Adjusting The Low Band Power; Adjusting The High Band Power (8722Et/Es) - Agilent Technologies 8719ET Service Manual

8719ET/20ET/22ET
8719ES/20ES/22ES
RF Network Analyzers
3. Press
Sweep Setup
4. To switch the power DAC on, press the following:
SERVICE MENU
System
SRC ADJUST MENU
1000 x1
5. Adjust the mid band power offset resistor (A59 R71) for a power meter reading that is
equal to the value (±0.1 dB) listed under "Power A" in
6. Press
Sweep Setup
7. Adjust the mid band power slope resistor (A59 R88) for a power meter reading that is
equal to the value (±0.1 dB) listed under "Power A" in
8. The adjustments in step 5 and step 7 interact with each other, so repeat both
adjustments until both are in specification.

Adjusting the Low Band Power

1. Press
50 M/µ
2. Adjust the low band power offset resistor (A59 R70) for a power meter reading that is
equal to the value (±0.1 dB), from the "Power A" column in
3. Press
2.3 G/n
4. Adjust the low band power slope resistor (A59 R86) for a power meter reading that is
equal to the value (±0.1 dB), from the "Power A" column in

Adjusting the High Band Power (8722ET/ES)

1. Press
20.1 G/n
2. Adjust the high band power offset resistor (A59 R80) for a power meter reading that is
equal to the value (±0.1 dB), from the "Power A" column in
3. Press
40 G/n
4. Adjust the high band power slope resistor (A59 R87) for a power meter reading that is
equal to the value (±0.1 dB), from the "Power A" column in
Service Guide
CW FREQ 2.56
SERVICE MODES
POWER DAC[ON]
CW FREQ
20
.
.
.
.
Adjustments and Correction Constants
.
G/n
Table 3-3.
.
G/n
Table 3-3.
Table
Table
Table
Table
Output Power Adjustments
3-3.
3-3.
3-3.
3-3.
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