[Amps] Tuned Input Trimmer Capacitors

[R.Measures]

>I'm using toroid core inductors.  It's been a trial
>and error task to find the correct component values. 
>I felt using trimmers would simplify the job.  

***   L  figures into Q, so L can't be just anything if C-in and C-out 
are adjustable.

>I'm
>using relay switched tuned input circuits on a circuit
>board.  The stray capacitance and inductance makes it
>a little more challenging.  20 meters is eating my
>lunch.  80 and 40 meters worked out fine.
>
>The MOF resisotrs I got from you a few years ago are
>top notch.  I use them as equalizing resistors across
>the electrolytic capacitors.
>
>73,
>Bill
>--- "R. Measures" <r at somis.org> wrote:
>> ***   Surely, but the L still needs to be correct in
>> order to arrive at 
>> the needed Q of c. 2. 
>> 
>> >Why not use the correct ARCO ceramic trimmer for
>> tuned
>> >input Cin and Cout instead of silver mica
>> capacitors? 
>> >ARCO supplies ceramic trimmers of many different
>> >ranges and voltage ratings.  Would make adjusting
>> the
>> >circuits a lot simplier.
>> >
>> >73,
>> >Bill
>> >
>> >=====
>> >Bill Smith KO4NR
>> >
>> >__________________________________
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>> 
>> 
>> -  R.L. Measures/Rich..., AG6K, 805.386.3734,
>> www.somis.org 
>> 
>
>
>=====
>Bill Smith KO4NR
>
>__________________________________
>Do you Yahoo!?
>Exclusive Video Premiere - Britney Spears
>http://launch.yahoo.com/promos/britneyspears/
>


-  R.L. Measures/Rich..., AG6K, 805.386.3734, www.somis.org