Programmable attenuators

Details Programmable attenuators Programmable attenuators

1986-12-02

1989-01-03

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333 81A, 333246, H01P 110, H01P 122

Patent

active

047959606

ABSTRACT:
Programmable attenuators including DPDT relays or pairs of SPDT relays with terminals which are interconnected through conductors and attenuator sections disposed on opposite sides of grounded isolation elements, and so configured and supported by printed circuit boards or the like as to provide very high isolation while obtaining flat response characteristics up to very high frequencies, in the megahertz range.

REFERENCES:
patent: 3365701 (1968-01-01), Jones, Jr.
patent: 3470499 (1969-09-01), Lentz
patent: 4330765 (1982-05-01), Patukonis
patent: 4442325 (1984-04-01), McDermott
patent: 4612520 (1986-09-01), Boire et al.
patent: 4613840 (1986-09-01), Yabu et al.
patent: 4625191 (1986-11-01), Oberndorfer et al.

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