Operat Ampl - Electronics Area https://electronicsarea.com Electrical and Electronics Tutorials and Circuits Sat, 17 Oct 2026 00:42:27 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.26 Inverting Summing Amplifier using Op-Amp https://electronicsarea.com/inverting-summing-amplifier/ https://electronicsarea.com/inverting-summing-amplifier/#respond Sun, 31 May 2020 18:51:48 +0000 https://electronicsarea.com/?p=3718 The inverting summing amplifier using an op-amp outputs a voltage equal to the sum of the voltages it has in its inputs. The explanation is based on an adder of three inputs but applies to an adder of any number of inputs

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]]> https://electronicsarea.com/inverting-summing-amplifier/feed/ 0 Window comparator using Operational Amplifiers https://electronicsarea.com/window-comparator-using-op-amps/ https://electronicsarea.com/window-comparator-using-op-amps/#respond Fri, 03 Apr 2020 17:30:17 +0000 https://electronicsarea.com/?p=5970 A window comparator lets you know if a signal is within or outside a previously defined acceptable voltage limit. 

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]]> https://electronicsarea.com/window-comparator-using-op-amps/feed/ 0 Non-inverting Op-Amp https://electronicsarea.com/non-inverting-operational-amplifier/ https://electronicsarea.com/non-inverting-operational-amplifier/#respond Tue, 04 Feb 2020 00:08:09 +0000 https://electronicsarea.com/?p=5835 How to find the voltage gain (formula) in a non-inverting Op. Amp. How to find the Input impedance (Zi) and output impedance (Zo) of a non-inverting operational amplifier.

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]]> https://electronicsarea.com/non-inverting-operational-amplifier/feed/ 0 Operational Amplifier as a Comparator https://electronicsarea.com/operational-amplifier-as-comparator/ https://electronicsarea.com/operational-amplifier-as-comparator/#respond Mon, 13 Jan 2020 22:23:00 +0000 https://electronicsarea.com/?p=5796 An op-amp can work as a comparator (voltage comparator) when the differential gain in the open loop is high and the speed is not a critical factor

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]]> https://electronicsarea.com/operational-amplifier-as-comparator/feed/ 0 Op Amp Voltage follower / Voltage Buffer https://electronicsarea.com/op-amp-voltage-follower-buffer/ https://electronicsarea.com/op-amp-voltage-follower-buffer/#respond Tue, 08 Oct 2019 19:13:55 +0000 http://electronicsarea.com/?p=3707 A buffer has an output that is exactly like the input. This feature is very useful for solving impedance matching problems.

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]]> https://electronicsarea.com/op-amp-voltage-follower-buffer/feed/ 0 Op Amp Open Loop Gain – Op Amp Open Loop Configuration https://electronicsarea.com/op-amp-open-loop-gain/ https://electronicsarea.com/op-amp-open-loop-gain/#respond Tue, 08 Oct 2019 18:44:25 +0000 https://electronicsarea.com/?p=5247 Op Amp Open Loop Gain - The open loop gain of the operational amplifier is given when there is no feedback path between the output and either input

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]]> https://electronicsarea.com/op-amp-open-loop-gain/feed/ 0 Op-amps with a single rail power supply. How to? https://electronicsarea.com/how-to-use-op-amps-with-a-single-rail-power-supply/ https://electronicsarea.com/how-to-use-op-amps-with-a-single-rail-power-supply/#respond Wed, 24 Apr 2019 19:14:10 +0000 https://electronicsarea.com/?p=5051 Method #1: Voltage divider using two resistors. Method #2: Voltage divider using two Zener diodes.

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