The simple Diode and LED Tester presented here costs under £5 to build ... The unit can also be used for basic diode tests on bipolar transistors, ... Circuit Operation ...

The circuit is simple enough: it uses a capacitor, a resistor, and a pair of diodes (one of them a zener diode). He uses this basic circuit to drive simple regulators with input and output filter ...

Figure 3 Two LED drivers operating in series or parallel let you boost zener voltage or current. Figure 4 shows an assembled zener-diode-tester circuit. The zener diode under test is On ...

Learn how to use a Zener diode, a series resistor, and a load resistor to create a stable and precise output voltage from a power supply, using basic formulas and components.

A basic LED lighting system architecture that showcasing overvoltage and overtemperature protection devices. ... diodes have been used for many years to protect circuits from low-voltage ESD events ...

Highly efficient passive Light Emitting Diode (LED) driver configurations are studied and examined in this paper. The technology based on the LED becomes a promising lighting technology to exchange ...

The recent discovery of the tunnel diode with band-widths extending into the kilomegacycle region has prompted investigation of their use in the logic and control portions of high-speed computers.

The diode transmits electrical current at room temperature, and its design lends itself to easy, ... Low Power Computer Circuits, Memory Date: November 15, 2005 Source: Ohio State University ...