Buck Boost converter circuit using LTC3440 Description. A very efficient buck boost converter circuit is shown here. The circuit is based on the LTC3440 buck boost regulator IC…
Voltage Converter Circuit – 6 to 12 volts One of our valuable readers asked us about any other application of the Audio amplifier IC TDA2003. Well, it can…
12 volt DC Power Supply from USB port The circuit given below infact is a 5 volt to 12 volt converter. It uses the 5 Volts from USB…
Dual Power Supply using LM 320 and LM 340 Bipolar or dual voltage supplies can be easily designed with the help of two 3-terminal regulators. This is shown…
INTRODUCTION Almost all basic household electronic circuits need an unregulated AC to be converted to constant DC, in order to operate the electronic device. All devices will have…
We have learnt in rectifier circuits about converting a sinusoidal ac voltage into its corresponding pulsating dc. Apart from the dc component, this pulsating dc voltage will have…
Polyphase rectifier In polyphase rectifier we will be discussing in detail the working, the input and the output wave forms of a three phase half wave rectifier and…
A Full-wave rectifier is a circuit arrangement that makes use of both half cycles of input alternating current (AC) and converts them to direct current (DC). In our…
Centre-Tap Full Wave Rectifier We have already discussed the Full Wave Bridge Rectifier, which uses four diodes, arranged as a bridge, to convert the input alternating current (AC)…
A simple Half Wave Rectifier is nothing more than a single pn junction diode connected in series to the load resistor. As you know a diode is to…
General Introduction to DC power supplies: The electrical power is almost exclusively generated, transmitted and distributed in the form of ac because of economical consideration but for operation…
Description. Here is a simple mains power failure alarm/detector circuit that produces an alarm whenever the mains supply fails. Lot of such circuits are available, but the peculiarity…
Description. Here is the circuit diagram of 9 V regulator using popular 7809 IC. The 7809 is a 9 Volt voltage regulator IC with features such as internal…
Description. 7805 is a 5V fixed three terminal positive voltage regulator IC. The IC has features such as safe operating area protection, thermal shut down, internal current limiting…
Transformerless power supply Circuit Description Here is a low cost and simple circuit that can be used to power up small electronics devices. The power is directly tapped…
6 Volt Regulator using IC 7806 Description Here is the elementary 6V 1A power supply circuit using 7806 IC. The 7806 three-terminal positive voltage regulator is available in…
Power Supply Circuit-40 Volts-2A LM317 is a widely used linear voltage regulator. It has 3 pins; input, output and adjustment. LM317 are energy wasters and always require a…
Dual Adjustable Power Supply Circuit A power supply is a circuit based electronic device that supplies the needed electrical energy to an electrical load. Power supplies can also…
