CISPR 22 allows either VCP or HCP, it's your choice.
Ari Honkala
Nokia

> -----Original Message-----
> From: ext Cook, Jack [mailto:[email protected]]
> Sent: Wednesday, August 22, 2001 5:12 AM
> To: [email protected]
> Subject: RE: Vertical Ground Plane
> 
> 
> 
> Joe,
> 
> Ref. ANSI C63.4: 1992, para. 5.2.2.  The VGP is not required 
> for a floor
> standing EUT.  And on an open area test site, it's optional 
> for a tabletop
> EUT (but preferred in case of dispute).  Has this changed?
> 
> Sorry, this doesn't answer your question re CISPR 16 but I felt a
> clarification was appropriate regarding the ANSI requirement 
> - if it hasn't
> been changed in the new edition.
> 
> Jack Cook
> Xerox EMC
> 
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]
> Sent: Tuesday, August 21, 2001 5:54 PM
> To: [email protected]
> Subject: Vertical Ground Plane
> 
> 
> 
> ANSI 63.4 clearly specifies the requirements for a vertical 
> ground plane
> when performing conducted emissions measurements.  I was 
> unable to find
> such clarifications when reviewing CISPR 16.
> 
> Do the CISPR standards require a vertical ground plane for conducted
> emissions?  If so, where is this requirement specified?
> 
> Your assistance is appreciated.
> 
> Joe Martin
> Applied Biosystems
> 
> 
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