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Articles
Title
Variable capacitors (ART585E )
What Wide Bandgap and Ultra-Wide Bandgap Means (ART583E)
How Electromagnetic Weapons Work – The Electromagnetic Cannon (ART573E)
What Are and How Digital Potentiometers Work (ART570E)
Analogue Computing - From Past To Future (ART569E)
Inertial Sensors - How They Work (ART569E)
How Capacitors Store Energy (ART566E)
Gyrostatic Bicycle (ART558E)
What are spherical lenses (ART548E)
Air Quality Sensors - How They Work (ART545aE)
Research and Project Development - How to do it correctly (ART514E)
Capacitors (ART512E)
Refraction (ART511E)
How Resonant Circuits Work (ART505E)
Voltage References (ART504E)
How the Reed Switch Works (ART503E)
How the Voltage Comparator Works (ART502E)
Rectification - How it Works (ART501E)
TRIAC - How It Works (ART500E)
How Oxygen Sensors Work (ART479E)
QR Code - How It Works (ART424E)
Do You know the Alternistor? (ART422E)
Get to Know the Features and Specifications of the IGBTs (ART402E)
How to Properly Use Thyristors (ART399E)
How Diacs and PUTs Work (ART397E)
How They Work - SIDAC and LASCRs (ART396E)
Histeresis (ART376E)
How They Work - Servos (MEC103E)
Get to know the bridges (INS030E)
How they Work - REED-SWITCHES (MEC100E)

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Circuit Bench

  • 1 mA Constant current sourcer (CB1197E)

        The transistor of this constant current source may be the BC548 or equivalent. Resistor R2 may be...

  • Proximity sensor (CB8766E)

           This proximity sensor was found in a 90s Popular Electronics. The base is a PLL567 that operates...

  • High Quality Tone Control (CB12303E)

      This circuit, from 1990 documentation, can be assembled with BC558 transistors for Q1 and Q2,...

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