Exam 16: Regulators, Filters, and Op-Amps

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    \text { Figure } 19 < 4  -If 22 V in the pass-band is input to the circuit in Figure 19-4,W hat is the output voltage at fCO?  Figure 19<4\text { Figure } 19 < 4 -If 22 V in the pass-band is input to the circuit in Figure 19-4,W hat is the output voltage at fCO?

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In a P-N diode, the region near the P-N junction is called:

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Butter worth filters are characterized by a linear response in the pass band.

(True/False)
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    Figure  19 < 2  -If the inputs are 8.4 V and 1.2 V in Figure 19-2(a), the output voltage equals ________. Figure 19<219 < 2 -If the inputs are 8.4 V and 1.2 V in Figure 19-2(a), the output voltage equals ________.

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     \text { Figure } 16<2    -Which block in Figure 16-2Will change the amplitude of the ac voltage?  Figure 16<2\text { Figure } 16<2 -Which block in Figure 16-2Will change the amplitude of the ac voltage?

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The overall voltage gain of a multistage amplifier is the product of the individual stage gains.

(True/False)
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The gate current in a JFET is normally zero.

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Which one of these amplifiers does NOT have the output in phaseW ith the input?

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Using op-amps in a triangularW ave oscillator results in a:

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    Figure  18 < 1  -If  \mathrm { R } _ { f } = 0.5 \mathrm { M } \Omega  and  \mathrm { R } _ { \mathrm { i } } = 10 \mathrm { k } \Omega  in Figure 18-1(b), the voltage gain equals________ Figure 18<118 < 1 -If Rf=0.5MΩ\mathrm { R } _ { f } = 0.5 \mathrm { M } \Omega and Ri=10kΩ\mathrm { R } _ { \mathrm { i } } = 10 \mathrm { k } \Omega in Figure 18-1(b), the voltage gain equals________

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    Figure  18 < 1  -Which of the amplifiers in Figure 18-1W ould be used as a buffer amplifier? Figure 18<118 < 1 -Which of the amplifiers in Figure 18-1W ould be used as a buffer amplifier?

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    \text { Figure } 19 < 3  -If  V<sub>IN</sub> equals  22 V  in Figure 19-3,  V<sub>OUT</sub>  at the f<sub>CO</sub>  equals______  Figure 19<3\text { Figure } 19 < 3 -If VIN equals 22 V in Figure 19-3, VOUT at the fCO equals______

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Reverse breakdown current is carried by:

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LEDsW ill emit light if a reverse voltage is applied to them.

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If a full-wave rectifier outputs 36 VP , the average output is _______

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If an inverting amplifier has a capacitor in the feedback loop, the circuit is known as the ________. When a square wave input is applied, the output is a ________wave.

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An op-ampʹs input offset voltage, VOS, is the differential input voltage required to make the differential output voltage zero.

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    \text { Figure } 17 < 4  -Which voltage would indicate that the amplifier in Figure  17-4  is operating in saturation?  Figure 17<4\text { Figure } 17 < 4 -Which voltage would indicate that the amplifier in Figure 17-4 is operating in saturation?

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    \text { Figure } 19 < 3  -If  R=47   \mathrm { k } \Omega  and  C=0.02  \mu \mathrm { F }   in Figure 19-3,  \mathrm { fCO }  equals______  Figure 19<3\text { Figure } 19 < 3 -If R=47 kΩ\mathrm { k } \Omega and C=0.02 μF\mu \mathrm { F } in Figure 19-3, fCO\mathrm { fCO } equals______

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    Figure  19 < 2  -What change causes the circuit in Figure 19-2(b) to output the average of the three input voltages? Figure 19<219 < 2 -What change causes the circuit in Figure 19-2(b) to output the average of the three input voltages?

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