Receiver test apparatus with test message injector

Details Receiver test apparatus with test message injector Receiver test apparatus with test message injector

1988-12-05

1990-11-20

Orsino, Joseph A.

Telecommunications

Receiver or analog modulated signal frequency converter

Measuring or testing of receiver

455249, H04B 1700, H04B 700

Patent

active

049725114

ABSTRACT:
A receiver test apparatus that injects a plurality of attenuated test sigs into a receiver under test is improved by contemporaneously injecting a test message to identify the level of the attenuation test signals so that an operator may easily identify the level at which receiver anomalies occur. The test signals and messages are programmed so that testing may be easily reproduced.

REFERENCES:
patent: 4173000 (1979-10-01), Singer et al.
patent: 4322857 (1982-03-01), Grohmann et al.
patent: 4419622 (1983-12-01), Cuneo, Jr. et al.
patent: 4506332 (1985-03-01), Bloch et al.
patent: 4625332 (1986-11-01), Singer et al.
patent: 4627103 (1986-12-01), Fukuhara
patent: 4630266 (1986-12-01), Deparis et al.
patent: 4654807 (1987-03-01), Bremer

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