[SI-LIST] Re: passive but not reciprocal network
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 25 Nov 2013 03:32:20 -0800
If you have already reliably verified passivity then the network will be
reciprocal. If you are not fully confident that your passivity check
method is 100%, then you can use reciprocity as a double check.
Steve
On 11/25/2013 3:11 AM, bala wrote:
> Hi,
> While checking the integrity of s-parameter data, we do check passivity to
> ensure no gain and casulaity to guarantee there is no impulse response
> before T=0 (when freq domain data converted into time domain) and
> reciprocity.
>
> Some theorem says passive network always reciprocal. If a particular
> network is passive, then loss in both directions should be same.
>
> Do we really need to check reciprocity of a passive matrix?
>
>
> Regards
> bala
>
>
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