Bandwidth compensated bridged-tee attenuator

Details Bandwidth compensated bridged-tee attenuator Bandwidth compensated bridged-tee attenuator

1997-10-21

1999-06-15

Gensler, Paul

Wave transmission lines and networks

Attenuators

327308, H03H 725

Patent

active

059125993

ABSTRACT:
A bandwidth compensated switched bridged-tee attenuator having an attenuation state and a reference state. In order to cause the overall bit attenuation .DELTA.A to be frequency independent over a relatively wide range of frequencies, one or more additional switches are provided to cause the attenuation state to essentially track the frequency dependence of the reference state. Since the overall attenuation .DELTA.A is the difference between the attenuation in the attenuation state and the attenuation in the reference state, the overall attenuation .DELTA.A, is virtually frequency independent over a relatively wide range of frequencies.

REFERENCES:
patent: 5281928 (1994-01-01), Ravid et al.
patent: 5448207 (1995-09-01), Kohama
patent: 5666089 (1997-09-01), Ehlers

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