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Basic Voltage Comparator C (CB25867E)
AC switch with trigger transformer for triac (CB25860E)
Isolation Transformer (CB25795E)
JFET Headphone Amplifier (CB25567E)
Automatic Flashlight Control 555 (CB25503E)
Divider by 5 Counter (CB25363E)
UV Sensor with UVTRON Tube (CB25942E)
Active Tone Control 741 (CB25835E)
Light Controlled Volley Oscillator (CB25763E)
Logic Controlled Latching Relay (CB25739E)
Car Battery Power Supply (CB25689E)
LM386 Oscillator (CB25409E)
Logic test with sound (CB25389E)
Audio Mixer with LM741 (CB25928E)
Light Switch 741 (CB25868E)
High Voltage Inverter (CB25669E)
Two-Transistor Broadband Amplifier (CB25637E)
Emitter Follower Complementary Stage (CB25623E)
Darlington Time Delay Switch (CB25613E)
Hartley for 1 MHz (CB25588E)
Voltage Doubler 555 (CB25543E)
555 Delayed Pulse Generator (CB25507E)
Light alarm activating SCR (CB25481E)
Audio Shield (CB25430E)
LED VU KA2283 (CB25369E)
Divider by 5 in second version (CB25364E)
Alarm with NC sensors (CB25946E)
Wien Bridge Oscillator with NTC Regulator (CB25909E)
Antenna Amplifier (CB25885E)
Unijunction Triac Control (CB25861E)

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Circuit Bench

  • Basic Voltage Comparator C (CB25867E)

      This circuit uses an LM339 and was found in the July 1995 Electronics Now magazine. The LED lights...

  • Alternating Voltage Regulator (CB1581E )

         National Semiconductor suggests the figure circuit for stabilizing the peak value of an...

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          Found in a 90s Silicon Chip documentation this circuit is intended to protect a speaker system in...

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