Thanks George,
I used to work in a Motorola 2-way shop. The only heated ovens that
Motorola used were the 6.3V thermostatically controlled ovens. Those were
used in the old tube-style units. When they went solid-state, they used
TXCOs in both base and mobile units.
However, I'll check them out. Never know, there might be something useful
there.
Cheers,
Dave M
George Dubovsky wrote:
I'm not sure I remember the exact one you are describing, but in the
last month or so, there was a fellow selling crystal ovens on
QTH.com. I think they were from land-mobile service, like Motorola
base stations or some such. That's another place to search.
73,
geo - n4ua
On Fri, Apr 10, 2015 at 12:37 PM, Dave M <dgmin...@mediacombb.net>
wrote:
Years ago, (70s maybe) I came across an empty crystal oven. I know I
have it
in one of the storage containers of old stuff in my garage, but I
can't find
it. It was a proportional oven, but was otherwise an empty shell,
so you could put your own circuitry inside (oscillator, voltage
reference, etc.). Several small wires came out of it for power,
temperature adjustment, e.g. Physical size was in the neighborhood
of 1.5x1.5x3 inches.
As I remember, it was manufactured by one of the major crystal
manufacturers
of the day (e.g., Knight, Bliley, etc.)
Does anyone remember these ovens? I'd surely like to get my hands
on a couple or three to play with. I search the net & Ebay
occasionally for them, but so far, no hits.
Dave M
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