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Chip Amps Amplifiers based on integrated circuits

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Old 25th September 2003, 02:12 PM   #11
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Join Date: Apr 2003
Location: US
Originally posted by Illusus
Oh my... inversed input is just a typo, thanks for pointing it out, I may have followed it during construction. With that reversed, do all the values look good?

it will work if you correct the input error.

The chip is surprisingly fault-tolerant. I ran it with just two resistors and it worked flawlessly. I used much lower resistors (20k/1k combo) because that's what I had. No problem whatsoever. The key here is the ratio between the two, not their absolute value.

There is no reason that yours wouldn't.
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Old 25th September 2003, 02:59 PM   #12
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Join Date: Apr 2003
Location: Brantford, ON are off to a start with a design and asked questions......dont feel bad about that as we all make mistakes in venturing into new things .....your other design criteria should be your input to this amplifier as you have used a low impedance so now you should look at what source will be providing the signal and whether it is suitable or else you will need to adjust the input impedance of your design

just food for thought....keep up the good work!!!

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