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ThePhoton I used another IC now on the breadboard. You are a good learner! I tried with another another brand it worked. I’m having trouble when I’m trying to make a voltage-follower from GL opamp. WhatRoughBeast 49k 2 28 Have you probed the voltages on each pin to make sure they are correct?
The opamp was defect definitely. I’d also try a different amplifier there are 4 in the IC, so try one of the other 3. I checked many times. All grounds all connected. Sign up using Email and Password.
GL Datasheet, PDF – Alldatasheet
For many of us, we can understand your circuit much more quickly by looking at your schematic than by reading your words. If you applied -9V from a single rail supply, you’ve probably fried it.
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. 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: What could be wrong?
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. I use 12VDC as Vcc.
Can’t tell entirely from the picture but it looks wired up ok unless there are loose connections. What you need dstasheet do is.
(PDF) GL324 Datasheet download
Your problem is that your signal voltages and meters are not connected to power supplies, but are completely floating. Probably pins were loose I didnt notice in the first way. Andy aka k 10 Home Questions Tags Users Unanswered.
I use the following data sheet:. Sign up using Facebook. And the opamp gets very hot. I think you are right since in my second try with another lm I inserted it in the middle and it worked. I can roughly see that, but have you probed each pin with the multimeter to check it is at the expected voltage – e. But I think I figured out the problem. Email Required, but never shown.
If I apply 9V as input there is no output. I dont think thats problem here. Trouble with a voltage follower Ask Question.
Sign up or log in Sign up using Google. Thats the only photo remained. I use the following data sheet: And above is a photo from my setup. Two browns are GND and Vcc for the opamp. I double checked my wiring and it matched the circuit schematics and datasheet. If I apply reverse voltage with the 9V battery, I see minus reading from the voltmeter. Post as a guest Name. Please edit your schematic to show what you actually connected.