Apparatus for spectrum analysis of an electrical signal

Details Apparatus for spectrum analysis of an electrical signal Apparatus for spectrum analysis of an electrical signal

1978-08-10

1981-03-17

Krass, Errol A.

Boots, shoes, and leggings

324 77B, 340709, 340711, G01R 2300

Patent

active

042571049

ABSTRACT:
An input signal is mixed with sampling signals from oscillators which vary the frequency of the sampling signal from a first frequency to a second frequency. The resulting Intermediate Frequency (IF) signal is processed and digital values are stored in a memory in response thereto. Waveforms are then displayed which correspond to these frequency and amplitude values. Various input and display circuits facilitate the display and interpretation of these waveforms.

REFERENCES:
patent: 3427536 (1969-02-01), Wainwright
patent: 3717812 (1973-02-01), Hirsch
patent: 3786351 (1974-01-01), Priebe, Jr.
patent: 3881097 (1975-04-01), Lehmann et al.
patent: 4040025 (1977-08-01), Morrill, Jr. et al.
"A 5 MHz Digitally Controlled Spectrum Analyzer", Tekscope (USA); vol. 7, No. 3 (1975); pp. 3-7.

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