HP 4934A Operating And Calibration Manual page 54

Transmission impairment measuring set
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Receiver Level
Range: -60 to+13 dBm.
Resolution: O.l dB.
Detector Type: Average.
Accuracy (dB):
Level
(dBm)
Frequency (Hz)
20-50
50-200
200-15k
15k-60k
60k-85k
85k-110k* 110k~200kt
+13
to
^0
±
1,0
±
0.5
±
0,2
±
0.5
±
0.5
±
2.0
±
2.0
-40
to
-60
±
1,3
±
0.6
±
0.4
±
0.8
±
1.0
±
2.0
±
2,0
At 1004 Hz, -20 to
+13
dBm
±
0.1 dB:
Receiver accuracy is specified from 500
Hz when using the 135 or 150 ohm terminations.
* Receiver accuracy specified when Transmitter frequency is
<110 kHz.
t Frequency range 110k - 200k applicable when Wideband option
021 is installed.
Message Circuit Noise (Receiver)
Transmitter: off and terminated
Range:
0 to 100 dbm (135 & 150 ohm: 10 to 100 dBm).
Resolution:
1 dB.
Detector Type: Quasi-RMS.
Accuracy: For 135 and 150 ohms: ±3 dB from 10 to 15 dBm; ±1 dB from 15 to
100 dBm. For 600,900,1200 ohms: ±1 dB from 10 to 100 dBm; ±3 dB from 0 to 10
dBm.
Filters: C-Message, 3 kHz Flat, 15 kHz Flat, Program, 50 kbit
3-12
General information

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