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Non-Inverting Amplifier - Op-Amp Circuits

This High-Input Impedance configuration is commonly used in front end of sensor signal conditioner and Meters. This page Includes an Interactive Tutorial with Simulated Meters and Potentiometers, demonstrating how a Non-Inverting Operational Amplifier functions. 


SPICE Analog Simulation Program TINA

The input impedance of this module is very high, if U1 is OP07 it is in mega ohms, use CA3140 or LF356 fet input opamps to get 1 tera ohm input impedance, but for high gains OP07 is better as it is ultra low offset, this is a good amplifier for sensor outputs, as in a DC Circuit.

Linear Circuit Design Handbook - Hank Zumbahlen

The zener diodes protect the opamp inputs, R1 limits current during high voltage inputs and R1 and C1 form a filter to remove ac components C1 should be a plastic type as ceramic and electrolytic caps are leaky. A large C1 will slow the response time, the sum of Ri + Rf should be greater than 5k so that output is not loaded. also do not connect output to voltages more than vcc/vdd it will blow Opamp.

Non-Inverting Amplifier -
            Op-Amp Circuits

Vout = Vin * (Rf + Ri) / Ri

Interactive Tutorials using Virtual Electronic Components



Slide the Potentiometers just like you would operate a Sliding Control. Drag the Knob on Pot to increase or decrease the resistance. The Resistance is shown is blue letters and dynamically alters value as you slide the pot.

Dual Polarity Analog Output Op-Amps

The mV Source is varied by just moving mouse pointer over the two buttons, no clicking. This reduces finger strain and also you have a long lasting mouse. The mV buttons are special, the variation picks up speed if you let the mouse pointer remain on the button. This is Ramp-up and Ramp-down. This enables you to set it faster with just two buttons.



Use the "iframe" part in this Non-Inverting Op-Amp xml code

Finally you have a DVM a Digital Volt Meter that just Displays the Voltage at any Point, this readout value has to be noted down

These are various web widgets i developed  a decade ago. These were tutorials in Electronics and Technology. It also demonstrates usability issues in small devices and using JS-CSS-Ajax in a Innovative way to make GUI dynamic, interactive and contextual. Some of the Ideas were the first of its kind in the GUI design.

More Opamp Simulations

Back to Analog Op-Amp Circuits

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delabs Technologies

20th Mar 2020




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