P1Db Measurement - Promax AE-166 User Manual

NOTE:
4.1.18

P1dB Measurement

Description
►
The P1dB compression point describes the point at which the gain of an active
DUT is 1dB less than the ideal linear gain (or small signal gain) relative to the
input.
Example
►
P1dB Connection Setup
►
Connect the DUT to the RF input. Connect the tracking generator output to
the DUT input. The DC output can be used to power the DUT if necessary.
Operation
►
Press

Any other measurement mode will automatically be disabled.

It is not necessary to turn the tracking generator on.
129
The NdB bandwidth measurements are strongly tied to the RBW
and VBW.
Figure 95.
> More[F7] > P1dB[F4] > P1dB[F1] and turn P1dB on.
Figure 96.
February 2017