So, I'm thinking about building a phase 90 or similar.

[Brian Marshall]

Just have a question before i start, about the jfets used.  I believe they have to be pretty well matched.

how do i match jfets.... my dmm has a bipolar tester, but i dont think it will do a jfet.

[mattv]

This oughtta do it:

http://www.geofex.com/FX_images/fetmatch.gif

[Brian Marshall]

so im measuring voltage right?  ill print that out and give it a try.

i am really starting to have a love hate relationship with jfets.