[time-nuts] power spectrum of hard limiter output

[shalimr9 at gmail.com]

Jim,

You should be able to model it in Spice and do an FFT on the output.

Didier KO4BB

Sent from my Verizon Wireless BlackBerry

-----Original Message-----
From: jimlux <jimlux at earthlink.net>
Sender: time-nuts-bounces at febo.com
Date: Sun, 23 Jan 2011 17:35:38 
To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
Reply-To: Discussion of precise time and frequency measurement
	<time-nuts at febo.com>
Subject: [time-nuts] power spectrum of hard limiter output

I'm looking for a reference that gives the power spectrum of the output 
of a hard limiter (1 bit thresholder) with band limited noise and a 
single sinusoid.

At high SNR, the output of the limiter is basically a square wave at at 
the input frequency, but as the SNR decreases, it starts to act like a 
soft limiter with a gaussian characteristic, so what is the power 
spectrum of the output?

Jim

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