Power attenuator with coupling port

Details Power attenuator with coupling port Power attenuator with coupling port

2005-05-03

2005-05-03

Tokar, Michael (Department: 2819)

Wave transmission lines and networks

Plural channel systems

Having branched circuits

C333S08100R, C333S017300

Reexamination Certificate

active

06888421

ABSTRACT:
A power attenuator with at least one coupling port. The coupling port may be provided to monitor input power levels, out put power levels, or other operations of the power attenuator. One or more coupling ports may be located on the power attenuator input part to monitor input power levels and/or on the power attenuator output part to monitor output power levels. The coupling port(s) may be coupled to the main RF path by resistive coupling or reactive coupling. The coupling port(s) allow monitoring of the RF signal passing through the power attenuator to detect for incipient failures.

REFERENCES:
patent: 3868602 (1975-02-01), Meddaugh
patent: 4065207 (1977-12-01), Zavitsanos et al.
patent: 5136681 (1992-08-01), Takahashi
patent: 6341191 (2002-01-01), Takahashi

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