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Active filter circuit with bi-quadratic transfer function - has operational amplifier with specified RC input and feedback circuits
Active filter circuit with bi-quadratic transfer function - has operational amplifier with specified RC input and feedback circuits
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机译:具有双二次传递函数的有源滤波器电路-具有带指定RC输入和反馈电路的运算放大器
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摘要
The filter circuit has an operational amplifier (4) connected by its output to the circuit's output (3), by its non-inverting input to the shared input/output rail (1) and by its inverting input via a first resistor (GO) to the circuit's input (2). The inverting input is also connected via a third resistor (G2) to the amplifier's output and via two series capacitors (C2, c3) to the circuit's input. The junction between the capacitors is connected via another capacitor (1) - shunted by a first resistor (G1) - to the output of the amplifier.
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