HP 70427A User Manual page 192

Table 8-1
Latc
h
3
Α
Table 8-2
Latc
h
0
1
A3 AM Detector
Bit Bit Weight
1 2
2 4
0 1
0 1
A4 IF Amplifier
Bit Bit Weight Bit Mnemonic
7 128
6 64
5 32
4 16
3 8
2 to 4 to 2
1
0 1
7 128
6 64
5 32
4 16
To Select a Multiplexer (Voltmeter Monitor Point)
Bit Description
Bit Mnemonic
*Power-on/ Reset State
Unused
Unused
Unused
OVERLOAD_INTER
RUPT
Bit Description
*Power-on/Reset State
Unavailable n/a
Unavailable n/a
RF_OUT 0: Front panel IF OUTPUT off
*1: Front panel IF OUTPUT on
RF_ANA * 0: RF analyzer view: IF
AM 0: IF level output
*1: AM detector output
MUX2,1 0: Ground
*1: IF level
2: Peak IF level
3: Overload interrupt
ATTEN *0: 5 dB attenuator in
1: 5 dB attenuator out
SPARE_1 No functionality
SPARE_5 0: Stage 5 amplifier power off
*1: Stage 5 amplifier power on
ST5_R *0: Stage 5 amplifier +10 dB gain
1: Stage 5 amplifier bypassed
PEAK_RESET 0: Peak detect
*1: Reset peak detector
HP 70427A/HP 70428A User's Guide 8-7
Advanced Hardware Control
n/a
n/a
0: AM detector overload
1: AM detector normal