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Articles
Title
Music box (CB8626E)
Half wave rectifier (CB9694E)
Ammeter (CB9660E)
Voltage to current power converter (CB9602E)
Car Battery Checker (CB9529E)
HeNe LASER power supply (CB9444E)
Vox (CB9423E)
Dataphone (CB9404E)
Telephone dialer extension (CB9299E)
Relay phase selector (CB9278E)
Wien Bridge Oscillator (CB9197E)
WWV 10 MHz converter (CB9184E)
Digitally controlled amplifier and attenuator (CB9030E)
RF power meter (CB8977E)
RIAA Line Drive Amplifier (CB8932E)
Low active cycle pulse oscillator (CB8920E)
LCD power supply with contrast control (CB8852E)
12V DC Regulator (CB8826E)
Operational power VCO (CB8779E)
Stepper motor controller (CB8769E)
Switched Stepdown Regulator (CB8693E)
Audio expander (CB8507E)
Third overtone TTL oscillator (CB9639E)
Car sequential flasher (CB9530E)
Crystal variable oscillator (CB9506E)
Digital thermometer (CB9486E)
Call light (CB9466E)
Single supply thermometer (CB9361E)
Neon oscillator with several outputs (CB9249E)
Battery Monitor (CB9130E)

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Circuit Bench

  • Transistor Hartley Oscillator (CB4576E)

          This circuit consists of a single Hartley oscillator using a bipolar transistor that can generate...

  • High Voltage SCR Variable DC Power Supply (CB13382E)

      We found this circuit in a documentation about SCRs from the 70s. The circuit can be implemented with a...

  • Audio Frequency Meter (CB4867E)

          This circuit was obtained in an old documentation, making use of an operational amplifier of the...

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