The input to an op amp-based low-pass filter with a cutoff frequency of 500 Hz and...
The input to an op amp-based low-pass filter with a cutoff frequency of 500 Hz and a passband gain of 8 is 2.8cosωt V.
Part A
Part complete
Suppose the power supplies are ±Vcc. What is the smallest value of Vcc that will still cause the op amp to operate in its linear region?
Express your answer to three significant figures and include the appropriate units.
| Vccmin = | 22.4 V |
(Correct)
Part B
Find the output voltage when ω=ωc.Suppose that vo(t)=Acos(ωt+ϕ)V, where A>0 and −180∘<ϕ≤180∘. Determine the values of A,ω, and ϕ.
Express your answers using three significant figures separated by commas. Express A in volts, ω in radians per second, and ϕ in degrees.
Part C
Find the output voltage when ω=0.1ωc.Suppose that vo(t)=Acos(ωt+ϕ)V, where A>0 and −180∘<ϕ≤180∘. Determine the values of A,ω, and ϕ.
Express your answers using three significant figures separated by commas. Express A in volts, ω in radians per second, and ϕ in degrees.
Part D
Find the output voltage when ω=10ωc.Suppose that vo(t)=Acos(ωt+ϕ)V, where A>0 and −180∘<ϕ≤180∘. Determine the values of A,ω, and ϕ.
Express your answers using three significant figures separated by commas. Express A in volts, ω in radians per second, and ϕ in degrees.
Homework Answers
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The input to an op amp-based low-pass filter with a cutoff
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