Manual - 8500A Series Peak Power Meter - Giga-tronics

Series 8500A Peak Power Meters
Figure 2-14. Detector to a High-Power Coupler Setup
Figure 2-15. Detector to High Power Attenuator Setup
8. Auto-Zero the PPM by pressing [MENU] (1) [F3] [F2] [UNITS].
If a dual channel 8502A is being used, follow the prompts given on the display. Select any Units
key or CLEAR as necessary to Zero the desired channel(s).
9. Turn on the RF power of the source under test.
10. If measuring a pulsed signal, it is important that the Cursor be placed on the pulse. This can be
done by using the PPM’s Autoscale feature which is activated in the Graph Mode by pressing
[AUTOSCALE]. If this method is not possible, try using the Internal Trigger with the level set at
-20 dBm. Then set the Cursor at 0.0000 ns and increase the Cursor Delay gradually until the
CRS PWR is at its maximum.
2-38 Manual No. 20790, Rev C, November 1998
Superceded by Revision D, March 2009