
Table 1-1. HP 3048A System Specifications (1 of 4)
HP 3048A
System
Specifications
PHASE DETECTOR PORTS
Frequency
Range: 5 MHz to 1.6 GHz (low-frequency inputs)
Additional Range with Option 201: 1.2 to 18 GHz
(high-frequency inputs) (The frequency range can be
extended with a customer-supplied phase detector or
frequency discriminator.)
Amplitude
Maximum Signal (dBm)
Minimum Signal (dBm)
Low-Frequency inputs
Lin
+23
+15
R
in
+23
+0
High-Frequency Inputs
Lin
+10
+7
H
in
+5
+0
Offset Frequency Range
0.01 Hz to 40 MHz for carriers from 95 MHz to 18 GHz
0.01 Hz to 2 MHz for carriers from 5 MHz to 95 MHz
(Assumes addition of 40 MHz spectrum analyzer to the
system, otherwise offset range limited to 100 kHz.)
Accuracy (measurement of all noise and spurious present at
the two inputs to the phase detector and system
contribution):
±2 dB for 0.01 Hz to 1 MHz offsets
±4 dB for 1 MHz to 40 MHz offsets
In order for the HP 3048A to meet its accuracy specifications,
the following qualifications must be met:
• Source return loss >9.5 dB (<2 : 1 SWR)
• Source harmonic distortion <-20 dB (or a square wave)
• Nonharmonic spurious, except for phase modulation close to
the carrier, <—26 dBc
1-12 General Information
rev.05SEP89
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