Wien bridge oscillator — Free Electronics Illustration

Electronics

Wien bridge oscillator

Schematic-style electronic circuit of a Wien-bridge oscillator centered on a triangular op-amp in noninverting configuration. Around the amplifier is the classic lead-lag RC bridge feedback network using two resistors and two capacitors, arranged as one series resistor-capacitor arm and one parallel resistor-capacitor arm in the standard frequency-selective topology. Include resistive gain-setting feedback around the op-amp, clean black circuit lines on white, standard resistor zigzag and capacitor plate symbols, labeled nodes or terminals typical of textbook electronics diagrams, and a compact symmetrical layout. A small sine-wave icon may mark the output.

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