Re: First layout attempt

Posted by Frank_NH on Jun 26, 2017; 4:46pm
URL: http://guitar-fx-layouts.238.s1.nabble.com/First-layout-attempt-tp38811p38837.html

20K will work for 2N5457, J202, MPF102 and JFETS with similar Vp and Idss.  J201s will probably need 50K (drain resistance will be about 20K for a source resistor = 1.8K and drain voltage of 5V).  If you want to try a range of JFETs, use 50K.