[time-nuts] Looking for info on Trimble 16634-10
kb8tq at n1k.org
Tue May 23 07:24:01 EDT 2017
If you guess that the design started in 90 and ran through 93~94 that
is a very early unit for Trimble. 16.384 MHz suggests some sort of telecom
or data bus application.
> On May 22, 2017, at 11:48 AM, Scott Armstrong <aa5am at vntx.net> wrote:
> Hi Guys,
> I popped open the case. Not too crowded in side. The case is an extruded
> aluminum case that has the back endplate welded on.
> There are 4 board assemblies in the case.
> *Interface board that connects the 22 pin connector to the other two boards.
> * Power supply board. (12016-00). Main component looks to be a DC-DC
> converter made by Computer Products.
> * Main board (14636-) This board has a 16.368 MHz osc made by NDK.
> * A daughter board (14789E) which is the receiver and is attached to the
> main board.
> Date codes I see are 89, 91, 92 and 93 so unit was probably assembled in
> Maybe some of the assembly numbers will be recognizable if they are used in
> other units.
> Scott AA5AM
> On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins <bill.iaxs at pobox.com> wrote:
>> FWIW, that looks like aviation equipment (gov't or civil), with a
>> locking connector.
>> That stuff is designed for minimum size and weight. You might find the
>> inside of the box quite cramped.
>> Buying aviation parts is even more expensive than buying boat parts.
>> Bill Hawkins
>> -----Original Message-----
>> From: time-nuts on behalf Of Bob Bownes
>> Sent: Friday, May 19, 2017 10:48 PM
>> Pretty sure that connector is an off the shelf Amphenol part. If you
>> can't find it, however, you can replace it with an off the shelf one
>> that will fit in the same hole. (If your lucky, you can even re-use the
>> The replacement will run you about $30-40 for the pair, chassis and
>> plug. Check Mouser, etc.
>>> On May 19, 2017, at 23:21, Bob kb8tq <kb8tq at n1k.org> wrote:
>>> The mating side of that 22 pin connector isn't going to be cheap. It
>>> looks like something out of their government systems group back in the
>> late 90's. If it is, you may have a hard time getting info on it.
>>> I'd pop it open and see what's inside. At least that will give you an
>>> idea if it's 20 years old or 5 years old. Knowing the era should help
>> in the search for information.
>>>> On May 19, 2017, at 10:21 PM, Scott Armstrong <aa5am at vntx.net> wrote:
>>>> I acquired a Trimble 16634-10 receiver. A search of the web has
>>>> turned up nothing so far.
>>>> The unit is in a steel box built like a tank. SMA connector for
>>>> antenna input and a 22 pin circular connector for the I/O and power
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