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Sorry for the terminology issues, I'm trying. Yes, definitely looking at the supply voltage and maximum output swing, I don't want to blow up my sound card.
But above you say don't overload it correct? this would be the wrong way to go about it.
So in summary, you are saying don't screw...
Thank you again for the inputs.
So looking at that datasheet for the TL081 **broken link removed**
- according to the Voltage Swing chart, if I put an input voltage on it of +-5V, then the output voltage swing would be about 8V with a 2k load
- going to the next chart to the right (Output...
Thanks again Andre,
My understanding is that the circuit will currently perform as follows (assuming R6 is set to 0):
- between +150 and -150 V input the circuit will follow linearly in output between +12 and -12V
- over 150 V (-150) the circuit will shunt and the output will be max at 12V...
Thank you Andre, I could buy and test a few of those LED and see if I can find one that lights up a little lower.
On my other question, is there a way to adjust that circuit so that the maximum output voltage is about 1.5V instead of 12V? This way I could avoid the light test (or checking with...
Hi All,
I want to use the PC sound card for some low frequency probing (audio equipment). I don't own an oscilloscope. I found this discussion around a PC sound card based oscilloscope probe. https://www.edaboard.com/threads/259543/ Out of the many designs scattered around the interwebs...
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