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The circuit that takes the difference of two signals is called a subtractor. It is made by connecting an inverting amplifier to a two-input inverting averager.
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Subtractor :In Electronics Subtractor is a Combinatorial circuit which is used to Subtract two Binary Numbers, x & y.Half Subtractor :Half Subtractor is a circuit which is used to Subtract the two bit Binary Numbers.Full Subtractor :Full Subtractor is a circuit which is used to Subtract the Two Bit Binary Numbers and a 1 borrowed from Last Lower significant stage.Hope this answer will help you.....Remember In your Prayers.
it can be used in op amp circuits, that is as comparitors or differentiators
Op amps stands for operational amplifier. An operational amplifiers is a high gain voltage amplifier that requires a differential input and produces single outputs.
operational amplifier
A 741 Op-amp has three distinct parts and applications. They are a differential amplifier, a voltage amplifier, and an output amplifier.
A: They both use transistors. In actuality before an op amp becomes an op amp a discrete transistor made is made to provide it capabilities before it gets integrated into a substrate chip we call op amp. OP AMP have two input to work as a differential amplifier the input are bases closely match to provide virtual no voltage or current offset. Single ended amplifier has one input its reference is the signal source return.
Look up "op amp" on wikipedia, there is a good drawing near the bottom right. An op amp contains a differential amplifier as the first stage, but has multiple following stages that provide amplifier near ideal characteristics of high input resistance and low output resistance (it can drive more current than a single dif amplifier stage).
A half-subtractor lets you borrow out, but not borrow in. A full subtractor is made by combining two half-subtractor and adding an OR-gate. (lets you both BOR_in as well)
An op-amp, or OPerational AMPlifier, is simply a pre-built transistor amplifier circuit on a self-contained integrated circuit chip (usually one chip holds multiple op-amps)
op amp can perform mathematical operations such as summing,subtracting differentiating,scaling,integrating which an amplifier can't perform. hence op is called as op amp & not just an amplifier. opamps were originally designed to perform mathematical operations in electronic analog computers.
Advantage:1:To overcome half subtractor, full subtractor comes into play
i know that an op amp can be used as an amplifier and a switch, but i want to have more uses of the component or device.