9
Independent signal source and
tracking generator
FieldFox has a built-in independent signal
source, with a frequency range of 2 MHz to
4/6 GHz. The signal source and spectrum
analyzer can be on at the same time. The
signal source can be tuned to any frequen-
cy, independent of the spectrum analyzer
frequency.
The signal source can be used to create a
test signal to measure coverage, antenna
isolation, antenna direction alignment, fre-
quency offset device verification, and long
cable loss measurement.
FieldFox’s source can generate both a CW
signal and a swept frequency signal, similar
to a traditional tracking generator. This
feature is standard on FieldFox RF analyzers
with spectrum analyzer Options 230 or 231.
With Option 311, FieldFox is able to make
channel power measurements (CPMs) eas-
ily, without the need for an external USB
power sensor. Users can set the center
frequency directly or select from a list of
pre-defined radio standards such as GSM
or LTE. Additionally, with CPM, the channel
bandwidth can be controlled, thereby reduc-
ing errors caused by out-of-band signals.
Limit lines simplify testing
Limit lines or masks can be used for quick
pass/fail testing of devices or frequency
spectrums. FieldFox allows you to define
fixed and relative limit lines, for both the
RF spectrum traces and S-parameters. Ad-
ditionally, with a single key press, you can
build a limit line table from a current trace,
and add offsets or margins to simplify your
testing process.
FieldFox
9
display mode
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