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What is Limiter and Its Application - RF Cafe Forums

The original RF Cafe Forums were shut down in late 2012 due to maintenance issues. Original posts:

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Post subject: what is limiter and its application
Unread postPosted: Wed Oct 20, 2004 12:38 am

Recently my work involves so-called limiter. I am quite confused of its characteristics and application in the digital communication system(QPSK, etc). Can any expert give some hints?


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joe
Post subject: limiter
Unread postPosted: Wed Oct 20, 2004 1:18 pm

There are two components you may be referring to.

One is a high power protection device using PIN diodes. The purpose is to clamp a high power signal to avoid damaging sensitive components on the front end of the receiver.

The other is a limiting amplifier, also referred to as a limiter. This is an amplifier operating in saturation, providing a fixed output level over a wide range of iput power.




Posted  11/12/2012

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