Zero crossing detection using op-amp

zero crossing detection: Zero cross detection is used in many applications like controlled voltage rectifier and resonant power supplies.You can use simple op-amp for zero cross detection if you have little bit knowledge of operational amplifiers.   remember me in your prayers in return :)if you still have any question,feel free to comment on this […]

Continue reading


What is inverter? what is difference between different kind of inverters available in market

Inverter is basically a simple electrical device which converts DC voltage into AC voltage.There are many applications of invertes like inveter use in UPS and in variable frequency driver to control speed of induction motor.But  in this tutorial I will tell you about inverter use in UPS.  Why and Where inverter is used? we use […]

Continue reading

Totem pole tutorial

What is totem pole? Why and Where it is used? Totem pole basically an output driver circuit use to convert one level of voltage into another level of voltage. For example, you want to drive gate of MOSFET with the help of microcontroller output pin.The microcontroller output pin is generating a square wave of voltage […]

Continue reading

How to use transistor as a switch

     How to use transistor as a switch : How to use transistor as a switch in electronics circuits, how to use transistor as a switch in microcontrollers projects.In many application we need to interface transistor with micocontroller. Why we need to interface transistor with micocontroller? The reason is that microcontroller pin can’t provide output current more than 3mA and voltage more than 5V. […]

    Continue reading


    1 56 57 58