Operating Your Frequency Counter 2
Keysight 53150A/151A/152A Operating Guide 87
Measuring Power
The Keysight 53150A/151A/152A can also measure signal power
(in the same frequency ranges as for frequency measurements) on Channel 2. The
power measurement, which is shown in a dedicated area of the display, includes a
digital readout and an analog representation that is useful when peaking signals.
The display can be configured to show power in units of dB, dBm, W, mW, μW,
and percentage (%).
Power Measurement Example
This example assumes that a signal is currently applied to the Channel 2 input
connector.
1 Press the Display Power key to enable power measurement.
The Pwr annunciator at the left side of the display is activated, and the
Counter’s digital and analog power displays show the power measurement in
dB or dBm (the default units of measurement).
The display should look like this:
CAUTION
The Channel 2 input path circuits contain sensitive GaAs semiconductors. To
prevent damage to these components, always adhere to standard ESD
(ElectroStatic Discharge) prevention procedures, and ensure that the
maximum power specification for this channel (+27 dBm) is not exceeded.
dB
dBm
Watts
mW
uW
%
Ch 12
Rel Freq
Rel Pwr
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