[time-nuts] HP 5065A A1 replacement with DDS

cdelect at juno.com cdelect at juno.com
Mon Jun 25 11:29:35 EDT 2018


My purpose was to provide an inexpensive (<$30.00) and simple way to
replace a defective A1 without degrading the performance the original A1
The Chinese DDS allows this without having to solder all those tiny pins!
Both styles actually performed better than the original, and the same in
a "super" mod unit.
I was not claiming "theoretical" perfect performance and rejected more
complex schemes on purpose.
Also the current drawn by the A1 is part of the current budget for the
TED so an A1 replacements current draw should be between 100 and 150 mA!



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