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I'm looking for a linear or ratiometric hall effect device with a sensitivity of 1 to 2 mV/Gauss and with a gauss range from 4000 to -4000 gauss. I was looking in all providers I know (Allegro, Honeywell, Melexis, etc) and could not find anyone within the range I need. Does anyone know where to...
Re: I need an amp circuit with different gain for + and + in
Sal, thanks for your answer. That .5 volt drop is an issue for my project. Any other solution? I've been thinking in using a step gain circuit and use a different reference for the input, so all inputs will be positive, and just have...
Hi. I'm new here and need some help. I need a simple circuit (if exists) which amlifying a diferential input gives me an amplified output with 2 different gains depending of the input polarity. I need to have a slightly higher gain when the input is positive. The output should also have the same...
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