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Voltage comparison amplifier circuit

Source: InternetPublisher:通通 Keywords: Amplification circuit BSP Updated: 2020/01/10

18.<strong>Voltage</strong>Comparison<strong>Amplification Circuit</strong>.gif

Both the additive operational amplifier and the subtractive operational amplifier use an external feedback network to put the integrated operational amplifier into a deep negative feedback state,
thus operating in the linear region. The input and output relationship of the circuit is mainly determined by the parameters of the external feedback network.
    Another working state of the operational amplifier is the nonlinear state, that is, the operational amplifier is in an open loop state or connected to a positive feedback network. In the non-
linear working state, the input signal and the output signal are no longer linear , and the output voltage is either biased towards the positive saturation value (Uo.) or biased towards


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