Signal generator for digital spectrum analyzer

Details Signal generator for digital spectrum analyzer Signal generator for digital spectrum analyzer

1983-09-19

1985-09-03

Tokar, Michael J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

364576, G01R 2316

Patent

active

045395187

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.

REFERENCES:
patent: 3566035 (1971-02-01), Noll
patent: 3745317 (1973-07-01), Berthier
patent: 3803391 (1974-08-01), Vernet
patent: 4067060 (1978-01-01), Poussart
patent: 4080661 (1978-03-01), Niwa
patent: 4093988 (1978-06-01), Scott
patent: 4243935 (1981-01-01), McCool
patent: 4296374 (1981-10-01), Henry
patent: 4301404 (1981-11-01), Ley
patent: 4321680 (1982-03-01), Bertrand
patent: 4408284 (1983-10-01), Kijesky

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