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HP 70427A/HP 70428A User’s Guide
8-15
Advanced Hardware Control
To Select a Multiplexer (Voltmeter Monitor Point)
Table 8-9
Relays
Numb
er
Mnemonic
Description
*Power-on/Reset State
0
5 dB attenuator section
*5 dB attenuator section
Out: 0 dB Attenuation
1
10 dB attenuator section
*Normal: 10 dB Attenuation
Out: 0 dB attenuation
2
20 dB attenuator section
*Normal: 20 dB attenuation
Out: 0 dB attenuation
3
Signal Input relay
*Normal: Downconverter path
Out: RF Analyzer path
4
RF Analyzer relay
*Normal: View input signal
Out: View IF amplifier output signal
5
Unused
n/a
6
IF Amplifier Input relay
Normal: No connection
* Out: IF amplifier selected
7
Microwave Mixer X-port
relay
*Normal: Microwave mixer bypassed
Out: Microwave mixer selected
8
Microwave Mixer R-port
relay
* Normal: Microwave mixer bypassed
Out: Microwave mixer selected
9
AM Detector relay
*Normal: AM detector bypassed
Out: AM detector selected
10
Microwave Phase
Detector
*Normal : Downconverter path
Out: No connection
11
RF Phase Detector
relay
*Normal: No connection
*
Out: No connection
12
Microwave LO relay
Normal: Microwave LO to front panel
*Out: Microwave LO to mixer
13
Unused
n/a
14
Unused
n/a
15
Unused
n/a
Summary of Contents for 70427A
Page 11: ...x HP 70427A HP 70428A User s Guide Declaration of Conformity ...
Page 13: ... xii HP 70427A HP 70428A User s Guide Typeface Conventions ...
Page 243: ...9 42 HP 70427A HP 70428A User s Guide Technical Data HP 70428A Option 002 Specifications ...
Page 299: ...10 56 HP 70427A HP 70428A User s Guide Softkeys and Displays IF Figure 10 42 μW Mode HP70472A ...
Page 385: ...10 142 HP 70427A HP 70428A User s Guide Softkeys and Displays YTF Cal ...
Page 435: ...12 14 HP 70427A HP 70428A User s Guide Remote Programming Commands ...
Page 607: ...15 10 HP 70427A HP 70428A User s Guide Adjustments 10 MHz Oscillator Adjustment ...
Page 611: ...16 4 HP 70427A HP 70428A User s Guide Customer Support ...