Signal generator for digital spectrum analyzer
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United States of America Patent
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-
Sep 3, 1985
Grant Date -
N/A
app pub date -
Sep 19, 1983
filing date -
Sep 24, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A signal generator generates a test signal for input to a device under test the output signal of which is subjected to fast Fourier transform analysis by a fast Fourier transformer. A waveform memory is read out in synchronism with data input to the fast Fourier transformer. The waveform memory has stored therein sample values of a composite waveform of a plurality of predetermined spectra. The output read out from the waveform memory is converted by a D/A converter into an analog signal for use as the test signal.
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