Operating instructions

GENERAL INFORMATION
1-4 46882-311D
During all of the above procedures, the RF levels, the distortion levels and modulation levels can
be displayed on bar charts as well as being provided as a digital read-out. The AF waveforms can
also be studied using the digital oscilloscope facility.
Duplex testing
Service Monitor
Rx/Tx
Under
Test
DEMODULATED AF SIGNAL
MODULATED
RF TEST
SIGNAL
RF SIGNAL
FROM RADIO
UNDER TEST
AF GENERATOR OUTPUT
C3242
Fig. 1-3 One port duplex test setup
Service Monitor
Rx/Tx
Under
Test
DEMODULATED AF SIGNAL
MODULATED RF TEST SIGNAL
MODULATED RF SIGNAL
AF GENERATOR OUTPUT
C3243
Fig. 1-4 Two port duplex test setup
Using the Duplex test facility, parameters for transmitter testing and receiver testing can be set-up
and displayed on one screen. This gives the capability to study the performance of duplex
transceivers. Both one port and two port units can be tested.