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Operation
Model 8902A
The following table lists the different measurement range limits that can be selected with Special
Function 2:
Display
Resolution
Code
(radians)
Program Code
Special
Detector
Function
Modulation
(Peakkrad. dev.)
Range
Selected
MODULATION
OUTPUT
Sensitivity
(mvaclradian)
To
filter the demodulated signal, select the appropriate filter keys. (Refer to Airdio Fi1rer.Y on page
3-207
for more information about filters.)
2.0SP
Automatic Selection
2.0 SPCL
10.4
RMS
2.4 SPCL
2.4SP
1 4
Pk, Avg
2.4 SPCL
2.4SP
14
Pk, Avg, RMS
2.1 SPCL
2.1SP
540
Pk, Avg,
RMS
2.2 SPCL
2.2SP
1400
Pk, Avg, RMS
2.3 SPCL
2.3SP
EXAMPLE
To
measure the positive-peak phase deviation of a signal in a 50 Hz to 15 kHz post-detection
bandwidth:
Automatic Selection
0.0001
10
0.001
1
0.001
1
0.01
0.1
0.1
0.01
LOCAL
(keystrokes)
(program codes)
r
' I
E l
m a
M3 D1 H1L2
Detector
Measurement
L
T
L
Filters
HP-IB PROGRAM
CODE
All
HP-IB
codes for setting range limits for cPM measurements are provided in "Procedures".
QM
=
M3
3- 198
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