[sdiy] backwards pots. Whats the deal?

[Richie Burnett]

Thanks for sharing.  I hadn't actually seen this mixer topology before. 
It's nice to see a full analysis of it done with detailed calculations and 
results included.

-Richie,



-----Original Message----- 
From: Neil Johnson
Sent: Wednesday, April 01, 2015 7:23 PM
To: mark verbos
Cc: Synth DIY
Subject: Re: [sdiy] backwards pots. Whats the deal?

Hi Mark,

mark verbos wrote:
> I have noticed on some mixer circuits that the pots seem to be wired 
> backwards from a conventional voltage divider. i.e. signal into the wiper 
> and out of the CW end. What is the point of this? Should the pot still be 
> an audio taper?

I wrote up some notes on this exact issue some time ago:

http://www.milton.arachsys.com/nj71/index.php?menu=2&submenu=2&subsubmenu=4

Cheers,
Neil
--
http://www.njohnson.co.uk
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