Here's a start: http://www.leapsecond.com/museum/fei5650a/
Then:
http://www.ko4bb.com/dokuwiki/doku.php?id=precision_timing:rubidium_oscillators
Then google: "5650A site:febo.com"
On 1/13/2012 5:41 PM, Rich (Buckeye) wrote:
Looking for FE-5650A Rubidium Frequency Standard Information.
I have obtained a FE-5650A unit that came out a piece of equipment
made for Lucent, which I think is telco equipment. RFS Part # FE-5650A
UN 62832, S/N 0404-71672 Option 5650A OPTION CPOM. The options do not
match with anything I have been able to find. The unit requires +15V
and +5Vdc on pin 4. It puts out a nice 3V pp wave form at very close
to 15Mhz. I hope I can set unit up to put out 15.1Mhz threw a doubler
to get 30.2Mhz for use with my IC-910 Radio.
Anyone have any good/bad experience with this unit.
I have been referred to the the following web page to try and program
this unit over the RS-232 interface, this manual seems to apply to the
FE-5680A series. I need to come up with a Serial TTL to RS232
converter as I can not see anything coming out of pin 9 with my scope
and the unit does not have a Max232 chip that I can see..
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