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  • Dual Adjustable Power Supply Using LM 317

    2015-03-23 00:37:0998

    Dual Adjustable Power Supply Circuit Description This is the circuit diagram of a dual adjustable power supply using ICs LM 317 LM 337.LM 317 is able t...

  • DC to DC Converter 12 Volt to 21 Volt

    2015-03-23 00:34:3879

    This 12 V to 21 V DC to DC Converter can perform nicely at 500mA maximum current. In case the current exceeds 500 milli-amperes, the voltage will drop ...

  • High Power Broadband Antenna Switch Circuit Design

    2015-03-23 00:23:5176

    The following circuit shows an example of a high power boad-band antenna switch which is designed to operate over the 10 to 100Mhz band. The switch con...

  • 12V 20Amp Power Supply by IC 7912 2N3055

    2015-03-23 00:21:53256

    Here is12 volt power supply20A , USELM7912and 2N3055 . It easy circuit , Low cost. see detail more in image. Thispower supplyis the result of the use o...

  • 12 V Car battery charger based 7812

    2015-03-23 00:13:5879

    Below isa verysimplecircuitthat can be usedto charge12vcar battery. In this circuitthere isinstallationstocontrolthe charging currentand voltage. Theci...

  • UHF_SYNCHRONIZER

    2015-03-23 00:00:23102

    Simple tunnel-diode circuit can synchronize any scope to any constant frequency up to signal-bondwidth limits of scope, even though bandwidths are grea...

  • Solid State Power Controller

    2015-03-22 23:59:0471

    Circuit diagram About the Circuit The ckt is built around two 555 timer ICs. U1 and U2. U1 is wired as a variable duty cycle oscillator with a constant...

  • Output 15OV/100mA regulator circuit diagram

    2015-03-22 23:46:2672

    The figure shows the output 150V/100mA regulator circuit. VT3 is the over-current protection circuit, when the output is in short circuit, VT3 protecti...

  • Power Supply for Amlifiers [B]

    2015-03-22 23:43:5484

    Proposed power supply for amplifier 100W v-mosfet [ 1 ] is what appears in the above form. It has separated supply for the various stages of supply, st...

  • POSITIVE_REGULATOR_WITH_PNP_BOOST

    2015-03-22 23:36:2669

    The IC8211 provides the voltage reference and regulator amplifier, while Q1 is the series pass transistor. R1 defines the output current of the IC8211,...

  • VOLTAGE_CONTROL_OF_ASTABLE_MVBR

    2015-03-22 23:32:43129

    Addition of two transistors to basic astable mvbr gives voltage-controlled constant-duty-cycle variable-frequency operation. Frequency range is 210 cps...

  • Op Amp Power Driver

    2015-03-22 23:19:4072

    Frequently, the output current of an operational amplifier is inadequate for the application as, for instance, when a s mall motor or loudspeaker has t...

  • Stun Gun with 555

    2015-03-22 23:05:20202

    This stun gun is powered by a 9V battery. The transformer steps up the voltage to about 1800V (but with very low current). A 555 timer IC is used to ge...

  • Variable Dual Lab Power Supply CIRCUIT (LM337)

    2015-03-22 23:02:4897

    This article describes the Variable Dual Lab Power Supply CIRCUIT (LM337). The principle is very simple, very practical. The circuit components can hel...

  • Dual Polarity Power Supply CIRCUIT (LM7824T)

    2015-03-22 23:01:0493

    This article describes the Dual Polarity Power Supply CIRCUIT (LM7824T). The content is very simple, very helpful. Components in this article can help ...

  • AC Power Current detector Circuit with LM1458

    2015-03-22 22:47:3971

    This circuit will detect power line currents of 250 mA or more without making electrical connections to the line. Current is detected by passing a line...

  • +/-5A Voltage Controlled Current Source

    2015-03-22 22:47:2372

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  • Intelligent pulse electric bike charger diagram

    2015-03-22 22:30:0594

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  • 1.5 volt LED flasher schematic

    2015-03-22 22:27:42123

    This 1.5 volt led fasher runs more than a year on a single 'd` cell and alternately flashes 2 LEDs at about a 1 second rate. The circuit employs a 74HC...

  • 12V input, 12V battery charger

    2015-03-22 22:20:1983

    Some of you might wonder why a charger is needed at all, to charge a 12 Volt battery from a 12 Volt source! Well, firstly the 12 Volt source will typic...

  • Low-power-magnetic-current-sensor

    2015-03-22 22:20:1594

    A transducer senses a direct current magnetically, providing isolation between the input and the output. The detecting-and-isolating element is a satur...

  • TDA7482: Single Chip 25 Watt Mono Class-D Audio Power Amplif

    2015-03-22 22:16:24186

    This class-D audio power amplifier is suitable for TV and home stereo set. TDA7882 IC chip provides class-D audio power amplifier solution. Since this ...

  • Triple Output Power Supply (5V, 15V, -10V) for LCD Displays

    2015-03-22 22:09:3669

    View Full Size Image View Original Datasheet From 2.7V to 4.2V, the LT1944-1 generates 3 supplies (5V@40mA, 15V@2.5mA, -10V@1mA) required to bias a sma...

  • The power supply circuit diagram of AOC CM-314 color display

    2015-03-22 22:08:2965

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  • 10A power supply circuit design electronic project

    2015-03-22 22:05:1475

    Power Supplies Circuits This 10A power supply circuit s based on the ISL8200M IC which require few external components and is very easy to build but is...

  • 200W atx power supply circuit

    2015-03-22 21:59:3093

    200W ATX power supply circuit diagram The schematic diagram come from circuit: 200W ATX Power Supply Circuit power supply. Go to that page to read the ...

  • Power Supply 6V-9V for a calculater

    2015-03-22 21:53:3779

    The circuit that see this is power supply 6V to 9V (Input 12V) of a calculator. That have preventing something through the circuit in. The part that pe...

  • 5_V_PEAKS_UPTO_2_MHz

    2015-03-22 21:53:0095

    Peak-to-peak detector using Optical Electronics 9412 opamps gives DC output voltage equal to peak-to-peak amplitude of sine-wave input voltage Opamp ch...

  • 5 volt power supply circuit project using LTM8021

    2015-03-22 21:52:2092

    A very simple 5 volt power supply circuit project can be designed using the LTM8021 and will provide a maximum current up to 500mA. Almost all required...

  • 2_10V_P_P_TRUE_RMS_T0_600_kHz

    2015-03-22 21:52:0678

    Input waveform is squared by first Motorola MC1594 multiplier, and current output is converted to voltage by opamp for driving second multiplier which ...

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