Circuit Bench

Articles
Title
Optical Isolator and AC Trigger Power Switch (CB12414E)
Robot Ear (CB12396E)
Gain 10 Amplifier with the CA3140 (CB12305E)
er Coupling Crystal Oscillator (CB12251E)
Micro FM Transmitter (2) (CB12233E)
Delayed Reed Relay (CB12185E)
Voice Controlled Switch (CB12169E)
Sequential 4 LEDs with the 4017 (CB12136E)
FET MW and SW radio (CB12122E)
LED Constant Current Source (CB12062E)
Digitally Controlled Siren (CB11866E)
Medium Wave Pre-Selector (CB11826E)
SCR Electric Fence (CB11606E)
Pulsed Siren 4093 (CB11475E)
Microphone Preamplifier (CB12970E)
15 W amplifier (CB12875E)
26 V x 15 A Voltage Regulator (CB12839E)
Acceleration to Frequency Converter (CB12772E)
Tone control (CB12770E)
XTAL Overtone Oscillator (CB12702E)
Automatic Night Light (CB12662E)
5th Order Three Section Filter (CB12567S)
Servo Motor Amplifier (CB12522E)
Telegraphic Oscillator (CB12539E)
5 W amplifier using the TIP41 and TIP42 (CB12495E)
Stable preamplifier for Microphone (CB12462E)
DC Motor Control Stage (CB12355E)
Ultrasonic Scarecrow (CB12342E)
60 Second Delay using a PUT (CB12334E)
Multimeter with the CA3140 (CB12314E)

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