Amplifying circuit
A technology for amplifying circuits and differential amplifiers, applied in differential amplifiers, DC-coupled DC amplifiers, amplifier input/output impedance improvements, etc., can solve the problems of increased integrated circuit costs and very large circuit area consumption
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[0032] see figure 2 , figure 2 A schematic diagram of the amplifier circuit 10 of the present invention is shown in . The amplifying circuit 10 includes a differential amplifier 20 with a positive input terminal and a negative input terminal (such as figure 2 +, - signs on the left side of the differential amplifier 20), a positive output terminal, and a negative output terminal (such as figure 2 The + and - sign on the right side of the differential amplifier 20); a first input impedance 12, one end of which is electrically connected to the negative input end, and the other end is electrically connected to a first input signal Vi 1 ; A second input impedance 14, one end of which is electrically connected to the positive input end, and the other end is electrically connected to the first input signal Vi 1 ; A third input impedance 16, one end of which is electrically connected to the negative input end, and the other end is electrically connected to a second input signa...
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