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RCP1209_034-039_Product Focus 12/31/09 8:16 AM Page 36
testing, verification or for testing a large High Performance Spectrum Analyzer. from one set of data and not from a sweep
number of the same radio. When using Now available as an option for the 3500A where the RF signal may have changed
multiple 3500As in the field, the senior is an FFT based spectrum analyzer. An from the start of the frequency sweep to
engineer can define Pass or Fail parame- FFT analyzer uses a snapshot of the in- the finish. The noise floor of the spectrum
ters for frequency, power, modulation and coming RF signal that is within the se- analyzer is <-136 dBm in the 10 kHz
sensitivity, and then simply e-mail those lected span and converts it to a frequency span. The 3500A analyzer has a span
parameters to other 3500A users to install spectrum. The advantage of using this width that ranges from 10 kHz to 5 MHz
in their unit. method is that the spectrum is converted with an effective resolution bandwidth as
narrow as 19 Hz. The marker function in-
cludes the capability of measuring the
power within a particular bandwidth and
at a specified offset from the center fre-
quency. The 3500A spectrum analyzer
can be accessed from the Transmitter Test
screen, the Duplex Test screen, and as a
stand-alone spectrum analyzer.
Full Audio Oscilloscope. With the os-
cilloscope option you can display exter-
nal audio or the demodulated audio of a
received signal. The oscilloscope features
two markers and a horizontal range of 50
Users of the 3500A Series
can improve and
automate the acquisition,
analysis and display of
signal strength across
a given terrain.
mS/Div to 0.1 Sec/Div, sufficient for ob-
serving and analyzing audio signals. The
oscilloscope is available from the Duplex,
Transmitter or Receiver Test screens for
use during any type of testing.
Exclusive P25 and Analog Coverage
Mapping. In addition to the features that
are part of a radio test set, the 3500A will
also support Survey Technologies Field
Test 6 Software. Users of the 3500A Se-
ries can improve and automate the acqui-
sition, analysis and display of signal
strength across a given terrain. A perfect
addition if you are responsible for ground
based radio systems.
All these capabilities in a rugged
portable radio test set make the 3500A the
best choice for all your testing needs.

For more information on the 3500A P25
Radio Test Set, visit
or contact Mark Gardner at EDMO
Distributors, Inc toll free at 1(800) 337-
8378 or e-mail at
and on the web at
36 ROTORCRAFT PROFESSIONAL • Heli-Expo 2010 Preview Issue
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