Theremin

[Minerva Research Ltd.]

>Return-Path: <owner-synth-diy at horus.sara.nl>
>From: dave.halliday at greymatter.com (Dave Halliday)
>Subject: Re:  Theremin
>Date: Sat, 12 Jul 1997 20:20:18 GMT
>Organization: Grey Matter - Seattle, WA  (206) 526-2400 data / 524-8080 voice
>To: synth-diy at horus.sara.nl
>Sender: owner-synth-diy at horus.sara.nl
>Precedence: bulk
>X-UIDL: 4e012352cecd8709dd771b1bbe40a552
>
>>     Now I found all replacement transistors for 1967 Theremin. Now I have 
>>     to get the adjustabale coils. 
>>     J.W.Miller has it for $16, which is quite expensive as I need four of
>>     them...
>>     I would like to wind them myself. I don't have any experience in this 
>>     but once it is the first time for everything... ;) 
>
>>     Does anybody have any idea where to start?  
>
>
>
>See if there are any amateur radio operators in your area - they will 
>know how to calculate the coil dimentions ( number of windings, 
>diameter, length ) and you can go from there.
>--- Via Silver Xpress V4.4 [Reg]
>

There are several programs that will calculate all this for you, based on
wire guage, core diameter, etc. I recall a DOS program named 'COIL'
(appropriately enough), but I'm sure there must be quite a few. See what a
web search turns up.

Angus Christian