MAIN OUTPUT (specifications apply to each output to ground)
Maximum Amplitude: 7V rms open circuit; 3.5Vrms (+48dBm) into 50 ohm load.
Impedance: constant 50 ohms.
Maximum Current: 75mA rms.
Minimum Amplitude: <0.2mV.
Amplitude Flatness: ±0.02dB, 1Hz to 110kHz.
Amplitude Stability:
Vs. Time: 0.01% in 1hr or less.
Vs. Temperature: 0.05%/°C.
Vs. Line: <0.001% for a 10% change in line voltage.
Amplitude Control: A 4-position push-button attenuator calibrated in 20dB steps from 0dB to –60dB, accuracy ±0.25dB/20dB step; volts rms control with greater than 30dB of coverage calibrated in volts.
Accuracy: ±20% of setting.
Main Output Distortion:
Frequency ------------Distortion (%) ------------Distortion (dB)
1Hz to 10kHz.........<0.0005.....................–106
10kHz to 20kHz......<0.0018.....................–95
20kHz to 50kHz...... <0.0056..................... –85
50kHz to 110kHz.....<0.01.......................–80
Hum and Noise: Greater than 110dB below signal (10Hz to 20kHz detector bandwidth).
发表于 2008-12-6 20:01
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