/etc... Amplifiers & Other Linear

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diff amp
Related Posts

  • Forum Post: Re: LM358 strange Output

    Neil Albaugh
    Uli, you are absolutely correct-- the common mode error of a home-built differential amplifier has been the pitfall that almost all of us have fallen into at some point in our career. There are some old BB/TI technical seminars that covered why a handful of 1% resistors was going to lead to grief. The...
    on May 11, 2011

  • Forum Post: Re: Op-Amp Selection

    Neil Albaugh
    Chris; Trying to build your own differential amplifier with an op amp and a handful of 1% resistors is a recipe for disaster. To get decent common-mode rejection in a diff amp, you will need resistors with at least 0.01% accuracy and matching temperature coefficients. Buy one from TI or ADI, etc-...
    on May 11, 2011

  • Forum Post: Motor Current Sensing

    Rasit GOKALAN
    Hello, In my project I will sense motor current through shunt resistor . But in my project inverter ground and micro ground is isolated. Because of this I want to use instrumentation amplifier INA333 to measure voltage across the current sense resistor. Amplifier ground will be the same with micro...
    on Oct 11, 2011

  • Forum Post: step down (10V-3.6V)

    sanjeev kumar87916
    Hi all, I want to convert 10V,4-20mA,50Hz analog signal to 3.6V. IF i am not wrong, we can achieve this in 3-ways. 1) By using voltage divider circuit 2) By using OP-AMP 3)By using voltage compression Diode. Please suggest me which one will be a good Practice and if possible please...
    on Jan 24, 2012

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