Answer to Question #295536 in Electric Circuits for Tanu

Question #295536

Design a phase shift oscillator to oscillate at 2 kHz using an OPAMP. Given C=0.1



µF.




1
Expert's answer
2022-02-10T09:42:09-0500

A 3-stage RC shift oscillator is required to produce an oscillation frequency of 2 kHz


f=12πRC2Nf=\frac{1}{2\pi\>RC\sqrt{2N}}


2=12πR(0.1×106)2×32=\frac{1}{2\pi\>R(0.1×10^{-6})\sqrt{2×3}}


R=12π×2×103(0.1×106)6R=\frac{1}{2\pi×2×10^3(0.1×10^{-6})\sqrt{6}}

=324.9Ω=324.9\Omega


The resistor in each stage should have a resistance of 324.9Ω324.9\Omega

And a capacitor of 0.1μ0.1\mu F






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