HP 8340B Manual page 195

5-15. ALO ADJUSTMENTS
Reference
Performance Test: Maximum Leveled Output Power and Accuracy
Service Section: RF Section
LOGGER TEMPERATURE COMPENSATION
Description
The following logger temperature compensation procedure should only
be done if either All or A12 Detector is replaced.
The logger in A25 has temperature compensation in both high and low bands. This procedure calcu-
lates the values for the four factory-selected resistors in the temperature compensation circuit.
DIGITAL VOLTMETER
n moonnan.
m
OODOOODOOOODOO
POWER SUPPLY
+
HP 8340B/41B
NOTE
000
Figure 5-45. Logger Temperature Compensation Test Setup
W26
M
SMB TO BNC F'
ADAPTER
BAND 0
DETECTOR
A12
L~l
HIGH BANDS
DETECTOR
All
F~]
W27
Ll
Adjustments 5-89