Страница 44: ...ing edge s middle point of first pulse to falling edge s middle point 3 12 3 Second pulse width Press Second Width to set second pulse width Pulse width means the lasting time from rising edge s middl...

Страница 45: ...al trigger source and double pulse frequency and period setting will be ignored Input external signal from rear panel s Trig In Out port But external trigger signal s period should conform to the foll...

Страница 46: ...means it s amplitude value If harmonic amplitude is set to 0 this harmonic will not affect The amplitude of each harmonic could be set randomly If the amplitude value of final synthesized arbitrary wa...

Страница 47: ...nthesize the harmonic will be needed When amplitude value of final synthesized waveform exceeds the amplitude limits of device prompt will pop up to reminder user to pay attention to it 3 13 7 Harmoni...

Страница 48: ...Har to edit or output Edited harmonic sequence doesn t influence the parameters of harmonic before editing in User_Harm 3 13 10 Harmonic storage If you store the synthesis harmonic to RAM storage it w...

Страница 49: ...imilar as FM with modulating waveform ramp the difference between which is that no modulating wave needed for sweep just output discrete points in interval continuously In Log mode frequency step is n...

Страница 50: ...trigger signal from Trig In Out port in rear panel Each effective trigger clock edge will trigger once sweep the period of trigger signal should greater than the total time of one sweep as below form...

Страница 51: ...is used 3 15 1 Function Select Press Sweep key then soft key Type and select List to enter it s interface 3 15 2 Sample Rate Press the soft key Sample to set the sampling rate of the frequency list T...

Страница 52: ...e sweep each time you press Manual Trig soft key If External selected generator takes external source input external trigger source from Trig In Out port in rear panel Each effective trigger edge will...

Страница 53: ...xternal or manual trigger is selected the sync signal will be determined external trigger or manual trigger signal 3 15 9 List storage If you store the frequency lists to RAM storage it will be lost o...

Страница 54: ...hich is not allowed in severe test To reproduce the real electrical signals at work site truly now most of waveform generators use point by point way to generate arbitrary waveform to ensure the compl...

Страница 55: ...ess Build Params soft key and display a setting box User can set parameters for the waveform that will be inserted as below picture shown Amplitude Amplitude peak to peak value of the inserted wavefor...

Страница 56: ...Set total point number to be 20 0 and no set for other options Press Back soft key continuously to return to the arbitrary wave editing interface a Si ne with 200 points is inserted on basis of previ...

Страница 57: ...f ewer points For example make local modifications for a Sine with 100 points insert and delete wavef orm points Firstly insert a Sine with 100 points and amplitude 1Vpp Press Points Edit soft key to...

Страница 58: ...venien t when there are lots of wave points need to be set Then line edition can solve the prob lem Under this function user only needs to set two points then all points between the t wo points will b...

Страница 59: ...V and the crossing point of the green cursor is the starting point of the line segment Press X2 soft key to set the coordinate value of the stop point X2 to 55 Press Y 2 soft key to set the coordinate...

Страница 60: ...orms composed of three built in waveforms Inset below three waveforms with different setting user will find the influence that differe d settings for waveform caused to inserted waveform from display...

Страница 61: ...th e crossing point of red cursor is the end point of waveform block The waveform block i s selected as the second half of the tangent waveform Press PosSel soft key and set the coordinates of the in...

Страница 62: ...o be copied and ahead of the Sinc Press Execute soft key The selected waveform block will be copied to the specified loc ation and covers the original Sinc behind of copy point The block copy operatio...

Страница 63: ...waveform block Press X2 soft key to set the stop point of the waveform block to 150 and the crossin g point of the red cursor is the end point of the waveform block Press Execute soft key and the reve...

Страница 64: ...lay the fine par ts of the waveform For example zoom and shift the Sine with 1000 points Firstly insert a Sine with 1000 points and amplitude 1Vpp Use point edition function to modify X coordinate to...

Страница 65: ...nd waveform point 400 4 000V will displ ay more clearly and reset the zoom ration to 200 Vertical Zoom Press Point soft key and set the horizontal coordinate of mark point to 260 Then observe another...

Страница 66: ...ll be displayed again 3 16 8 Waveform Length After editing to arbitrary waveform then load it s data into RAM memory and the instru ment can output arbitrary waveform edited by the user Press Wave Len...

Страница 67: ...he current waveform is stored as built in waveform and won t lost even power off Please note that the fixed length of the built in waveform is 16384 points If the user defined waveform length is less...

Страница 68: ...cept of output a single waveform it also require multi waveforms are lined up as sequence according to requirement and each waveform could be set length and times to repeat thus to generate a more lon...

Страница 69: ...setting waveform sequence is output 3 17 3Sample rate Press Sample Rate soft key to set sampling rate of the waveform sequence That is t o say the sampling point number in one second of waveform sequ...

Страница 70: ...f a complete waveform sequence when the trigger mode is set to sequence The waveform sequence will output one cycle of waveform signals for each valid trigger when the trigger mode waveform is selecte...

Страница 71: ...shown The period of synchronous signal is related to the waveform numbers and times to repeat In the waveform sequence when the waveform is selected Follow the Settings in the ab ove example the numb...

Страница 72: ...use 3 17 10 Sequence Recall After entering the operation interface of arbitrary wave sequence press soft keys Store Recall and Recall File to enter the file management interfaces if arbitrary sequenc...

