Jim Osburn, WD9EYB
wd9eyb@arrl.net.
Klunky Schematic Editor
User's Guide
Indiana Kits Web Page
VFO from 2001 ARRL Handbook, page 17.74, figure 17.78.
VFO from 2001 ARRL Handbook,
page 14.20, figure 14.17.
Colpitts and Hartley Oscillators from 1948 ARRL Handbook,
page 75, figure 3-22.
Annotated Colpitts Oscillator
Biquad Active Bandpass Filter Schematic