PeakTech 4065 Bedienungsanleitung Seite 39

* Offset setting: set DC offset as -1Vdc
Press【Offset】key and select "V DC" unit, press【-】【1】【V DC】.
* Common waveform selection: select square
Press【Shift】【Square】.
* Duty cycle setting: set square duty cycle as 20％
Press【Duty】key, press【2】【0】【％】.
* Other waveform selection: select exponent waveform sequence number 5, see waveform sequence
number table)
Press【Shift】【Waveform】key, press【5】【#】.
* Output mode selection: the phase of output signal is the opposite of the one of sync signal
Press【Menu】key, select "Mode" option and press 【1】【#】.
3.6.2. CHB continuous
* CHB continuous: CHB outputs stable and continuous signal with continuous.
Press【Shift】【CHA/CHB】key, select "CHB" option and set CHB parameters.
* AB phase difference setting: set the phase difference of CHA and CHB as 90°
Press【Menu】key, select "Phase" option and press【9】【0】【°】.
* Other parameter setting of CHB is the same as the one of CHA.
3.6.3. Frequency modulation function
* Frequency modulation function: set the CHA continuous as 20 kHz first.
Press【FM】key to output frequency modulation signal.
* Modulation frequency setting: set modulation frequency as 10Hz
Press【Menu】key, select "Mod_f" option and press【1】【0】【Hz】.
* Frequency deviation setting: set frequency deviation as 2kHz
Press【Menu】key, select "Devia" option and press 【2】【kHz】.
* Modulation waveform setting: set the modulation waveform as Ramp
Press【Menu】key, select "Shape" option and press【2】【#】.
* Modulation source setting: set external modulation source
Press【Menu】key, select "Source" option and press【1】【#】.
* Return back to continuous function: Under frequency modulation, press 【FM】key to return back to
continuous function.
3.6.4. Amplitude modulation function
* Press【AM】key to output amplitude modulation signal.
* Modulation frequency setting: set modulation frequency as 1 kHz
* Press【Menu】key, select "Mod_f" option and press【1】【kHz】.
* Modulation amplitude depth setting: set modulation amplitude depth as 50％
* Press【Menu】key, select "Depth" option and press【5】【0】【％】.
* Modulation waveform setting: set modulation waveform as sinewave
* Press【Menu】key, select "Shape" option and press【0】【#】.
* Modulation source setting: set internal modulation source
* Press【Menu】key, select "Source" option and press【0】【#】.
* Return back to continuous function: Under amplitude modulation, press【AM】key to return back to
continuous function.
3.6.5. Phase modulation function
* Phase modulation function: Press【PM】key to output phase modulation signal.
* Modulation frequency setting: set modulation frequency as 10 kHz
Press【Menu】key, select "Mod_f" option and press【1】【0】【kHz】.
* Phase deviation setting: set phase deviation as 180°
Press【Menu】key, select "Devia" option and press【1】【8】【0】【°】.
* Modulation waveform setting: set modulation waveform as square
Press【Menu】key, select "Shape" option and press【1】【#】.
* Modulation source setting: set external modulation source
Press【Menu】key, select "Source" option and press【1】【#】.
* Return back to continuous function: Under phase modulation, press 【 PM 】 key to return back to
continuous function.
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