[time-nuts] Austron 2200A investigation

Luciano Paramithiotti timeok.it at gmail.com
Sun May 19 04:13:39 EDT 2013


I have an Austron 2200A with FRS rubidium option. After 30 min. powerup and
locking, PPS and Freq alarm goes up. The receiver position and the FRS  are
ok. Looking the Rubidium and controller connection cable, I have seen the
pin 8 (frequency control)of the rubidium is never been connected. The
question are:

1) how the PLL can happen?  Cannot ! Different operation?
2) some one have the interface's schematic p.n. 10312676 "Osc cntl freq
cntr" ?

thank you,
visit : www.timeok.it

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