NF WF1943B, Instruction Manual

Page: 139 / 156

8.1 Waveform and output response
WF1943B
8-3
Noise Noise source: pseudo-M-series by 42-step shift register
Period 30.518 hours, Spectrum interval
9.1022 µHz
White noise bandwidth (equivalent noise bandwidth): about
500 kHz
Peak factor (crest factor): 6
Amplitude can be set in Vp-p.
rms value = (Vp-p set point)
÷
2
÷
(peak factor)
Binary output: Outputs from SYNC OUT during NOISE mode.
z Output characteristics (FUNCTION OUT)
Amplitude frequency
characteristics
spectrum purity
Total harmonic distortion
Harmonic spectrum
Spurious output
waveform characteristics
Duty
Continuous oscillation, 50
Ω
load, DC offset 0 V, amplitude
setting 10 Vp-p/50
Ω
, normalized frequency 1 kHz, effective
rms value measurement
Up to 1 MHz: +0.2 dB,
−
0.3dB
1 MHz to 3 MHz: +0.35 dB,
−
0.7 dB
3 MHz to 10 MHz: +0.5 dB,
−
1.5 dB
10 MHz to 15 MHz: +0.5 dB,
−
2.0 dB
Up to 1 MHz:
±
0.3 dB
Up to 500 kHz:
±
0.3 dB
, Up to 500 kHz:
±
0.5 dB
Continuous oscillation, 50
Ω
load, DC offset 0 V,
amplitude setting 10 Vp-p/50
Ω
,
10 Hz
−
100 kHz: 0.2 % and below (bandwidth: 500 kHz)
100 kHz to 1 MHz:
−
50 dBc
1 MHz to 15 MHz:
−
30 dBc
Up to 15 MHz:
−
35 dBc
Continuous oscillation, 50
Ω
load, DC offset 0 V,
amplitude setting 10 Vp-p/50
Ω
,
Rise and fall time: 20 ns and below
Overshoot: 5 % and below
Continuous oscillation, 50
Ω
load, DC offset 0 V,
amplitude setting 10 Vp-p/50
Ω
(50 % fixed duty)
Up to 1 MHz:
±
1 % of the period
1 MHz to 10 MHz:
±
3 % of the period
10 MHz to 15 MHz:
±
5 % of the period
(duty variable)
Up to 100 kHz:
±
1 % of the period
Jitter: 30 nsp-p and below