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What are non-reciprocal bandpass filters?

Electrical Engineering Asked on November 6, 2021

I am not an electrical engineer. I have come to know about a term called as "Non-reciprocal Bandpass filters" which seems to be useful to me.

Here are some links to the papers (unfortunately there is no proper citation to find definition of the term)

link1
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link3

I would like to know if they are nothing but a type of isolator. Are these devices discussed in any book?

One Answer

According to this patent application:

A nonreciprocal bandpass filter is one that only allows electromagnetic waves (signals) to flow in one direction.

It seems to be a way to eliminate circulators or other expensive devices in order to reduce the effect of reflections on a driving circuit.

Answered by Cristobol Polychronopolis on November 6, 2021

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