Flag this Question Question 21.5 pts Given the circuit below with Vin = 18V, R1

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Question 21.5 pts

Given the circuit below with Vin = 18V, R1 = 10k ohmsR2 = 33k ohms, R3 = 10k ohms, D1 voltage = 2.4V. Find the regulator output voltage.

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Question 31.5 pts

Given the circuit below with Vin = 12V, R1 = 10k, R2 = 5.6k ohms, R3 = 2.2k ohms, D1 voltage = 2.7V. Find the regulator output voltage.

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Question 41 pts

A device that can be turned on or off by a gate pulse is called an SCS.

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Question 51 pts

Refer to the figure above. To increase the current handling capability of this regulator, beyond the 5 A rating of the transistor, the reasonable thing to do would be to

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Question 61 pts

Refer to the figure above. This circuit is brought in for repair. The measured output voltage was 25 V under all load conditions. A possible cause of this symptom might be that

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Question 71 pts

Switching regulators have ________ than linear regulators.

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Question 81 pts

The ideal op-amp has

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Question 92 pts

Given the circuit below with R1 = 100 ohms, R2 = 12k ohms, R3 = 10k ohms, R4 = 3.9k ohms, and Zener voltage = 5.1 V.

Assume IL remains constant and Vin increases by a volt, what is the change in the collector current of q1.

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Question 101 pts

Each of the following is used to establish a reference voltage on a comparator input except a

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Question 111.5 pts

Given the circuit below with R1 = 4.7k ohms, R2 = 10k ohms, R3 = 15k ohms, Vin = 12V, and Zener voltage (D2) = 2.7 V. Modulator f0 = 10k Hz and toff = 60 us. What is the output voltage?

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Question 121 pts

The damping factor (DF) of an active filter determined by

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Question 131.5 pts

Given the circuit below and Vin = -35V, R1 = 470 ohms and R2 is a 10k ohm pot. What is the minimum output voltage?

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Question 141 pts

Refer to the figure above. If the value of VCC = 5 V, the output voltage would be

Explanation / Answer

41.True   

71.greater efficiency

81.infinite voltage gain and infinite bandwidth

101.battery

121.negative feedback of the circuit

141.sine wave

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