13V 2A PSU Circuit

Overview This compact 13V/2A power supply, ideal for ham radio rigs and other VHF/UHF portable PMRs, utilizes the STR2012/13 voltage regulator IC from Sanken Electric Co. Many power supplies for handheld amateur radio rigs often … Read more

13V 2A PSU Circuit for Handheld Rigs

Switch-Mode Power Supply Circuit using LM2674

Overview For years, National Semiconductor has crafted and designed integrated circuits (ICs) tailored for switch-mode power supplies. Utilizing these devices is typically straightforward, thanks to the detailed documentation at hand. Take, for instance, the LM2671 … Read more

Switch-Mode Power Supply Circuit using LM2674

9V Regulated Power Supply Circuit

You should always make sure to use an appropriate current limit when powering sensitive components. A regulated power supply converts unregulated AC to a constant DC. It is used to ensure that the output remains … Read more

9V Regulated Power Supply Circuit

Transformerless Power Supply 6V DC

We all know the importance of power supplies in electronics. In our previous articles, we have already learned about their huge number of applications and uses in electronic devices and circuits. Yet, most of the … Read more

Transformerless Power Supply 6V DC

6V DC Transformerless Power Supply

In this tutorial, we are going to make a “6V DC Transformerless Power Supply”. Generally, electronic products have a step-down transformer, that enables the DC power supply to convert AC mains voltages to DC voltage. … Read more

6V DC Transformerless Power Supply

12v-and-5v-Dual-Power-Supply

Introduction To understand electronic devices and circuits, a power supply is generally considered the basic electronic circuit. We have seen that many junior students of electronic engineering start their circuit designing by making this circuit. … Read more

12v and 5v Dual Power Supply

5V Dual Power Supply Circuit

In this tutorial, we are going to make a “5V Dual power Supply circuit”. Most analog electronic circuits and many controllers or output actuators require dual power supply rails, for proper balanced operation. This gets especially critical … Read more

5V Dual Power Supply Circuit