Wein bridge oscillator (100khz)

Thread Starter

sikander1

Joined Mar 22, 2010
1
hi i want to build a weinbridge oscillator oscillating at 100khz..using an op amp (ua741).can any one plz tell me how to determine the component values???
i knw the formula f=1/2piRC, i need a good asumption of capacitor value and then i can calculate the resistor values???
 

Audioguru

Joined Dec 20, 2007
11,248
A 741 opamp works pretty well up to about 9kHz.
Above 9kHz its output will be slew-rate limited into a triangle wave unless its input level is reduced. At 100kHz its output will be only 3V p-p which is a little more than 1V RMS if it is a sine-wave.

Most opamps today work perfectly at 100kHz.
 
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