HP 70427A User Manual page 200

Table 8-9 Relays
Numb Mnemonic
er
0 5 dB attenuator section
1 10 dB attenuator section
2 20 dB attenuator section
3 Signal Input relay
4 RF Analyzer relay
5 Unused
6 IF Amplifier Input relay
7 Microwave Mixer X-port
relay
8 Microwave Mixer R-port
relay
9 AM Detector relay
10 Microwave Phase
Detector
11 RF Phase Detector
relay
12 Microwave LO relay
13 Unused
14 Unused
15 Unused
Advanced Hardware Control
To Select a Multiplexer (Voltmeter Monitor Point)
Description
*Power-on/Reset State
*5 dB attenuator section
Out: 0 dB Attenuation
*Normal: 10 dB Attenuation
Out: 0 dB attenuation
*Normal: 20 dB attenuation
Out: 0 dB attenuation
*Normal: Downconverter path
Out: RF Analyzer path
*Normal: View input signal
Out: View IF amplifier output signal
n/a
Normal: No connection
* Out: IF amplifier selected
*Normal: Microwave mixer bypassed
Out: Microwave mixer selected
* Normal: Microwave mixer bypassed
Out: Microwave mixer selected
*Normal: AM detector bypassed
Out: AM detector selected
*Normal : Downconverter path
Out: No connection
*Normal: No connection
* Out: No connection
Normal: Microwave LO to front panel
*Out: Microwave LO to mixer
n/a
n/a
n/a
HP 70427A/HP 70428A User's Guide 8-15