Month: October 2017
RF Ferrite Isolator Basics
An isolator is a type of non-reciprocal passive network that allows designers the freedom to construct networks where the transmission coefficient in one direction does not necessarily have the same loss as in the reverse direction. In an isolator, ideally, RF energy can be made to flow through it in only one direction.
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Choosing TX and RX Filters
TX and RX filters select a specific portion of the RF or microwave signal based on the desired frequency, and reject the rest of the signal being transmitted or received. The range of frequencies that are passed by a filter are called the pass-band, the ranges of frequencies that need to be rejected are called stop-bands. Unless otherwise specified, filters reflect energy in the stopbands, rather than absorb it.
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