You could go back to the basics and explain that it was a mechanism to quantify 
impulse type noise perceptible to the human ear, or something along those 
lines.  MOST people can relate to that.

Good Luck

Jerry



From: John Woodgate [mailto:[email protected]]
Sent: Monday, July 31, 2017 11:31 AM
To: [email protected]
Subject: Re: [PSES] Quasipeak definition

The slow decay was more intended to make the meter easier to read. There have 
been some other colourful explanations, but I think that’s the simplest.

With best wishes DESIGN IT IN! OOO – Own Opinions Only
www.jmwa.demon.co.uk<http://www.jmwa.demon.co.uk/> J M Woodgate and Associates 
Rayleigh England

Sylvae in aeternum manent.

From: Doug Powell [mailto:[email protected]]
Sent: 31 July 2017 16:19
To: John Woodgate <[email protected]<mailto:[email protected]>>; 
EMC-PSTC <[email protected]<mailto:[email protected]>>
Subject: Re: [PSES] Quasipeak definition

As I understand it differs from the peak and average in that it is a quick 
detect and slow decay.  The purpose was to emulate electronic devices that are 
sensitive to this sort of response.

As such, we use to peak to detect potential interference and then a combination 
of average and QP for pass/fail determination.

All the best

Doug




From: [email protected]<mailto:[email protected]>
Sent: July 31, 2017 8:40 AM
To: [email protected]<mailto:[email protected]>
Reply-to: [email protected]<mailto:[email protected]>
Subject: Re: [PSES] Quasipeak definition


It’s a peak detector that has a carefully-controlled time-response that is not 
quite fast enough to show the true peak value of a very fast transient that 
might occur.

With best wishes DESIGN IT IN! OOO – Own Opinions Only
www.jmwa.demon.co.uk<http://www.jmwa.demon.co.uk/> J M Woodgate and Associates 
Rayleigh England

Sylvae in aeternum manent.

From: Paasche, Dieter [mailto:[email protected]]
Sent: 31 July 2017 15:35
To: [email protected]<mailto:[email protected]>
Subject: [PSES] Quasipeak definition

How would you define the Quasipeak detector to somebody that is not EMC 
knowledgeable.


Sincerely,

Dieter Paasche
Senior Product Developer, Electrical
CHRISTIE
809 Wellington Street North
Kitchener, ON N2G 4Y7
Phone: 519-744-8005 ext.7211
www.christiedigital.com<http://www.christiedigital.com/>

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