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  1. Y

    Give Comments on Guitar Sound Receiver

    This design of acoustic sound receiver features low power operational amplifier. It has rail-to-rail input/output and 0.85mA supply current per amplifier. It uses piezo speaker as its microphone that can be attached to easily due to its size and dimension. The circuit is comprised of...
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    AD620AN Amplifier Troubles

    Hello~ In real circuit,the sine wave produced by ICL8038. And then there are two resistance to be connected here. The voltage in two resistances is magnifying by AD620AN. This is the datasheet of AD620AN,you can get more details from it.It can operate when magnifying directly .But when it...
  3. Y

    The K Model Thermocouple Amplifier

    Good afternoon，all：lmao： I am a student majoring in mechanics so that I’m not familiar with the electronic circuit. Now I need to use thermocouple to measure temperature. However it has a condition that the thermocouple can’t connect with signal acquisition card directly. Maybe a professtional...
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