RF diplexers are three-port frequency-dependent devices that may be used as a separator or a combiner of signals. RF duplexers allow a transmitter operating on one frequency and a receiver operating on a different frequency to share a common antenna with a minimum of interaction and degradation of the different RF signals.
RF limiters are circuits that prevent the amplitude of a waveform from exceeding a specified value. There are three basic types of RF limiters: conventional, feedback, and high power.
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