[time-nuts] Reverse isolation
Didier
didier at cox.net
Tue Mar 10 02:30:21 UTC 2009
All this sounds quite a bit more expensive and expansive than 3 ECL gates,
even if one uses 3 packages to improve isolation...
Didier
> -----Original Message-----
> From: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Bruce Griffiths
> Sent: Monday, March 09, 2009 9:08 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] Reverse isolation
>
> Didier
>
> A 10-1000mW of single mode ECDL helps.
> But then you need a modulator.
> You would also need to avoid frying any photomixer at the other end.
>
> Bruce
>
> Didier wrote:
> > But not necessarily lowest noise
> >
> > Didier
> >
> >
> >> -----Original Message-----
> >> From: time-nuts-bounces at febo.com
> >> [mailto:time-nuts-bounces at febo.com] On Behalf Of Don Latham
> >> Sent: Sunday, March 08, 2009 8:48 PM
> >> To: Discussion of precise time and frequency measurement
> >> Subject: Re: [time-nuts] Reverse isolation
> >>
> >> Best isolation is via a piece of fiber optics.
> >> Don
> >>
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