Spectrum Analyzer
Recording length is limited only by storage media size, and recording is a
basic feature included in SignalVu-PC. SignalVu-PC application SV56
(Playback) allows for complete analysis by all SignalVu-PC measurements,
including DPX Spectrogram. Minimum signal duration specifications are
maintained during playback. AM/FM audio demodulation can be performed.
Variable span, resolution bandwidth, analysis length, and bandwidth are all
available. Frequency mask testing can be performed on recorded signals,
with actions on mask violation including beep, stop, save trace, save
picture, and save data. Portions of the playback can be selected and
looped for repeat examination of signals of interest. Playback can be skip-
free, or time gaps can be inserted to reduce review time.
Return loss/VSWR, distance to fault, cable loss – Perform maintenance
and troubleshooting tasks with ease. When equipped with the option
04 tracking generator, the RSA500A series with application license
SV60xx-SVPC makes one-port measurements on cables, devices and
antennas.
Clock time of the recording is displayed in the spectrogram markers for
correlation to real world events. In the illustration below, the FM band is
being replayed, with a mask applied to detect spectral violations,
simultaneous with listening to the FM signal at the center frequency of
92.3 MHz.
Return loss vs distance for a cable with an inserted barrel and an extension cable. The
point at M2 (17.638 m, MR) is the barrel connector and the point marked by M1 at
19.725 m is the end of the cable.
DataVu-PC for multi-instrument recording
and analysis of large recordings
DataVu-PC software can control two spectrum analyzers simultaneously
with independent settings. This allows you to monitor a wide span, while
recording at up to 40 MHz bandwidth at any frequency in the range of the
instrument. Once recorded, DataVu-PC can find and mark signals of
interest based on amplitude and frequency-mask characteristics,
eliminating the need for manual inspection of long recordings. Pulse
measurements are available on up to 2,000,000 pulses.
Return loss of a bandpass filter measured from 700 MHz to 2.6 GHz. Markers have been
placed a 1.48 GHz (-34.4 dB return loss) and at 1.73 GHz (-11.68 dB return loss),
indicating the best and worse match in the passband of the filter.
Playback – Application SV56, Playback of recorded signals, can reduce
hours of watching and waiting for a spectral violation to minutes at your
desk reviewing recorded data.
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