[time-nuts] HP 10811 EFC

I have in the past reversed the varactor, grounding R2 to get a positive tuning voltage from 1.5 to 12 Volt. Also brought out the 5.7 volt for reference purposes. That way every thing was positive. Is easy to get to. But now I have some very good units and I am worried I may change somethi

Re: [time-nuts] HP 10811 EFC

] On Behalf Of ewkeh...@aol.com Sent: Friday, October 29, 2010 5:00 AM To: time-nuts@febo.com Subject: [time-nuts] HP 10811 EFC I have in the past reversed the varactor, grounding R2 to get a positive tuning voltage from 1.5 to 12 Volt. Also brought out the 5.7 volt for reference purposes

Re: [time-nuts] HP 10811 EFC

-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of ewkeh...@aol.com Sent: Friday, October 29, 2010 5:00 AM To: time-nuts@febo.com Subject: [time-nuts] HP 10811 EFC I have in the past reversed the varactor, grounding R2 to get a positive tuning voltage from 1.5 to 12 Volt. Also