Hi 10 MHz phase noise vs ULN:
Looks ugly Bob
10 MHz phase noise vs ULN.pdf
Description: Adobe PDF document
> On Nov 4, 2014, at 12:18 PM, Götz Romahn <[email protected]> wrote: > > The Alarm connector J3 is connected as follows: > pin 1 goes to pin 6 of U208 > pin 2 goes to pin 5 of U208 > pin 3 goes to pin 6 of U207 > pin 3 goes to pin 5 of U207 > > U208 (and eventually U207) are labeled 207a. This leads to IL207 from Siemens > which is an optocoupler. Pin6 of this is collector and pin 5 is emitter. Pins > 1 and 2 are laser diodes. > > All other pins of J3 look nc. > cheers Götz > _______________________________________________ > 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.
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