Opamp Tutorials that are Interactive using JavaScript and CSS
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README.md

analog

Interactive Analog Opamp Tutorials

Opamps are the Building Blocks of Analog Circuits. Opamps are internally made of Transistor Amplifier Circuits. Now FET and MOSFET Opamps are of greater importance due to better impedance and bandwidth.

http://gadgets.dapj.com/analog

Here are some Interactive Analog Opamp Tutorials that i have made using JavaScript and CSS. You can operate the controls and view the results in Virtual Meters and Sources.

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.

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.

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.

Notes -

28 Mar 2010 Made the GUI Two Sliding Potentiometers and a mV source. The tough part is the Ramp-up and Ramp-down of the push-buttons. The rest is easy. But this is where i may get stuck.

9 Mar 2010 It works, not bad, i managed to Make the millivolt source ramp-up and ramp-down. I had to use the Force.

1 Apr 2010 Fixed a CSS error. Text align Center worked differently for IE for some nested div id set. Tested in Chrome, Firefox and Internet Explorer. Made Non-Inverted Amp tutor. Pot now shows in 1K per pixel.

Sub-Pixel mouse movements cannot be resolved, so the Analog Pot is like a Large Rotary Switch simulation with 170 steps. 1/10 of pixel would be good, but i know impractical, just for a tiny Rheostat.