HP 4934A Operating And Calibration Manual page 55

Noise-with"Tone (Receiver)
• Transmitter: 1004 Hz tone.
Notch Filter:
>50 dB rejection from 995 to 1025 Hz.
Range (at 600,900 and 1200 ohm): 10 to 100 dBm.
Resolution: 1 dB.
Accuracy: ±1.5 dB from 20 to 100 dBm, ±3 dB from 10 to 20 dBm.
Detector Types: (noise) Quasi-RMS; (lone) Average.
Filters: C-Message, 3 kHz Flat, 15 kHz Flat, Program, 50 kbit
Signal-To-Noise Ratio (Receiver)
• Transmitter: 1004 Hz tone.
Signal Level Range (600, 900 and 1200 ohm): -40 to +10 dBm.
Ratio Range: 10 to 45 dB.
Ratio Resolution: 1 dB.
Accuracy (signal "30 to +10 dBm): S/N 10 to 40 dB: ±1 dB; S/N 40 to 45 dB: ±2
dB.
Detector Types: (noise) Quasi-RMS; (tone) Average.
3-Level Impulse Noise (Receiver)
• Transmitter: C-Message or 3 kHz Flat receive filter selected: 1004 Hz tone. Any
other receive filter: off and terminated.
Level Range: -40 to+10 dBm.
Notch Filter:
>50 dB rejection of levels < -5 dBm.
>40 dB rejection of levels > -5 dBm.
Frequency range 995 to 1025 Hz.
Threshold Ranges (at 600 ohm): Low 30 to 109 dBm, Mid and High 4 and 8 dB
higher respectively, up to 109 dBm.
Threshold Accuracy: 40 dBm ±3 dB, >50 dBm ±1 dB.
General Information 3-13