hi.. i simulated this wien bridge and its working fine at high frequencies but at lower frequencies output gets clamped to Vcc.. i want it to work at 50 Hz... can u guys suggest how to make it work at 50Hz .!!
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thanks very much men ,just what i look 4You may find this free but good E-book useful. It has an excellent section about oscillators. Hope you do nout just copy but learn something also
http://focus.ti.com.cn/cn/lit/an/slod006b/slod006b.pdf