Converting PC Power Supply to Bench Supply Turn a surplus computer power supply into a bench power supply to run your amateur radio transceiver and other equipment Overview This project will show you how to turn an ATX power supply unit (PSU) from a computer into a bench power supply capable of providing the DC power necessary to operate your mobile amateur radio equipment as a base … There is still power flowing through the PSU if it plugged in but not switched on OK lets get straight into it remove the computer case and take out the screws (usually 4) at the back of the computer to release the power supply. Power supply & Chargers Updated: September 25, 2019 This is how to modify old Lead-acid battery charger or convert power supply to automatic battery charger form.

Their disadvantage is a poorly regulated output voltage and often a need to load both of the two main outputs (5 and 12V) at the same time.

Udo Theinert, DL2YEO shows how in CQ-DL 4/92. I used some 22awg solid phone wire to make the connections and once completed, I used a regular computer power cable to power … Now take out the 4 screws on top of the case and take the wires out of the hole then group wires of the same colour together and snip off the ends. A perfect project for the budding experimenter with no spare cash for test equipment. I have Dell d220p-01 power supply with 220w and 12v 18a output which i wanted to convert for Dell laptop with requirement 240w 19.5v power.
99 If you get the rectifier diodes (from another PC power supply) you can put the high current rectifiers in the -12 V. Hi. It regulates the voltages by rapidly connecting and disconnecting the load circuit (switched-mode power supply). With no load on the 5V output, my PC power supply produces less than 11V on the 12V output.

In this Instructable, I will show you how to convert a computer power supply into a regular DC power supply … DC to DC converter circuit 12 volt input 15 volt 2 amp converter circuit MC34063 output power raises Step-Up-Down and Inverting can function as integrated switching is used.. DC / DC converter circuit general characteristics; Input voltage: 10. 14volt Output voltage: 15 volts, 2 amps Yield: 80%. 00. Most modern desktop personal computer power supplies … With an appropriate load on the 5V side, the 12V side produces just over 12V. CDN$ 29.00 CDN$ 29. A computer power supply converts the AC power from the wall outlet into smaller DC voltages that power the various components of the computer. The voltage on pin 1 is compared to a The voltage on pin 1 is compared to a reference voltage on pin 2 which is set to 2.5 Volts also. Modern personal computers universally use switched-mode power supplies.Some power supplies have a manual switch for selecting input voltage, while others automatically adapt to the mains voltage..