
Table 1-1. HP 3048A System Specifications (3 of 4)
NOISE INPUT PORT
(For use with externa! phase detector or frequency
discriminator)
Frequency: 0.01 Hz to 40 MHz
Amplitude: 1 Volt peak maximum
Typical Input Impedance: 50fl; return loss >9,5 dB {<2:1 SWR)
Accuracy: External phase detector or frequency discriminator
measurements calibrated with ±1 dB accurate signals.
±2 dB for 0.01 Hz to 1 MHz offsets
±4 dB for 1 MHz to 40 MHz offsets
System Noise and Spurious Responses
-100
-'20
ISO
—-
Spurious Responses (dBnil
^\J 1 1
i()i
0 1
' '0 100 '. k ! 0k 100k 1M 1 DM 40M
O^seT Frequency -.dz\
TUNING VOLTAGE OUTPUT
Voltage Range: ±10 volts
Current: ±20 mA maximum
Output Impedance: 50S2 nominal
SOURCE OUTPUT TYPICAL PERFORMANCE
10 MHz Source A
Amplitude: +15 dBm
Tuning: ±100 Hz
10 MHz Source B
Amplitude: -1-6 dBm
Tuning: ±
1
kHz
350-500 MHz
Amplitude: +17 dBm
400 MHz
Amplitude: -5 dBm
Tuning: Fixed Frequency
1-14 General Information
rev.05SEP89
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