Exercise In a certain application, a signal source having 60 kl of source impedance, Rs, produces a 1 V,ms signal. This signal must be amplified to 2.5 V,rms and drive a 1 kN load. Assuming that the phase of the load voltage is of no concern, design an operational amplifier circuit for the application. Hint: Choose, arbitrarily, input resistor, R1 = 100kN and find feedback resistor, Rf. Since phase is of no concern and the required voltage gain is greater than 1, we can use either an inverting or noninverting amplifier. Answers: Rf (inverting) = 400 k2, Rf (noninverting) = 150 k2 %3D

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In a certain application, a signal source having 60 kl of source impedance, Rs, produces a 1 Vrms
signal. This signal must be amplified to 2.5 V,ms and drive a 1 kn load. Assuming that the phase
of the load voltage is of no concern, design an operational amplifier circuit for the application.
Hint: Choose, arbitrarily, input resistor, R1 = 100kN and find feedback resistor, Rf. Since phase
is of no concern and the required voltage gain is greater than 1, we can use either an
inverting or noninverting amplifier.
Answers:
Rf (inverting) = 400 k2,
Rf (noninverting) = 150 k2
Transcribed Image Text:Exercise In a certain application, a signal source having 60 kl of source impedance, Rs, produces a 1 Vrms signal. This signal must be amplified to 2.5 V,ms and drive a 1 kn load. Assuming that the phase of the load voltage is of no concern, design an operational amplifier circuit for the application. Hint: Choose, arbitrarily, input resistor, R1 = 100kN and find feedback resistor, Rf. Since phase is of no concern and the required voltage gain is greater than 1, we can use either an inverting or noninverting amplifier. Answers: Rf (inverting) = 400 k2, Rf (noninverting) = 150 k2
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