[Elecraft] Good site on basic fundamentals

[Ron Polityka]

Hello,

 I came across this site that has a theory section plus a parts section.

OpAmp Electronics
http://www.opamp-electronics.com/

72 and Thanks,
Ron Polityka
WB3AAL
www.wb3aal.com
www.n3epa.org/

K1 - SN 01011
K2 - SN 01392