Spectrum analyzer having enterable offsets and automatic display

Details Spectrum analyzer having enterable offsets and automatic display Spectrum analyzer having enterable offsets and automatic display

1978-08-10

1981-01-06

Krass, Errol A.

Boots, shoes, and leggings

324 77B, 328140, 340700, 364518, 364571, G01R 2300

Patent

active

042440246

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: 3786351 (1974-01-01), Priebe, Jr.
patent: 3881097 (1975-04-01), Lehmann et al.
patent: 4072851 (1978-02-01), Rose
patent: 4097860 (1978-06-01), Araseki et al.
"A SMHZ Digitally Controlled Spectrum analyzer"; Texscope (USA); vol. 7, No. 3, 1975; pp. 3-7.

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