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If you applied -9V from a single rail supply, you’ve probably fried it. Have you probed the voltages on each pin to make sure they are correct?
op amp – Trouble with a voltage follower – Electrical Engineering Stack Exchange
Sign up or log in Sign up using Google. Thats the only photo remained. I can roughly see that, but have you probed each pin with the multimeter to check it is at the expected voltage – e. What could be wrong? What you need to do is simulate this circuit — Schematic created using CircuitLab As you showed it, the measurements and signals, having no connection to any reference point common to the op amp, are never going to make sense. TomCarpenter Is the schematics right?
Probably pins were loose I didnt notice in the first way. And above is a photo from my setup.
I’m having trouble when I’m trying to make a voltage-follower from GL opamp. What you need to do is. And the opamp gets very hot. Trouble with a voltage follower Ask Question. Post as a guest Name. I use the following data sheet:. I use the following data sheet: If I apply reverse voltage with the 9V battery, I see datsaheet reading from the voltmeter.
GL Datasheet PDF – LG Semicon
I tried with another another brand it worked. ThePhoton I used another IC now on the breadboard. Sign up using Facebook.
I’d also try a different amplifier there are 4 in the IC, so try one of the other 3. Please edit your schematic to show what you actually connected. gl234
For many of us, we can understand your circuit much more quickly by looking at your schematic than by reading your words. So you are saying the opamp is broken? It’s been more years than I can remember since using breadboard but shouldn’t the op-amp sit over the trough that runs horizontally through the middle: But I think I figured out the problem. It makes sense what you say.
WhatRoughBeast 49k 2 28 If I apply 9V as input there is no output. All grounds all connected. I dont think thats problem here.
GL324 Datasheet PDF
The opamp was defect definitely. Email Required, but never shown. Dayasheet up using Email and Password. Your problem is that your signal voltages and meters are not connected to power supplies, but are completely floating.
Two browns are GND and Vcc for the opamp.