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Features LM358 is the core two stage operational amplifier which can amplify DC weak signals such as DC voltage signals DC pulse signals can amplify signals of millivolts or even weaker and has two potentiometers respectively for the first stage and the second stage Performing single stage magnification adjustment but the total scaling is the product of the two stage multiple so the magnification will be adjusted to a large extent Specifications Power supply voltage 3 5 24V DC power supplyCurrent output maximum 15 20MA non linear Voltage output output input voltage signal magnificationMagnification Total multiple first multiple multiple second multiple multipleBoard size length 45 3mm width 16 2mm Note 1 The maximum multiple is 1000 times 2 The two potentiometers on the board are rotated counterclockwise to increase the multiple Package Included 1 x LM358 Weak Signal Amplifier Voltage Amplifier Secondary Operational
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