[time-nuts] Synthesizers

J. L. Trantham jltran at att.net
Wed Sep 4 01:04:44 UTC 2013


Paul,

Actually, I don't know about the jumper issue.  I think it worked with the
jumpers 'as they were'.

The thread was on the HP/Agilent group.

Joe

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of paul swed
Sent: Tuesday, September 03, 2013 6:45 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Synthesizers

Joe
On the 3325 I will also bet they had to change a jumper next to each socket.
HP was quite good about that. I just did sort of teh same fix on my HP54100d
that simply forgot. Lucky for me after 3 years of hunting someone finally
put a good set on Diddiers site.
Regards
Paul.


On Tue, Sep 3, 2013 at 7:38 PM, J. L. Trantham <jltran at att.net> wrote:

> There was a recent, fairly long, 'conversation' about the 3325A and 
> resurrecting it from a failed EPROM (and other problems, I think) that 
> ultimately was resolved by replacing the four Synertek 32K EPROM's 
> with two
> MCM68766 64K EPROM's.  From what I have been told, it was a simple 
> matter of removing the four 32K EPROM's from positions U1, U2, U3 and 
> U4 on the A6 Board and inserting the two 64K EPROM's at positions U1 
> and U2.
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] 
> On Behalf Of Jim Lux
> Sent: Tuesday, September 03, 2013 9:59 AM
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] Synthesizers
>
> On 9/2/13 7:50 PM, Bill Hawkins wrote:
> > Why do we hardly ever talk about synthesizers - those boxes that 
> > turn
> > 10 MHz into other frequencies?
> >
>
>
> We do.. there's a fair amount of talk about boxes like the PTS 
> synthesizers.
> And there's been talk about 866x series synths, and perhaps the 3325, 
> although I'd have to go search to be sure.
>
>
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