[sdiy] Theremin controller/Bi polar Pot question

RichR rrowley at btinternet.com
Sat May 19 15:03:16 CEST 2007


Hi
Thanks for the help.I managed to get a range of 12 inches by removing the 
inductor.So not quite sure what's going on there.

My other question is I have an ADSR and wanted to ask how i would go about 
haviling the level pot to give neg and positive outputs on the pot.Is it a 
case of having the inverted output on one pin of the pot,the uninverted 
output pin 3 and the bipolar output from the wiper.I cant find any example 
scematics anywhere

Thanks
Rich
----- Original Message ----- 
From: "RichR" <rrowley at btinternet.com>
To: <Synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, May 16, 2007 1:31 PM
Subject: [sdiy] Theremin controller


> Hi
> Following the messages on the list in May about the digital theremin I
> decided to build one.The theremin works but the arial range is restricted 
> to
> 6 inches.
> I've put a 68 MH inductor in series with the antenna but it made the
> smallest difference.
> Is there anything else I can try
>
> I used this schematic up to U6
>
> http://home.att.net/~theremin1/Glasgow/schematic.gif
>
> Thanks
> Rich
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