Sweeping spectrum analyzer

Details Sweeping spectrum analyzer Sweeping spectrum analyzer

1975-01-10

1976-03-02

Rolinec, R. V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

G01R 2316

Patent

active

039421090

ABSTRACT:
A sweeping spectrum analyzer for analyzing the frequency and amplitude of an input signal is comprised of a Bragg cell with a laser beam input and an accoustic signal input. An input signal is mixed with a sweep signal to produce a heterodyned signal within the acoustic bandwidth of the Bragg cell. The heterodyned signal is applied to the Bragg cell and results in deflection of a laser beam passing therethrough. The Bragg cell output is imaged onto a charge coupled photodetector array and fed to a shift register as clock pulses. The clock pulses are synchronized with the sweep signal frequency for transfer as one charge packet down a charge coupled array.

REFERENCES:
patent: 2943315 (1960-06-01), Rosenthal
patent: 3055258 (1962-09-01), Hurvitz
patent: 3220003 (1965-11-01), Montague
patent: 3365579 (1968-01-01), Emshwiller

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