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• 200MHz400MHz VOLTAGE controlled OSCILLATOR
  If you need a clean emitter coupled logic (ECL) type signal between 200MHz and 400MHz this circuit works fine. It uses four voltage-controlled capacitors to change the frequency.

2 Stage Chaotic Colpitts Oscillator for the UHF range:  (added 2/05)

CMOS Inverter VCO tunes octave to UHF:  11/19/98 EDN-Design Ideas / (Electronic Circuit diagram added 03/03)  

Rolling code 4-channel UHF remote Control:  (Electronic circuit added 4/05)

Two Stage Chaotic Colpitts Oscillator for the UHF range:  (added 2/05)

UHF TV PreAmplifier:  (Electronic Schematic / circuit added 4/02)

UHF: 100W Transistorized Amplifier:  (Electronic circuit added 4/05)