[Elecraft] VCO control voltage range

KA1YMX natesmall at hotmail.com
Sat Sep 4 10:03:10 EDT 2010


I am trying to adjust the VCO control voltage on the RF board and having an
issue. When the VFO is set to 3500 khz the voltage is around 1.5vdc but the
voltage goes above 7.5vdc around 4500khz. I checked c71-c74, and d21-d26 and
all are the correct parts. I checked T5 for the proper number of turns, 16
red and 4 green and the windings soldered to the correct hole. The book
states I need 16 turns red and 4 green but figures 6-16 and 6-17 both have
14 turns red and 4 green. Which is correct? Is there anything else I can
check?
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