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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: Re: VLF/LF-Preamp |
| From: | pws <[email protected]> |
| Date: | Wed, 30 May 2012 18:24:05 +0200 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <003a01cd3cee$0e74a1a0$1502a8c0@Clemens04> <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
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Hi Chris, You wrote: ... Sorry I missed your earlier posts in the change to Yahoo Groups. I'd like to try a balanced probe - are you using the same circuit (with INA111) as on the www.vlf.it site or have you modified it? ... O.K. - here's the schematic once again: http://www.df3lp.de/misc/rx/INA111_preamp.png and the datasheet: http://www.ti.com/product/ina111 Indeed this is my 2. prototype. Here's a quick and dirty collection of the first for VLF: http://www.df3lp.de/misc/rx/efield/ Please keep in mind that both are prototypes and there's much room for improvement, especially at the input network. Peter, df3lp |
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