[time-nuts] HP5065A C-field mods and optical unit mods

ws at Yahoo warrensjmail-one at yahoo.com
Mon Nov 20 12:38:18 EST 2017



Just a 1 cent thought that may not apply or be accurate.


C-fields are current sensitive, so if they are wound with copper wire, any
small change in their temperature, even when temperature controlled, could
have a effect much greater than 1PPM on that current when driven from a
fixed voltage thru a resistor.

Does anyone use current drive?




Corby posted:

Attached is the schematic of the C-field supply.






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