Re: [time-nuts] Schematic needed

[Joseph Gray]

Thanks to two list members, I got what I needed.

Joe Gray
W5JG
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Re: [time-nuts] Schematic needed

[Nick Sayer via time-nuts]

I don’t know about that particular one, but I designed an equivalent board and 
was selling it on Tindie a little while ago. I replaced it with a full-on GPS 
discipline board that powers and trims the 5680 from GPS. But if all you want 
is the power part of it, I still have the design for the simpler breakout 
board. It takes anything from 18-24 VDC in (I like to use surplus laptop power 
supplies) at 30W+ and makes the +15 and +5 supplies with two buck converters. 
It also has a self biased inverter and clock fan-out chip on board to give you 
four independent square wave outputs. I kinda think the GPS version is nicer, 
though.

> On Oct 2, 2016, at 1:21 AM, Joseph Gray  wrote:
> 
> Can someone send me the schematic for this:
> 
> https://www.febo.com/pipermail/time-nuts/2012-January/062616.html
> 
> I looked through the list archives but didn't find the schematic
> posted anywhere.
> 
> 
> Joe Gray
> W5JG
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Re: [time-nuts] Schematic needed

[Bob Camp]

Hi

Be *very* careful hooking up to a 5680. There are an unfortunately large 
number of pinouts and power options. As far as anybody knows, there is
no easy way to figure out what you have from the outside of the unit.  Since
the connections are incompatible with each other, the “try it and see” approach
is not recommended. 

Bob

> On Oct 2, 2016, at 4:21 AM, Joseph Gray  wrote:
> 
> Can someone send me the schematic for this:
> 
> https://www.febo.com/pipermail/time-nuts/2012-January/062616.html
> 
> I looked through the list archives but didn't find the schematic
> posted anywhere.
> 
> 
> Joe Gray
> W5JG
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[time-nuts] Schematic needed

[Joseph Gray]

Can someone send me the schematic for this:

https://www.febo.com/pipermail/time-nuts/2012-January/062616.html

I looked through the list archives but didn't find the schematic
posted anywhere.


Joe Gray
W5JG
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Re: [time-nuts] Schematic needed

[Charles Steinmetz]

Perry wrote:


I bought a HP 105B that is a later version. All the manuals I've searched for 
end up being for the original version.


I'm pretty sure the file on Didier's site is the later version (1989) 
with 10811.


Best regards,

Charles


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[time-nuts] Schematic needed

[Perry Sandeen via time-nuts]

Hi,
I bought a HP 105B that is a later version. All the manuals I've searched for 
end up being for the original version.
My S/N prefix is 2848Ao or 0.
Plse reply off list if you have even just a ski.
Regards,
Perrier
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Re: [time-nuts] Schematic Needed for TrueTime XL-DC

[Jason Rabel]

I *think* the XL-DC might still have some current links on the Symmetricom
site.

I've discovered that trying to get any schematics from them is impossible,
even for old / obsolete equipment. But they love to comment on how you
should upgrade to their latest piece of hardware. ;)

Do you have a specific issue / question, or just curious about the design?

Jason

Greetings, and Good Friday to all,

Just a query as to whether anyone out there has any schematic diagrams for
the
TrueTime XL-DC that I can obtain either in hard copy or PDF?

Thanks in advance,

G. W. Ko,  E.D., M.S.E.E., PhD, ScD,
CsUTC Observatory
Wichita, Kansas   USA


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Re: [time-nuts] Schematic Needed for TrueTime XL-DC

[John Day]

At 11:38 AM 4/7/2007, Jason Rabel wrote:
I've discovered that trying to get any schematics from them is impossible,
even for old / obsolete equipment. But they love to comment on how you
should upgrade to their latest piece of hardware. ;)

Why? So you have something that is way more expensive and even less 
serviceable than the older gear ;)

John


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[time-nuts] Schematic Needed for TrueTime XL-DC

[NE8S]

Greetings, and Good Friday to all,

Just a query as to whether anyone out there has any schematic diagrams for the 
TrueTime XL-DC that I can obtain either in hard copy or PDF?

Thanks in advance,

G. W. Ko,  E.D., M.S.E.E., PhD, ScD,
CsUTC Observatory
Wichita, Kansas   USA

Email: [EMAIL PROTECTED]
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