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  • 0-50 volts voltage regulator

    2015-03-22 00:29:23398

    A very simple variable power supply circuit can be constructed using this electronic circuit diagram . This Circuit is use common components and is ver...

  • Variable power supply using 7805

    2015-03-22 00:19:41114

    Description. This circuit diagram shows you how to make a 5V to 12V variable DC power supply from a fixed 5V regulator IC 7805. This is attained by add...

  • How to build Power Amlifier 40W Class A

    2015-03-22 00:14:5575

    Description This is an audio power amplifier, with its final stage giving 40 W/8 Ω at Class A. The power transistors, are always ON , allowing a very ...

  • Beagle powered robot (BC556)

    2015-03-22 00:14:3168

    This article describes the Beagle powered robot (BC556). The content is very simple, very helpful. Components in this article can help you understand b...

  • Self-Powered Automatic Repeater

    2015-03-22 00:14:2666

    Figure 1 The circuit was designed to create an automatic repeater that would retransmit a received signal over the amateur radio frequency band. Repeat...

  • DC_POWER_SUPPLY

    2015-03-21 23:44:3670

    Here's the schematic for The Crusher dc power supply. The outputs are front-panel-mounted banana jacks. T1 is a 24- to 26-V transformer with 1- to 5-A ...

  • Bench Top Power Supply, Auto-Fan

    2015-03-21 23:26:0780

    ...

  • Automatic battery charger 14-15V input with 3A max current

    2015-03-21 23:15:1376

    Automatic battery charger circuit is possible to realize a battery charger with excellent quality that allows it to recharge the 12 volt car battery an...

  • Regulated Charge Pump

    2015-03-21 23:10:47107

    The dc-dc converter substitutes a voltage tripler in place of the external inductor and the diode that`s typically as sociated with the switching regul...

  • Power Subwoofer Filter Circuit using TL072

    2015-03-21 23:10:27933

    Here is power subwoofer filter circuit, the subwoofer filter circuit allows the addition of subwoofers to an existing full-range system, offering adjus...

  • 15 volts power supply using LT3512

    2015-03-21 22:56:5068

    Power Supplies Circuits A very simple dual 15 volts power supply electronic circuit project can be designed using the LT3512 switching regulator IC man...

  • LED Sensor Electronic Tracker with H-Bridge Drive

    2015-03-21 22:51:0495

    I decided to make a commercial surface mount PC board using the LED2 sensor concept. It is quite sensitive and can track to a few degrees of accuracy i...

  • Auto-Off Power Source

    2015-03-21 22:34:34107

    This is a Auto-Off Power Source circuit. This circuit is used to turn off the power source automatically. This circuit uses the MAX931 that has key fea...

  • LEVEL_INDICATOR

    2015-03-21 22:21:38113

    Visual indication of voltage level is achieved with two TIL203 LEDs, three resistors, and any opamp that can provide 15-mA output current. If input vol...

  • 5 Volt/1.5A Switching Power Supply based TNY264P

    2015-03-21 22:15:4183

    In recent years, this family of MC reached great popularity, they can be found on the DVD-player, modem, DSL, cost-supplying device, waiting for power ...

  • Switching regulator forms constant-current source

    2015-03-21 22:15:39105

    Many applications require current sources rather than voltage sources. When you need a high-current source, using a linear regulator is inadvisable, be...

  • Buck-Boost Converter In SuperCap Backup Power Supply

    2015-03-21 22:00:2877

    View Full Size Image View Original Datasheet The LTC3536 is an extended VIN range, fixed frequency, synchronous buck-boost DC/DC converter that operate...

  • Emergency power siren 6 watt

    2015-03-21 21:58:0570

    This be Emergency power siren Circuit 6 watt sizes. It use Digital IC number IC 4011 perform produce the frequency pulse generator, be beep danger char...

  • An Automotive Halogen Headlamp Power Supply

    2015-03-21 21:53:2570

    View Full Size Image View Original LT Journal This circuit example demonstrates using a SEPIC-based automotive halogen headlight power supply that impr...

  • Very Loud 3v Powered Beeper

    2015-03-21 21:51:0472

    Getting a high sound intensity from a piezoelectric type beeper is not easy when the available DC supply is only 3v. The circuit below is not only effi...

  • Power Supply Output Voltage Regulator by a Gyrator Circuit

    2015-03-21 21:29:38138

    Figure 1 In most of the power supply circuit designs, after the rectification stage of the AC signal, large, heavy and expensive electrolytic capacitor...

  • Battery Charge Current Indicator circuits

    2015-03-21 21:29:2477

    ...

  • Compaq power supply 200W

    2015-03-21 21:29:12112

    Today a friend who is computer repairman visits at a house. He thinks I does the website totals up the circuit. Then give compaq power supply 200Watt C...

  • UJT_MVBR

    2015-03-21 21:27:42102

    Unijunction transistor serves as multivibrator, with Q2 amplifying its output and providing isolation from load.-F. W. Kear, Unijunction Transistor Pul...

  • L200 0.1A to 2A / 2.85V to 36V Adjustable Power Supply

    2015-03-21 21:26:0385

    Figure 1 L200 is a both voltage and current regulator integrated circuit that provides an adjustable current output of up to 2A and adjustable voltage ...

  • Variable Power Supply Using Fixed Regulator

    2015-03-21 21:10:4284

    Variable Power Supply Using Fixed Regulator Description: This is a similar power supply that I used to power my FM Transmitter. After suffering long pr...

  • Transformerless power supply circuit principle

    2015-03-21 21:01:0892

    This article describes a transformerless power supply circuit. The circuit is relatively simple, it is easy to grasp. Here youll read the following dia...

  • 3.3V Piezoelectric Energy Harvester Powering a Microprocesso

    2015-03-21 20:54:4879

    View Full Size Image View Original Datasheet The LTC3588-1 integrates a low-loss full-wave bridge rectifier with a high efficiency buck converter to fo...

  • Self Powered Compressor

    2015-03-21 20:49:2367

    The most unique feature of this dynamic compressor circuit is that it needs no power supply, looks like as passive connector or adapter cables. The att...

  • Dynamic Compressor, Self Powered Circuit Design

    2015-03-21 20:47:4470

    This dynamic compressor will give about 20dB compression, at very wide input signal range 100 mV to 10 V. Another advantage of this circuit is that thi...

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