Circuit Bench

Articles
Title
Sound Intensity Meter (CB21363E)
High Impedance Relay Driver (CB21221E)
Buffered Voltage Reference (CB21177E)
Peak indicator with hysteresis (CB21973E)
Wireless Microphone (CB21923E)
Guitar Amplifier (CB21901E)
FM Demodulator TBA120 (CB21885E)
Ramp generator with integrator (CB21845E)
Hearing Aid Amplifier (CB21797E)
Microphone Limiter (CB21761E)
Rectangular Oscillator 555 (CB21721E)
Mini amplifier (CB21697E)
Wein bridge oscillator (CB21680E)
Ramp generator for stepper motors (CB21604E)
Voltage Monitor (CB21505E)
CW Monitor (CB21439E)
Transistor Analyzer (CB21392E)
Touch switch (CB21299E)
Dial Signal Detector (CB21274E)
Astable with transistors (CB21244E)
Low Voltage Control (CB21155E) This low voltage power control was found in a Popular Electronics from the 90's. The MOSFET can be almost any type depending on the load current. It must have a heat sink. a hre
555 with active cycle (CB21130E)
PWM Control (CB21097E)
Photodiode Amplifier (CB21016E)
Simple Voltmeter (CB21781E)
Monitor for battery (CB21627E)
10V Reference Source (CB21529E)
Unijunction transistor sequential timer (CB21400E)
Video Summing Amplifier (CB21320E)
White noise generator (CB21342E)

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