Hi 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.
Bob > On May 22, 2017, at 11:48 AM, Scott Armstrong <[email protected]> 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 > '93. > > Maybe some of the assembly numbers will be recognizable if they are used in > other units. > > Thanks, > Scott AA5AM > > > On Sat, May 20, 2017 at 12:33 AM, Bill Hawkins <[email protected]> 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 >> pins.) >> >> 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 <[email protected]> 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. >>> >>> Bob >>> >>>> On May 19, 2017, at 10:21 PM, Scott Armstrong <[email protected]> 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 >>>> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
