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RF A 300 Instruction Manual page 11

Broadband power amplifier

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4.3.1
Measurement of Gain
1.
Equipment Required (or equivalent):
a)
Osilloscope - Tektronix T921
b)
Sweep/Generator - HP8601A
c)
Signal Generator - Exact Model 7060
d)
50 ohm Detector - Wavetek D151
e)
Attenuator, 30 dB, 500 Watts Bird
Sweep Generator
10 KHz – 35 MHz
RF Output
Figure 4-1. Gain Measurement
2. Connect the equipment as shown in Figure 4-1, then proceed as follows:
a)
Set the oscilloscope to DC, Time/cm to Ext. X, and gain to
l0mv/cm.
b)
Set the sweep generator to the video sweep mode with the start
frequency at 300 kHz and the sweep width to 35 MHz.
c)
Disconnect the A300 from the set-up and connect the
sweep/generator RF output directly to the 30 dB attenuator.
The material contained in this document is the property of Electronics & Innovation Ltd., it is
subject to change without notice.
Ocotber 2008
Sweep
Signal
30 dB Attenuator
11
Input
Trigger
Revision D
RF Detector

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