by Tarun Agarwal 11 years ago Transistors – Basics, Types & Baising Modes Introduction to Transistor: Earlier, the critical and important component of an electronic device was a vacuum tube; it is an electron tube used to control electric current. The vacuum tubes worked but they are bulky, require higher operating...
by Tarun Agarwal 11 years ago Variable Frequency Drive for Induction Motor Introduction Single-phase induction motors are extensively used in appliances and industrial controls. The Permanent Split Capacitor (PSC) single-phase induction motor is the simplest and most widely used motor of this type. By design, PSC motors are unidirectional, which...
by Tarun Agarwal 11 years ago What is LM3915 IC Visualized Audio Level Display Why is the Audio Level display needed? Often in many applications, it is required to measure the level of the audio signals, for example in discotheques to get an idea about the loudness of the sound signal, in other areas to measure the...
by Tarun Agarwal 11 years ago Microcontroller Based Caller ID & Use of DS1232 A Practical Application using Microcontroller – Caller ID Caller ID is known as caller identification (CID), it is a telephone service to transmit a caller’s number to the called person phone soon after the call is replied. Where,...
by Tarun Agarwal 11 years ago Matrix Keypad Interfacing with Microcontroller What is a Matrix Keypad? A keypad is the most widely used devices of digital circuits, microcontrollers or telephone circuits. Many applications require large number of keys connected to a computing system. Provided that it for the most...
by Tarun Agarwal 11 years ago Voltage Multipliers – Classification and Block Diagram Explanation What are Voltage Multipliers? Voltage multiplier refers to an electrical circuit consisting of diodes and capacitors which multiplies or increases voltage and also converts AC to DC, multiplying of voltage and rectification of current is...
by Tarun Agarwal 11 years ago What is an Induction Motor : Types & Their Working We know that the main function of a motor is to change the energy from one form to another like electrical to mechanical. The classification of motors can be done based on the type of supply like AC motors & DC motors. Under these AC...
by Tarun Agarwal 11 years ago Voltage Controlled Oscillator – Usage of VCO, Working and Application What is Voltage Controlled Oscillator? A voltage-controlled oscillator is an oscillator with an output signal whose output can be varied over a range, which is controlled by the input DC voltage. It is an oscillator whose output frequency...
by Tarun Agarwal 11 years ago What is Scrolling Message Dispay : Working & Its Applications Now a day’s message display boards are using at different places like railway stations, public places, universities, colleges, hospitals, general stores, etc for giving information. Scrolling message means sliding text vertically or horizontally....
by Tarun Agarwal 11 years ago RF Module – Transmitter & Receiver What is RF Module? In general, the wireless systems designer has two overriding constraints: it must operate over a certain distance and transfer a certain amount of information within a data rate. The RF modules are very small in dimension...
