HP EPM E4418A, User Manual

Page: 80 / 158

HP4402.book : chapter2.fm 40 Tue Apr 22 15:20:23 1997
Power Meter Operation
Recorder Output
2-40 HP EPM-441A User’s Guide
Leveling a Source Output
The Recorder output can be used to level an output from a source using
external leveling. The following procedure explains how to do this:
1. Select the channel to be represented on the Recorder Output by
pressing
, , , .
2. The highest power you are going to measure is used to determine
the value which you should set for the Recorder Output maximum
setting. For example, if you are measuring a power less than 1 mW
and greater than 100
µ
W, then set the recorder maximum value to
1 mW.
To set the maximum value press , ,
, and enter the appropriate
value.
3. Press and enter 0 W.
4. Press to “
On
”.
50 dBm (100 W)
40 dBm (10 W)
30 dBm (1 W)
20 dBm (100 mW)
10 dBm (10 mW)
0 dBm (1 mW)
-10 dBm (100
µ
W)
-20 dBm (10
µ
W)
-30 dBm (1
µ
W)
-40 dBm (100 nW)
-50 dBm (10 nW)
-60 dBm (1 nW)
System
Inputs
More Recorder Output Output A B
System
Inputs
More
Recorder Output Max Power
Min Power
Output Off On