Most analyzers are not CISPR 16 compliant. Receivers are always easer to
read QP and Avg. directly. If you can pass the CISPR limits with a peak
reading (analyzer), you can most definitely pass the QP / Avg. limits
with a receiver.
For official testing a compliant (CISPR 16) device is always needed to
measure with.
Michael Sundstrom
NOKIA
TCC Dallas / EMC
ofc: (972) 374-1462
cell: (817) 917-5021
amateur call: KB5UKT
-----Original Message-----
From: ext Ken Javor [mailto:[email protected]]
Sent: Thursday, November 01, 2001 10:21 AM
To: Muriel Bittencourt de Liz; EMC-PSTC List
Subject: Re: Difference between SA and Receiver
Assuming 50/60 Hz power and CE measurements made at a CISPR 16 LISN EMI
port, the only possible difference I can think of is increased
probability
of 50/60 Hz overload with a spectrum analyzer capable of measurements
that
low. If your spectrum analyzer doesn't tune below 9 kHz, that shouldn't
be
a problem. In any case, the CE limits are such that you can easily
afford
to put a 20 dB pad on the LISN port and that should stop any overload
effect. An EMI receiver provides several features different than an
analyzer: increased sensitivity, front end filtering (preselection), and
(typically) a variety of detection modes, although spectrum analyzers
are
catching up in this regards. If you need to make average measurements,
this
is more easily accomplished with an EMI receiver.
----------
>From: "Muriel Bittencourt de Liz" <[email protected]>
>To: "EMC-PSTC List" <[email protected]>
>Subject: Difference between SA and Receiver
>Date: Thu, Nov 1, 2001, 8:15 AM
>
>
> Hello Group,
>
> What are the differences that result using:
>
> 1. A Spectrum Analyzer (SA)
>
> or
>
> 2. A Receiver
>
> When I make measurements of conducted emissions of an equipment??
>
> Best Regards
>
> Muriel
>
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-------------------------------------------
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To cancel your subscription, send mail to:
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All emc-pstc postings are archived and searchable on the web at:
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