2. Half wave and full wave
low frequency gain will be 20log(Vo/Vin)
To oversimplify it the "operational amplifier" was originally designed to perform mathematical operations in electronic analog computers. The designer set the mathematical operation of each amplifier by designing its feedback network. Some operations that could be done were: addition, subtraction, constant multiplication/division, logarithm, exponentiation, variable multiplication/division by combining logarithm-addition/subtraction-exponentiation, integration, differentiation, absolute value, clipping, etc.A "normal" amplifier was just designed to produce a certain amount of voltage or current gain.
An amplifier amplifies voltage or current. The most basic amplifier consists of a transistor where a signal is fed into the base and is output to the emitter or collector. For simple, low frequency applications (not RF), it may be simpler to use an operational amplifier (op amp) than designing your own amplifier. Also, the data sheets provide very helpful schematics for creating an amplifier. A very common one is the 741; these are also fairly cheap.
A: Sure by adding or subtracting from different inputs or scaling with different value of resistors
The root word "ample" means abundant, having lots of something, as in, we had ample food to eat at the feast. To amplify means to make something more ample. So when it comes to sounds, if you take a faint sound and make it louder, you are amplifying it. That is what an amplifier does.
1.differential amplifier 2.operational amplifier 3.instrumentation amplifier 4.chopper amplifier 5.isolation amplier
Usually output of an amplifier is a voltage ,...but in case of Operational Transconductance Amplifier ,Iout (current ) is the output. This feature, makes it useful for Electronic control of amplifier gain .
design and implementation of a buffer circuit using operational amplifier
Originally such an amplifier did mathematical functions.
The LM358 is an operational amplifier.
It has several but one of the main ones is that it has built in frequency compensation, which its predecessor the 709 operational amplifier did not.
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operational amplifier
analog device
operational amplifier
The name Op Amp stands for Operational Amplifier. There are lots of different types of operational amplifiers. It would be wise to look for professional advice before deciding which one is right for you.