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Articles
Title
Tuner and Amplifier (T726E)
Lullaby TSBU Receiver (T712E)
Geiger Counter (T518E)
Regenodyne receiver (T437E)
Reflex Receiver (T1088E)
Radio without filtering (T1023E)
The Malodyne Radio (T948E)
3-tube Voltmeter (T897E)
Turntable Amplifier (T874E)
General Electric Receiver Model J501 (T850E)
RCA V50 Receiver (T735E)
Zenith 6D315 from 1939 (T672E)
Relay fluorescent blinker (T445E)
Battery Eliminator (T1141E)
Phonograph Amplifier (T1109E)
1-tube Voltmeter (T996E)
Receiver with the 1D8 (T924E)
Dipole antenna for FM (T797E)
Transmitter for 160 or 75 meters (T782E)
6L6 Amplifier (T759E)
3-tube Receiver Amplifier (T723E)
Dual Power Supply (T519E)
5-tube 3W Amplifier (T478E)
12W Amplifier (T493E)
Phonographic Oscillator (T460E)
5-tube Radio (T1124E)
Phase Inverter (T1089E)
Multipurpose Tester (T1044E)
Equalizer preamp (T875E)
1943 Metal Finder (T851E)

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Circuit Bench

  • Locked light alarm (CB6428E)

          We found this circuit in an Electronics Now from the 1990s. The circuit crashes when light strikes the...

  • Semi-isolated Colpitts Oscillator (CB25554E)

      This circuit was found in the February 1993 issue of Radio Electronics magazine. Some components depend...

  • LED photo sensor (CB6858E)

           In the figure we have the way to use a common LED as a light sensor. The operational power supply...

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