Wien bridge oscillator using an op-amp

By Anonymous

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Op-amp Wien bridge oscillator with a lead-lag RC positive-feedback network and a resistive negative-feedback network. The series branch \(C_1\)-\(R_2\) and the parallel branch \(R_1\)-\(C_2\) form the Wien bridge, while \(R_3\) and \(R_4\) set the amplifier gain to sustain sinusoidal oscillation at the output \(v_{out}\).

circuits · wien-bridge-oscillator · op-amp · oscillator · analog-circuit · rc-network · sine-wave