Essential for those who want to use the radio transmitters from a car to use in your home is you need a ham radio power supply DC-12V or DC-13.8V with enough power out of 5A to 30A. According to size of the a transmitter. I highly recommend this high-current power supply circuit. Because good performance, size of output 13V-14V depending on the load. And can be choose to create multiple sizes of 5A, 10A, 15A, 20A, 25A, 30A. According to actual usage. So allows to save and easier to build. Of course you can buy the power supplies of this simple and effective with a variety of sizes.But if you build them with your own or together build in groups of your friends, will be have a great time while creating this project. And when completed. Activated According to its function. It would be very proud. In addition this power [...]

This be DC power supply regulator circuit be simple. That can give voltage come out 12V and 5V by use part base be Transistor 2N3055 and Zener Diode 12V. Make can take volt can reach about 15V maintain one’s position voltage be stable 12V well. And change the integrated circuit LM309 for regulate about 5V for apply to Digital Circuit general get. For C3-0.1uF filter the frequency disturbs all well. For other detail friends see in the circuit please sir. Adapter for Experimenter, Dual for Digital and Analog Supply 5V and 9V The Adapter for Experimenter, Dual for Digital and Analog Supply 5V and 9V This circuit is designed in a simple manner, The zener diode ZD1=3.9V and ZD2-5.1V is Fixed reference voltage of this circuit. which we can define voltage with S1. Two transistor Q1-BC109C is drive to the power transistor 2N4032 PNP type, both increase the current output [...]

This circuit is 12V linear regulator for the receiver radios model transistor. which with regard to often use current the very. Especially when do signalling . The 2N3055 transistors that use in place circuit s pay electric this power. Then must pay the electric current has very much. For a resister R1 in the circuit will perform to decrease the quantity will of the electric power to will lose to go to down and make can use cheap transistor get . And in value filtration R1. As a result have Voltage fall straddle all about 2 Volt. The Zener Diode use 12.7V values or 12.6V 1Watt. This circuit size builds easy then convenient for friends. At a novice and seek easy equipment certainly. And still can pay the electric current has about 2 Amp. Request to have fun 12V linear regulator for Transceiver Radio circuits please sir. We also have [...]

Here is 12 volt power supply 20A , USE LM7912 and 2N3055 . It easy circuit , Low cost. see detail more in image. This power supply is the result of the use of components at hand (junk box). The core of the project is a number of 2N3055 transistors and a transformer with a 16 volt 18 amp secondary winding. (You can see more circuits that used the 2N3055 as main) As it is constructed using the parts I had available at the time it may not be the most cost effective design if all parts are purchased new. Circuit Rather than use a more conventional arrangement with a positive supply it was easier to use a negative supply and make use of a 7912 negative regulator as the voltage control. Then by using available NPN transistors to boost output, an output up to 20 amps can be obtained [...]

The basic car electrical system gives you around 12-13V when the engine is off and 13-14V when it is running. Not good for a computer, so the basic idea is to use a simple voltage regulator which takes an unregulated voltage in and outputs a regulated voltage. The LM1084IT-12 is a 12V, 5A, Low dropout voltage regulator in a TO220 package to which a heatsink will be added. The low dropout feature is nice as the cars supply varies so much. 12VDC 5.0A High Current Power Supply(other circuit) Source: http://www.zorg.org/projects/carpc.php Related Links Low Drop Out Regulator 12V power supply Power supply Switching Regulator 12V 3A by LM2576-12 Here is circuit Switching power supply 12V 3A. Or circuit dc converterstep down voltage. Use IC LM2576-12 SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator. Input DC Voltage 40Vmax and 16Vmin 3A. [...] 12V 5A power supply Regulator with LM2678-12 This is circuit [...]