Страница 73: ...target channel again in other modes The setting is not available for 2 channel model 3 18 5 Frequency Coupling With frequency coupling function generator can make frequency output of channels relates...

Страница 74: ...ase soft key and select the channel to be alignment and press ConfirmAlign soft key the synchronization signal of the selected channel can be aligned with the CH1 phase At this moment the phase differ...

Страница 75: ...r to sub directory area then use up down key to select the file you want to open Press Open Dir to show the next directories and files whose type meets with the operation requirement The files can be...

Страница 76: ...eded When finish file name press Complete to save the file Generator will add the right suffix behind the file name The new file can be shown in the Sub directory Area 3 19 4 Delete file Choose the re...

Страница 77: ...enerator will automatically recall the last setting that before power off the generator For continuous work user can set the power on state as Last to reduce the repeated operation every time they tur...

Страница 78: ...l when use next time Press StateStore soft key to store the current state into state file and recall it by pressing StateRecall soft key 3 20 6 Network setting Press Net Set enables users to set param...

Страница 79: ...firmware and control program of instrument If the update is failing it will cause the abnormal work of device and users have to return factory to repair Therefore please take care to use this function...

Страница 80: ...ed file suffix as bin Press Options SeleChannel CH and message CH system will be upgraded Do you want to continue will be shown on the screen then press Confirm and generator will start to update firm...

Страница 81: ...instrument 1 Signal output port CH1 CH2 CH3 and CH4 only CH1 and CH2 are available for 2 channel models All are located in front panel and out signal from corresponding chann el 2 Signal output port S...

Страница 82: ...output the triggered port will output the number 1 during the output of the burst signal and the triggered port will output the number 0 during the burst signal is closed If the current function is fr...

Страница 83: ...other devices or the external clock with higher precision can be used to further improve the accuracy of output frequency The clock input port adopts ac coupling mode of transformer and there is no c...

Страница 84: ...larity Positive Output Port Off External Load High Z 3 26 2 Modulated output FM AM PM PWM Sum Frequency Difference 500Hz Phase Deviation 90 AM Depth 100 Modulating Frequency 100Hz Pulse Width Differen...

Страница 85: ...er Source internal Remain Time 0s Trigger Output close 3 26 7 Frequency Sequence Sample Rate 1Hz Trigger Source Internal Sequence Length 20 Trigger Output closed Sequence Mode Customized sequence Freq...

Страница 86: ...ace USB 3 27 Frequency Counter option The frequency counter has four functions to measure the frequency period pulse width and duty cycle of input signal The default setting is frequency measurement l...

Страница 87: ...is AC 3 27 4 Input Impedance Press softkey Imped to set input impedance of counter and default setting is M 3 27 5 Bandwidth Limit Press softkey BW Limit to set bandwidth of frequency counter of which...

Страница 88: ...p or replace these defective ones based on the detailed provisions of the warranty Except guarantees of this outline and warranty we factory make no any other forms of expressed or implied guarantees...

Страница 89: ...165 kind of waveforms including Sine Square Ramp Pulse Noise DC PRBS Pseudorandom Binary Sequence User defined Arbitrary User defined Harmonic and so on Sample rate 1 2GSa s Amplitude resolution 14 bi...

Страница 90: ...width 5ns 20s Second pulse width 5ns 20s Time Interval 5ns 20s Pulse width and interval time resolution 5ns Pulse Status positive pulse negative pulse positive and negative pulse Trigger source Inter...

Страница 91: ...Accuracy Sine 1kHz 10mVpp high impedance of settings value 1 1mV Flatness Sine 0dBm relative to 10MHz 0 2dBm frequency 100MHz 0 3dBm frequency 200MHz 0 4dBm frequency 300MHz 0 5dBm frequency 300MHz U...

Страница 92: ...0 to 100 Modulating Source Internal and External 5 2 2 FSK 4FSK NFSK PSK 4PSK NPSK ASK and OSK Carrier Waveforms Sine Square Ramp and so on FSK Frequency 1 Hz to upper frequency limits Hop Phase 0 to...

Страница 93: ...ce Internal external manual 5 5 Frequency Sequence 5 5 1 Sequence waveform Sine Square Ramp etc 5 5 2 Frequency Range 1 Hz upper frequency limit 5 5 3 Sequence Mode Customized sequences pseudo random...

Страница 94: ...ing mode 5 8 3 Output level TTL compatible 5 8 4 Output impedance 50 typical value 5 8 5 Port grounding The signal is isolated from the case 5 9Modulation Trigger Input 5 9 1 Modulation Input 2 5Vpp f...

Страница 95: ...perating characteristics All key operation knob continuous adjustment English and Chinese menu 5 12 4 Display 7 colorful TFT LCD Touch screen pixel 800 480 5 12 5 Dimensions Weight 363mm 154mm 327mm A...

Страница 96: ...GHz Dynamic range 15dBm 13dBm Sine Frequency 100MHz 2 0GHz 10dBm 13dBm Sine Frequency 2 0GHz 3GHz Input Impedance 50 Coupling mode AC 5 14 OCXO option 5 14 1 Accuracy 0 01ppm 1 Hz 0 40 5 14 2 Aging Ra...

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