Critical parameter receiver tester

Details Critical parameter receiver tester Critical parameter receiver tester

1975-12-29

1977-01-18

Griffin, Robert L.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

324 77R, 332 39, 325133, 325 67, 324 57N, H04B 1700

Patent

active

040042308

ABSTRACT:
A modulated signal is injected into receiver under test. The output of the eceiver is fed directly to a first power measuring device and through a digital filter to a second measuring device. The two measured quantities are fed to a divider circuit which provides an output proportional to signal to signal and noise ratio.

REFERENCES:
patent: 2959672 (1960-11-01), Haise
patent: 2988693 (1961-06-01), Billig et al.
patent: 3258689 (1966-06-01), Bessler et al.
patent: 3287646 (1966-11-01), Taylor
patent: 3302116 (1967-01-01), Free
patent: 3965417 (1976-06-01), Tompkins

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