[Lowfer] High value variable cap

Jordan outposter30 at shaw.ca
Mon Oct 31 12:35:55 EDT 2011


Yes....or switch the S.M. caps or even ceramic caps work, manually as you 
work downward in frequency....

ymmv...73...Jordan VE6ZT

----- Original Message ----- 
From: "Alan Melia" <alan.melia at btinternet.com>
To: <lowfer at mailman.qth.net>
Sent: Monday, October 31, 2011 10:18 AM
Subject: [Lowfer] High value variable cap


> Hi Andy If you do get a 0 to 1000pF or even 0 to 2000pF you may find it
> difficult to tune! Estimate the range of capacity you want for your coil 
> and
> frequenccy required and you will probably find yu want say 1400 to 1650pF
> .....then 1350pF of silver micas and a 350pF variable in parallel would be
> far easier to tune.
>
> Good lucck with it
> Alan G3NYK
>
> ______________________________________________________________
> Lowfer mailing list
> Home: http://mailman.qth.net/mailman/listinfo/lowfer
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Lowfer at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html 



More information about the Lowfer mailing list