Variable attenuator

Details Variable attenuator Variable attenuator

1998-03-13

2000-03-07

Gensler, Paul

Wave transmission lines and networks

Attenuators

257537, H01P 122

Patent

active

060345756

ABSTRACT:
A variable attenuator includes a resistance region, a signal line to which the resistance region is connected, a very high frequency signal being propagated through the signal line, and a voltage applying part which applies a dc voltage across the ends of the resistance region, the dc voltage controlling a magnitude of attenuation to the very high frequency signal.

REFERENCES:
patent: 2934723 (1960-04-01), Hewitt, Jr.
patent: 3432778 (1969-03-01), Ertel
patent: 3867707 (1975-02-01), Pering et al.
patent: 4090155 (1978-05-01), Tateno et al.
patent: 4216445 (1980-08-01), Abajian
patent: 4309626 (1982-01-01), Kudo
patent: 4359699 (1982-11-01), Horkin
patent: 5767757 (1998-06-01), Prentice

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