This charger circuit will step up the voltage from 1.5V to 5V DC to reach the cell phone charging ... and main winding P is composed of 6 turns of #24 AWG wire. The 5.1V zener diode and 2200uF ...

Although 5V-powered logic isstill common ... (Peripheral Component Interconnect)-bus clamp diodes in the FPGA’s I/Oblocks with an external series-limitingresistor to prevent damage to the FPGA(Figure ...

and ‘however…’ statements. A zener diode is like a normal silicon diode, where a forward biased diode will pass current with a ~1 volt drop. When a zener diode is reversed biased ...

For many years, designers used Zener diodes as simple shunt voltage regulators (Fig. 1). With a single resistor, the device will maintain the fixed voltage which was set during the manufacturing ...