HP 8901B Operation And Calibration Manual page 391

Adjustments Model
8901B
Table of Contents
Introduction
.....................................................................................
5-1
Safety Considerations
.............................................................................
5-1
Equipment Required
..............................................................................
5-1
Factory-Selected Components
......................................................................
5-2
Post-Repair Tests. Adjustments. and Checks
.........................................................
5-2
Related Adjustments
..............................................................................
5-2
Adjustment
1
-
Power Supply
.....................................................................
5-5
Adjustment
2
-
Internal Reference Frequency
.......................................................
5-6
Adjustment
3
- RF
Level Detector Offset
..........................................................
5-7
Adjustment
4
- Sampler Efficiency and Offset
......................................................
5-8
Adjustment
5
-
LO Doubler Output Power and Balance
.............................................
5-10
Adjustment
6
-
Voltmeter Offset and Sensitivity
...................................................
5-12
Adjustment
7
-
15
kHz
and
>20
kHz
Low-Pass Filter Gain
.........................................
5-14
Adjustment
8
- ALC Reference
..................................................................
5-15
Adjustment
9
-
FM Calibrator
...................................................................
5-16
Adjustment
10
-
FM Sensitivity
.................................................................
5-17
Adjustment
1 1
- FM Flatness
....................................................................
5-18
Adjustment
12
-
FM Distortion and Incidental AM -
1.5
MHz IF
..................................
5-19
Adjustment
13
-
cPM Sensitivity
.................................................................
5-21
Adjustment
14
-
AM Calibrator
..................................................................
5-23
Adjustment
15
-
AM Sensitivity
.................................................................
5-24
Adjustment
16
-
FM Distortion and Incidental AM -
455
kHz IF
..................................
5-25
Adjustment
17
-
T k a c k - h e Mode Offset
.........................................................
5-27
Adjustmeiic
18
-
Power Reference (Using Reference Comparison)
....................................
5-28
Adjustment
19
-
Power Reference (Using DC Substitution)
.........................................
5-30
Adjustment
20
-
Power Meter
....................................................................
5-33
Adjustment
22
-
Battery Backup
.................................................................
5-37
Adjustment
21
-
Audio True
RMS
Detector and Notch Filter Gain
..................................
5-35
5-0