[time-nuts] About HP10544A

Didier didier at cox.net
Sun Mar 8 10:47:31 EDT 2009



> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Bruce Griffiths
> Sent: Saturday, March 07, 2009 8:48 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] About HP10544A
> 
> Scott Newell wrote:
> > At 07:41 PM 3/7/2009, Tom Van Baak wrote:
> >
> >   
> >> I know *late* model 5245L counters used the 10544A oscillator.
> >> Perhaps others in the group can provide other examples and 
> then you 
> >> can head off to the online manual sites and grab the info you need 
> >> from the PDF files.
> >>     
> >
> > My 5345A has a 10544A.
> >
> >   
> Scott
> 
> The 10MHz buffer is merely a cascade of 3 ECL line receivers.
> 
> Bruce
> 

Bruce,

How much isolation can on expect to get from that kind of buffer?

Didier





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