Advertisement
Performance Tests
Model 8902A
Characteristic
TUNED RF LEVEL
Relative Accuracy
Performance Test 14
Performance Limits
Conditions
f0.015
dB +0.010 dB/10 dB
f0.015
dB
+
0.050 dB/10 dB
0.000 dBm to -1 00.000 dBm
-100.001 dBm to -127.000 dBm
TUNED RF LEVEL
Description
This test checks the relative accuracy of the HP 8902A Option
050
h e d
R F '
Level measurement
mode for the
IF
synchronous detector using the
HP
11812A.
NOTE
The output level accuracy of the signal generator
is
of secondary importance.
Equipment
Signal Generator..
................................................................
H P
MOB
Step Attenuator..
................................................................
HP 11812A
Procedure
NOTE
In the following procedure make direct connections between test equipment,
woiding cables and adapters, where possible. l b r n on all equipment and
allow it to warm up for
30
minutes before performing this test.
Tuned RF Level Accuracy with Step Attenuator
1.
Connect the equipment as shown in Figure 4-1.
2. Setup:
a. Set the signal generator output to 30 MHz at +20 dE3m CW.
b. Set the Step Attenuator to 0
dB.
a. On the Measuring Receiver press INSTR PRESET (blue key then green key).
b. Wait for the Measuring Receiver to display 30 MHz. Then Press the MHz key to manual
c. Press
S
(Yellow key),
TUNED
RF
LEVEL.
Wait for
a
measwment
to
be displayed.
d. Key in 39.9 SPCL to clear any previous calibration factors for the n n e d RF Level
3. Procedure:
tune the Measuring Receiver.
measurment.
4-50
rev.24A
UG8
7
Advertisement
Chapters
