Table of Contents
Advertisement
10. Turn the power reference on by pressing
Zero
,
Power Ref Off On
Cal
Zero
,
Cal
Cal
HP EPM-442A.
11. Round the DVM reading to two decimal places. Record this
reading as V
1
V
___________
1
12. Disconnect the DVM negative input lead from the V
on the HP 432A. Reconnect it to the HP 432A chassis ground.
13. Observe the DVM reading. Record the reading as V
V
__________
comp
14. Calculate the Power Reference Oscillator power using the
following equation:
2V
comp
P
=
---------------------------------------------------------------------------------- -
meas
4R CalibrationFactor
15. Verify that P
meas
the reading.
Table 2-4: Power Reference Level Result
Min
Actual Result
0.981 mW
________________
HP EPM-441A/442A Service Guide
on the HP EPM-441A.
,
,
More
Power Ref Off On
.
2
(
)
V
V
+
V
–
–
1
0
0
(
is within the limits shown in Table 2-4. Record
Channel A
Actual Result
(HP EPM-442A
________________
Performance Tests
Power Reference Level Test
on the
connector
RF
.
comp
2
V
1
)
Channel B
Only)
1.019 mW
Max
2-13
Advertisement
Table of Contents
