Julien wrote:
I'm somewhat tempted to take the schematic and see if I can fit it in
the comparatively tiny Pomona boxes
Before getting too excited about the various 8140 module designs, it may
be worth reflecting that the performance of the 8140 system is mediocre
at best from a time-nuts
ey had headers
> fitted before being returned to the box!
> >
> >
> >
> > Nigel, GM8PZR
> >
> >
> >
> >
> >
> >
> > -Original Message-
> > From: Julien Goodwin
> > To: gandalfg8 ; Discussion of precise t
>
>
>
> Nigel, GM8PZR
>
>
>
>
>
>
> -Original Message-----
> From: Julien Goodwin
> To: gandalfg8 ; Discussion of precise time and frequency
> measurement
> Sent: Thu, 14 Jun 2018 11:36
> Subject: Re: [time-nuts] Spectracom 8140T Line Tap Schema
On 14/06/18 23:31, gandalfg8--- via time-nuts wrote:
> Earlier replies that discussed removing the DC supply from the 8140 outputs
> gave me the impression your requirement was to connect directly the outputs
> of the 8140 without line tap modules, which is what I was addressing with my
>
ad headers fitted before being returned
to the box!
Nigel, GM8PZR
-Original Message-
From: Julien Goodwin
To: gandalfg8 ; Discussion of precise time and frequency
measurement
Sent: Thu, 14 Jun 2018 11:36
Subject: Re: [time-nuts] Spectracom 8140T Line Tap Schematic
I'm somewh
Hi
I think you would find a *lot* of smaller outfits “back in the day” running
hand soldering lines. Small scale wave solder for through hole did not
catch on the way reflow has for SMT. Dip solder was a rare item ….
Bob
> On Jun 13, 2018, at 11:28 PM, Charles Steinmetz wrote:
>
> Nigel
I'm somewhat tempted to take the schematic and see if I can fit it in
the comparatively tiny Pomona boxes, although I have far too many side
projects already, enough 10MHz taps, and I still need to do the terminators.
The VersaTaps are supposed to be an actual synthesizer IIRC.
Nigel wrote:
with far too many assorted internal photos plus details of said interesting
discovery, with extra brownie points to anyone who might already be thinking
foam and cardboard sandwiches:-)
Oh, my, that brings back memories! That method of "encapsulation" was
used by a number of
This is probably now well past its sell by date but over the years there have
been a number of requests here for schematics of the Spectracom 8140T Line Taps
as used with the 8140 Frequency Distribution Amp.
The standard reply has always been that no schematics were available from
