GW Instek GSP-9300 User Manual

GSP-9300 User Manual
196
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
1dB
Output power (dBm)
Input power (dBm)
P1dB
DUT
response
Ideal response
small signal
gain
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.
RF IN
GSP
DUT
TG
OUTPUT
DC OUT
Operation
1. Press
Measure
> More[F7]>P1dB[F4]>P1dB[F1] and
turn P1dB on.
 Any other measurement mode will automatically be
disabled.
 It is not necessary to turn the tracking generator on.

GW Instek GSP-9300 Specifications

General

Brand	GW Instek
Model	GSP-9300
Category	Measuring Instruments
Language	English