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  • How to build Dual-rail Variable DC Power Supply

    2015-03-24 19:44:12131

    Description This design was conceived as an add-on for the Variable DC Power Supply, a very successful circuit posted to this website. This simple unit...

  • Cold-Cathode Fluorescent-Lamp Power Supply Circuit

    2015-03-24 19:33:3598

    This circuit is a 92%-efficient power supply for colrl-cathode fluorescent lamps (CCFLs), which are used to backlight LCD in portable equipment. The ef...

  • Switching Power Supply by IC UC3843 IRF740

    2015-03-24 19:05:354849

    This is a Somewhat Experimental Circuit and I Especially designed this circuit for those persons that want to Dabble in Switching Power Supply Designs....

  • Adjustable Regulated Power Supply 0-15V

    2015-03-24 19:05:08204

    Adjustable Regulated Power Supply 0-15V 1A. Adjustable Regulated Power Supply 0-15V 1A. The output voltage is stabilized and regulated in the range of ...

  • Laser Power Supply electronic circuit diagram

    2015-03-24 18:59:5690

    If you have ever worked with lasers, you know how fun and interesting it can be, you also know how expensive it can be. The high voltage power supplies...

  • Reverse Polarity Protection Battery Charger

    2015-03-24 18:58:3094

    This reverse polarity protection NiCd battery charger can charge up to 7 NiCd batteries connected in series. This number can be increased if the power ...

  • Parallel LED Nixie Tube Static Display Circuit

    2015-03-24 18:57:3975

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  • 1.25V Mini2440 Power Supply System Schematic Diagram

    2015-03-24 18:56:1288

    The mini2440s power system utilizes a voltage step-down chip to generate three kinds of voltages: 3.3V, 1.8V and 1.25V which connected to an external 5...

  • Power supply +20V/15A and +12V/3A

    2015-03-24 18:55:52175

    The circuit is based on application of National Semiconductor. First is constituted by three voltage regulators LM338 [IC1-2-3] connected ``in parallel...

  • Regulated Power Supply

    2015-03-24 18:41:24238

    INTRODUCTION Almost all electronic devices used in electronic circuits need a dc source of power to operate. The source of dc power is used to establis...

  • Power supply circuit

    2015-03-24 18:17:18105

    ...

  • Three-rail-power-supply

    2015-03-24 18:15:4186

    This circuit generates three supply voltages using a minimum of components. Diodes D2 and D3 perform full-wave rectification, alternately charging capa...

  • 3-24V / 3A power supply

    2015-03-24 17:51:50174

    This regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3 amps or more by sel...

  • Loss Of Power Supply Power Failure Alarm Circuit

    2015-03-24 17:47:3783

    This power failure alarm project is a power supply monitoring device that will trigger a buzzer when the mains supply cuts off. At the same time, the l...

  • High Efficiency 500kHz, 4.5A Step-Down Converter

    2015-03-24 17:45:0689

    ...

  • GELECTRONIC_DESIGN

    2015-03-24 17:31:20102

    Using a charge pump and oscillator, this circuit uses a 7-kHz oscillator. When the clock is high, C and D are on, grounding the positive side of C1 and...

  • Regulated Power Supply 30V 5A

    2015-03-24 17:23:01133

    This is a Regulated 0-30 V DC Power Supply manufactured by me in small numbers, 0-30V 5A and 5V -5A. It had a Switching Preregulator. This keeps the Vc...

  • C7458 Power Supply Circuit Diagram

    2015-03-24 17:22:49132

    ...

  • Dual Regulated Power Supply 15v

    2015-03-24 17:19:37124

    In this circuit, the 7815 regulatates the positive supply, and the 7915 regulates the negative supply. The transformer should have a primary rating of ...

  • Simplified principle diagram of non-isolation switching powe

    2015-03-24 17:14:1773

    In high-voltage switching power supply, it cancels power frequency transformer with isolation effect, and it isshown in the diagram. It is simplified p...

  • Power supply options

    2015-03-24 16:54:0577

    Power supply options The schematic diagram come from circuit: Computer Power Supply Options power supply. Go to that page to read the explanation about...

  • 7_AL_25_V_SUPPLY

    2015-03-24 16:46:4889

    The latest microprocessors use low-voltage processes that allow the clock frequencies to increase dramatically. Increased clock frequencies result in h...

  • Using a fixed regulator of variable power supply circuit

    2015-03-24 16:43:0774

    This article is to explain a fixed variable power supply regulator circuit. The circuit is simple but effective. For your more thorough grasp of this p...

  • Isolated Power Line Monitor with 0.5% Accuracy Over 90VAC to

    2015-03-24 16:30:3086

    View Full Size Image View Original Application Note This circuits AC power line monitor has 0.5% accuracy over a sensed 90VAC to 130VAC input and provi...

  • Sun Battery Charger Circuit

    2015-03-24 16:27:00109

    The above picture is sun battery charger circuit.Electronic filter (VT5) and regulating diode,VD3 constitute regulating circuit.Its stable voltage is u...

  • LM317 based Regulated Power Supply

    2015-03-24 16:21:00112

    This is a Regulated Power Supply based on the LM317 IC. It will need a Boost Power Transistor and heatsink for higher currents. It is a versatile build...

  • Low Voltage Power Supply Without Transformer

    2015-03-24 16:00:29134

    Figure 1 The circuit diagram was designed to create a power supply without utilizing any transformer circuit. This circuit illustrates the advantages a...

  • Regulated power supply circuit diagram composed of L296 mono

    2015-03-24 15:55:55745

    The features of L296 monolithic high-current switching power supply chip are: (1) Perfect protection function. It is equipped with soft start, over cur...

  • ATX Power Supply Pinout

    2015-03-24 15:46:4983

    The ATX power supply generates three main voltage outputs that are: +3.3 V ; +5 V ; and +12 V. Low-power 12 V and +5 VSB (standby) supplies are also ge...

  • Practical circuit of push-pull converter type switching regu

    2015-03-24 15:37:2582

    The diagram shows a practical circuit of push-pull converter type switching regulated power supply. CW494 is double-ended converter modulator integrate...

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