Figure 2-16. B/R Magnitude Ratio/Phase Dynamic Accuracy Test Setup 1
b. On the HP 4395A, set the controls as follows:
Control Settings Key Strokes
Source Power:
0
2 dBm
4
Source
5
,
NNNNNNNNNNNNNNNNN
POWER
,
4
-
5
,
4
2
5
,
4
x1
5
Active Channel: CH 1
4
Ch 1
5
Input Port: B/R
4
Meas
5
,
N
NNNNNNNNNN
B/R
Format: LOG MAG
4
Format
5
,
NNNNNNNNNNNNNNNNNNNNNNN
LOG MAG
Averaging Factor: 4
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING FACTOR
,
4
4
5
,
4
x1
5
Averaging: ON
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING on OFF
(Then the softkey
label changes to
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING ON off
.)
Input Attenuator R: 0dB
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTENUATOR MENU
,
NNNNNNNNNNNNNNNNNNNNNNN
ATTEN R
,
4
0
5
,
4
x1
5
Input Attenuator B: 0dB
4
Scale Ref
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
ATTENUATOR MENU
,
NNNNNNNNNNNNNNNNNNNNNNN
ATTEN B
,
4
0
5
,
4
x1
5
Active Channel: CH 2
4
Ch 2
5
Input Port: B/R
4
Meas
5
,
NNNNNNNNNNN
B/R
Format: PHASE
4
Format
5
,
NNNNNNNNNNNNNNNNN
PHASE
Averaging Factor: 4
4
Bw/Avg
5
,
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING FACTOR
,
4
4
5
,
4
x1
5
Averaging: ON
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING on OFF
(Then the softkey label
changes to
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
AVERAGING ON off
.)
c. Set the step attenuator to 0 dB.
Performance Tests 2-39
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