Transmission line reflectionless filters
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Oct 30, 2015
filing date -
Nov 5, 2014
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Abstract
Reflectionless transmission line filters, as well as a method for designing such filters is disclosed. These filters preferably function by absorbing the stop-band portion of the spectrum rather than reflecting it back to the source, which has significant advantages in many different applications. The insertion of additional transmission line sections that change the phase response of the circuit without altering the amplitude response preferably allows follow-up transmission line identities to be applied in order to arrive at a more easily manufacturable filter topology. This facilitates their application over a higher frequency range the solely lumped-element circuits.
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