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I checked many times. All grounds all connected. I’d also try a different amplifier there are 4 in the IC, so try one of the other 3. Home Questions Tags Users Unanswered. The opamp was defect definitely. And above is a photo from gll324 setup. I use 12VDC as Vcc. I use the following data sheet:. Please edit your schematic to show what you actually connected. I dont think thats problem here. I double checked my wiring and it matched the circuit schematics and datasheet.
TomCarpenter Is the schematics right? Can’t tell entirely from the picture but it looks wired up ok unless there are loose connections. If I apply reverse voltage with the 9V battery, I see minus reading from satasheet voltmeter. For many of us, datasneet can understand your circuit much more quickly by looking at your schematic than by reading your words.
Have you probed the voltages on each pin to make sure they are correct? Sign up or log in Sign up using Google. I think you are right since in my second try with another lm I inserted it in the middle and it dattasheet.
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. Your problem is that your signal voltages and meters are not connected to power supplies, but are completely floating.
I’m having trouble when I’m trying to make a voltage-follower from GL opamp. 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: If I apply 9V as input there is no output.
GL324 Datasheet PDF
Two browns are GND and Vcc satasheet the opamp. You are a good learner! And the opamp gets very hot. Probably pins were loose I didnt notice in the first way.
Thats the only photo remained. So you are saying the opamp is broken?
Andy aka k 10 I use the following data sheet: What could be wrong? WhatRoughBeast 49k 2 28 Trouble with a voltage follower Ask Question.
GL Datasheet PDF
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