Patrick -

Bypass caps were used in an older version of 1089, and subsequently replaced
with LISNs in the current version.

Regards,

Mark Gill, P.E.
EMC/Safety/NEBS Design
Nortel Networks - RTP, NC, USA



> -----Original Message-----
> From: plaw...@west.net [SMTP:plaw...@west.net]
> Sent: Thursday, June 15, 2000 1:35 PM
> To:   EMC-PSTC; t...@world.std.com; nebs@world.std.com
> Subject:      Bellcore GP-1089 emissions testing: LISN test setup
> 
> 
> I'm looking through Bellcore GR-1089 Issue 2 Revision 1 for details on the
> test
> setup for conducted emissions testing.
> 
> I was under the impression that some of the measurements involved use of
> large
> RF bypass caps to ground, and the interference currents through the
> capacitor
> were measured.
> While I found spec limits and test setups for current probe-style
> measurements,
> all the figures simply display a power input network marked 'LISN', which
> I
> assume to be the standard 50 ohm network.  I can't find a reference that
> explicitly discusses the use of an RF bypass cap.
> 
> Could someone point me to the appropriate section?
> ----
> Patrick Lawler
> plaw...@west.net
> 
> -------------------------------------------
> This message is from the IEEE EMC Society Product Safety
> Technical Committee emc-pstc discussion list.
> 
> To cancel your subscription, send mail to:
>      majord...@ieee.org
> with the single line:
>      unsubscribe emc-pstc
> 
> For help, send mail to the list administrators:
>      Jim Bacher:              jim_bac...@mail.monarch.com
>      Michael Garretson:        pstc_ad...@garretson.org
> 
> For policy questions, send mail to:
>      Richard Nute:           ri...@ieee.org
> 
> 

Reply via email to