B&K Precision 4084-4087 - Manual User Manual
Page 8
4080 series Function & Arbitrary/Function Generators –Instruction Manual
8
DC Offset Characteristics
Offset Range (open circuit)
Freq ≤ 40MHz): ±10Vpk ac + dc (Offset ≤ 2×peak-to peak amplitude)
Freq > 40MHz): ±2Vpk ac + dc
(Offset ≤ 2×peak-to peak amplitude)
Resolution:
2µV (open circuit), 1µV (50Ω)
Offset Error: ±5% of setting +10mV (Ampl. ≤ 2Vpp into open circuit)
±5% of setting +20mV (Ampl. > 2Vpp into open circuit)
AM Characteristics
Carrier Waveforms:
sine or square
Carrier Frequency Range:
same as main waveforms
Modulation Source
internal or external
Modulating Waveform:
5 internal waveforms (sine, square, triangle, rising/falling ramp)
Frequency of modulating signal: 100µHz ~ 20kHz
Distortion:
≤ 2%
Modulation Depth:
1% ~ 120%
1% ~ 80% (frequency>40MHz, Ampl > 2Vpp into open circuit)
Modulation Error:
± 5%+0.2%
(100µHz < frequency ≤ 10kHz)
±10%+2%
(10kHz < frequency ≤ 20kHz)
Amplitude of ext. input signal:
3Vp-p (-1.5V~ +1.5V)
FM Characteristics
Carrier Waveforms
sine or square
Carrier Frequency Range:
same as main waveforms
Modulation Source:
internal or external
Modulating Waveform:
5 internal waveforms (sine, square, triangle, rising/falling ramp)
Frequency of modulating signal: 100µHz ~ 10kHz
Peak Frequency Deviation:
Max. 50% of carrier frequency for internal FM
Max 100kHz (carrier frequency≥5MHz) for external FM,
with input signal voltage 3Vp-p (-1.5V~+1.5V)
FSK Characteristics
Carrier Waveform
sine or square
Carrier Frequency Range:
same as main waveforms
Control Mode
internal or external trigger (external: TTL level, low level F1,
high level F2)
FSK Rate:
0.1ms ~ 800s
PSK Characteristics
Waveform:
sine or square
Frequency Range:
same as main waveforms
PSK:
Phase 1 (P1) and Phase 2 (P2), range: 0.0 ~ 360.0°
Resolution:
0.1°
PSK rate:
0.1ms ~ 800s