FET Colpitts Oscillator (CB22394E)

This ultra-simple circuit has the frequency determined by the LC network. Any general purpose JFET can be used.

8 A power supply (CB8464E)
This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of...
Audio Selective Filter (CB24272E)
This sophisticated filter for audio signals was found in Radio Electronics magazine. The...
Sound Operated Flash (CB10379E)
This circuit was found in a 1977s English magazine. The SCR can be the TIC106 and the transistor the...