by Tarun Agarwal 11 years ago Operational Amplifiers What are Operational Amplifiers? Operational amplifiers are the basic building blocks of Analogue electronic circuits. They are linear devices with all properties of a DC amplifier. We can use external resistors or capacitors to the Op...
by Tarun Agarwal 11 years ago Basic Intrusion Detection System Look at this quote by Admiral Grace Hopper “Life was simpler before world war II. After that we had systems” So, what does this actually means? With invent of systems (computer systems) came the increase for various needs...
by Tarun Agarwal 11 years ago Power Electronic Converters The primary task of power electronics is to process and control the flow of electric energy by supplying voltages and currents in a form that is optimally suited for user loads. Modern power electronic converters are involved in a very...
by Tarun Agarwal 11 years ago Digital Thermometers and Its Applications Thermometers A thermometer is a device used to measure the temperature of any particular device or living body and displays the reading. A thermometer scale can be in Fahrenheit or Celsius. 2 Kinds of Conventional Thermometers used earlier 1....
by Tarun Agarwal 11 years ago Sound Activated Switch Consider a situation in a bank or any organization where a sudden invasion by the burglars has taken place. Now all the staff has been handcuffed by the robbers and the main locker room full of valuable resources is at the mercy of the...
by Tarun Agarwal 11 years ago Wireless Power Transmission Through Solar Power System & Working Traditional wired power transmission systems usually require lying of transmission wires between the distributed units and the consumer units. This produces a lot of constraints as the cost of the system- the cost of the cables, the losses...
by Tarun Agarwal 11 years ago Voice Recording and Playback Circuit You can make a voice recording and playback circuit using the easily available IC APR 9301. The circuit can record and playback the voice up to 30 seconds. It can be used in automatic answering devices, door phone, etc. The IC APR 9301...
by Tarun Agarwal 11 years ago How Does an Electronic Nose Work? Introduction: The electronic nose is a device that detects the smell more effectively then the human sense of smell. An electronic nose consists of a mechanism for chemical detection. The electronic nose is an intelligent sensing device...
by Tarun Agarwal 11 years ago What is an Automated Teller Machine & Its Working The term ATM stands for automated teller machine. It is an electronic device that is used by only bank customers to process account transactions. The users access their accounts through a special type of plastic card that is encoded with...
by Tarun Agarwal 11 years ago What is a SCADA System : Architecture & Its Working A large number of processes occur in large industrial establishments. Every process, you need to monitor is very complex because each machine gives the different output. The SCADA system used to gather data from sensors and instruments...
