Power Supplies
DC power supply
6CA4 Power Suply
Tube Power Supply Design
8 Simple Power Supplies
Electronics Basics Link from Girl Scouts
Oscillators
Hartley Oscillator
Vacuum Tube Recievers and Transmitters
Crystal Sets to Sideband
Waveguides
How to build “cantenna”, a wave guide antenna out of a coffee can
Amplifiers
Vacuum Tube Audio Amplifier
Fun With Tubes - Amplifiers and Other Circuits
Vacuum Tube Amplifiers
Electronic Ampl;ifier Cuits
6N7 Tube QRP Power Amplifier
Detectors and Discriminators
Fun With Tubes
Homemade Tube Radio
Modulators
Heising Modulation
Methods for Generating Amplitude Modulation
The Simplest Modulator
