HP 8920A User Manual page 559

TX Freq Error,
TX Frequency
TX Power
CAUTION: Connecting a signal of >200 mW to the ANT IN port can cause instrument damage (although
internal protection circuits can typically withstand a short-duration signal of 1 or 2 Watts).
This measurement area is used to display transmitter frequency error or
transmitter frequency.
See Also
Tune Mode field description (this page)
Transmitter power measures RF power at the RF IN/OUT port.
Operating Considerations
Maximum signal levels at each port are printed on the front panel.
Only the RF IN/OUT port can be used for measuring TX Power on this screen.
When the
Input Port
for this measurement.
Use the Spectrum Analyzer
ANT IN port.
If the overpower circuit is triggered (signified by a warning message at the top of
the screen), remove the signal from the ANT IN port, and press
the MEAS RESET key or turn the Test Set off and on to reset it.
See Also
Input Port field description, on page 557
TX Power field description (this page)
TX Power field description, on page 480
TX Pwr Zero field description, on page 480
1. Spectrum Analyzer is an option on some Test Set models.
is set to , four dashes (- - - -) appear in place of digits
Ant
1
to measure low-level RF power (
(Operating Considerations)
Chapter 23, TX Test Screen
Field Descriptions
≤
200 mW) at the
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