[time-nuts] Austron 1120 questions
bg at lysator.liu.se
Fri Jul 27 14:58:00 EDT 2007
Got off-list feedback from Chuck Norton yesterday and put power to my
unit. Your pinout worked great with my unit. Thanks again! Initial current
consumption 250mA, later dropped to about 160mA. Fine tune adjustment
On Thu, July 19, 2007 0:30, Jeffrey Pawlan said:
> On Wed, 18 Jul 2007, Björn Gabrielsson wrote:
>> Just got my hands on a 1981 vintage Austron 1120. Nicely marked with
>> serial number, 10MHz output freq, 15 VDC input. There are coarse and
>> freq tuning.
>> But the four solder pins are just marked E1, E2, E3, E4. With the E4
>> the closest to the freq adjustments.
> I too have one dated 4/81 and the previous owner hand labelled the pins.
> I have not tested it to verify whether it was correct:
> E1 10MHz out
> E2 +15v
> E3 also +15
> E4 DC return
> I do not know why E2 and E3 are both tied together. Perhaps one is the
> oscillator and the other is the oven.
> Jeffrey Pawlan WA6KBL
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