Circuit Bench

Articles
Title
Test Circuit for Inductor (MSB005E)
1,2 to 1,4 V Power Supply (MSB004E)
Micro Voltage Regulator (MSB003E)
Constant Current Source (MSB002E)
Transformerless Power Sup (MSB001E)

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Code Practice TTL Oscillator (CB4188E)
This simple Morse Code oscillator was found in a 1980s American documentation. The power supply...
Standard Crystal Oscillator (CB5127E)
This is a common crystal oscillator configuration with 80s transistors. The circuit has the...
200 Hz to 2 kHz VCO (CB25247E)
Using the 4046 PLL we found this circuit in the December 1989 Radio Electronics. The circuit...