op amp - Electronics Area https://electronicsarea.com Electrical and Electronics Tutorials and Circuits Thu, 26 Dec 2024 15:51:34 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.26 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/ 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 How to use op amps with a single rail power supply?
Method #1: Voltage divider using two resistors. Method #2: Voltage divider using two Zener diodes.

The post How to use op amps with a single rail power supply? first appeared on Electronics Area.

The post How to use op amps with a single rail power supply? appeared first on Electronics Area.

]]> https://electronicsarea.com/how-to-use-op-amps-with-a-single-rail-power-supply/feed/ 0 Wien-bridge Oscillator with Op Amp https://electronicsarea.com/wien-bridge-oscillator-op-amp/ https://electronicsarea.com/wien-bridge-oscillator-op-amp/#respond Fri, 19 Sep 2014 00:26:10 +0000 http://electronicsarea.com/?p=478 Wien-bridge Oscillator using Op-Amp The Wien-bridge oscillator, as shown on the basic outline of the diagram below, consists of an Operational Amplifier (OA) in a non-inverting configuration with gain 1+R2/R1 and a RC feedback network with the following transfer function: Where: Combining the first and the second equation we get: The loop gain (BA) is: The Barkhausen criterion [...]

The post Wien-bridge Oscillator with Op Amp first appeared on Electronics Area.

The post Wien-bridge Oscillator with Op Amp appeared first on Electronics Area.

]]> https://electronicsarea.com/wien-bridge-oscillator-op-amp/feed/ 0 Nonlinear Amplitude Control of a Sinusoidal Oscillator https://electronicsarea.com/nonlinear-amplitude-control-of-a-sinusoidal-oscillator/ https://electronicsarea.com/nonlinear-amplitude-control-of-a-sinusoidal-oscillator/#respond Thu, 18 Sep 2014 04:00:47 +0000 http://electronicsarea.com/?p=472 Nonlinear Amplitude Control of a Sinusoidal Oscillator In any practical oscillator, the loop gain (ßA) must be slightly greater than unity to prevent that the tolerance parameters of components, aging, temperature effects, etc., make that ßA < 1 and the circuit not meet one of the oscillation conditions specified in the equation: In which case the [...]

The post Nonlinear Amplitude Control of a Sinusoidal Oscillator first appeared on Electronics Area.

The post Nonlinear Amplitude Control of a Sinusoidal Oscillator appeared first on Electronics Area.

]]> https://electronicsarea.com/nonlinear-amplitude-control-of-a-sinusoidal-oscillator/feed/ 0