5.19.3. Frequency shift keying function
Hop frequency:
4 kHz
Hop rate:
1 kHz
Modulation waveform: square
Trigger source:
internal
5.19.4. Frequency sweeping function
Start frequency: 100H
End frequency: 1 kHz
Sweep time:
3s
Sweep mode:
linearity
Trigger source: Internal
5.19.5. Burst
Repeated period: 10 ms
Pulse count:
3
Start phase:
0°
Trigger source:
Internal
5.20. Firmware version
Under CHB tone, press
【
Menu
】
key, the firmware version of the generator will be displayed:
xxxx.xx, which is helpful when repair and could not be set or change.
6. Chapter 5: Specifications (see note 1)
6.1 Output characteristics of CHA and CHB
6.1.1. Waveform characteristics
Standard waveforms: Sine, Square, Ramp, Pulse, Noise, Exponent, Logarithm , SINC, half-round,
Cardiogram, Quake.
Arbitrary: 5 waveforms
6.1.2. Sinewave spectral purity
Harmonic distortion: (1Vpp)
≤
-40 dBc (
≤
5 MHz)
≤
-35 dBc
（
>5MHz)
Total distortion:
(20 Hz ~ 20 kHz, 20 Vpp)
≤
0.5%
6.1.3. Square, pulse and Ramp characteristics
Edge time of square and pulse:
≤
35ns
Overshoot:
≤
10%
Duty cycle of square:
0.1% ~ 99.9% (Limited by edge time)
Pulse width:
100 ns ~ 2000 s
Ramp symmetry:
0.0% ~ 100.0 %
6.1.4. Arbitrary characteristics
Waveform length:
4096 points
Sampling rate:
100 MSa/s
Amplitude resolution: 10 bits
Bandwidth of filter:
50 MHz
Non-volatile memory: 5 waveforms
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