Temperature control (CB10167E)

This circuit controls a direct current heating element. Power transistors must be load dependent. The components support modern equivalents.

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Neon Fuse Blown Monitor (CB24104E)
This circuit was found in the January 1971 Radio Electronics magazine. It keeps the light flashing if...
Fuel Pump Oscillator (CB6338E)
Found in a 1965 Motorola documentation this circuit drives magnetic-type fuel pumps found in cars...
Two-Transistor Regenerative Detector (CB20255E)
This regenerative detector circuit operates over a wide range of frequencies. The circuit was...