[R-390] LINE /AUDIO POTS
Norman Ryan
nnryann at yahoo.com
Thu Mar 17 03:44:12 EDT 2016
Great suggestion, Steve. So, with a 2.5k linear pot I just connect a 500 ohm (20% of 2.5k) resistor as you describe -- or should the resistances of pot and resistor be proportionally higher so they add up to 2.5k?
73Norman
From: Steve Toth via R-390 <r-390 at mailman.qth.net>
To: "jupete at internode.on.net" <jupete at internode.on.net>; "r-390 at mailman.qth.net" <r-390 at mailman.qth.net>
Sent: Thursday, March 17, 2016 1:29 AM
Subject: Re: [R-390] LINE /AUDIO POTS
If you need log pot response from a linear pot one method that works is connecting a resistor that's 20% of the value of the linear pot between the ground end solder lug and the center variable contact solder lug.
- Steve K7PZN"Always look for a positive solution then Improvise, Adapt, and Overcome"
"Sometimes it is the people who no one imagines doing anything, who do the things that no one can imagine".....
From: Pete Williams <jupete at internode.on.net>
To: r-390 at mailman.qth.net
Sent: Wednesday, March 16, 2016 8:53 PM
Subject: [R-390] LINE /AUDIO POTS
G'day All.....
Gary Schneider from 'Playthings Of the Past... have just told me
that 2.5k pots only available in linear taper.
Cheers
Pete
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