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Wien_bridge_oscillator_with_improved_stabilization

2016-05-18 00:56  
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Wien_bridge_oscillator_with_improved_stabilization
Figure 4-36 shows an improved version of the Fig. 4-34 circuit. Figure 4-37 shows waveforms for the Fig. 4-36 circuit. The 20-kΩ trimmer in the Q1 circuit makes it possible to get 0.0018% distortion (trace B, Fig. 4-37). LINEAR TECHNOLOGY, APPLICATION NOTE 43, P. 31.