Exam 9: Fet Amplifiers and Switching Circuits

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  Figure 4 The spec sheet shows I<sub>GSS </sub>= 200 nA (max)at V<sub>GS </sub>= -15 V and V<sub>DS </sub>= 0 V. -Refer to Figure 4. Assume the voltage gain is 0.92. The power delivered to the load resistor is Figure 4 The spec sheet shows IGSS = 200 nA (max)at VGS = -15 V and VDS = 0 V. -Refer to Figure 4. Assume the voltage gain is 0.92. The power delivered to the load resistor is

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A

To form an ac equivalent circuit for a FET amplifier, VDD is assumed to be open.

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  Figure 7 -Refer to Figure 7. If both VA and VB are low (0), then both Figure 7 -Refer to Figure 7. If both VA and VB are low (0), then both

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The transconductance of a FET depends on ID.

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Compared to a mechanical relay, a solid- state relay

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  Figure 7 -Refer to Figure 7. The logic circuit represented is a Figure 7 -Refer to Figure 7. The logic circuit represented is a

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Assume a self- biased JFET amplifier has IGSS = 10 nA, VGS = 1 V, and RG = 10 M▲. The input resistance, RIN, of the amplifier is

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  Figure 1 The equation for g<sub>m </sub>is given in (b). -Refer to Figure 1. Assume an unbypassed 36 ▲ resistor is inserted in series with RS. This primary effect of this change is to cause Figure 1 The equation for gm is given in (b). -Refer to Figure 1. Assume an unbypassed 36 ▲ resistor is inserted in series with RS. This primary effect of this change is to cause

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Switched capacitors are used to emulate a

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  Figure 4 The spec sheet shows I<sub>GSS </sub>= 200 nA (max)at V<sub>GS </sub>= -15 V and V<sub>DS </sub>= 0 V. -Refer to Figure 4. The input resistance, RIN, assuming maximum IGSS is Figure 4 The spec sheet shows IGSS = 200 nA (max)at VGS = -15 V and VDS = 0 V. -Refer to Figure 4. The input resistance, RIN, assuming maximum IGSS is

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  Figure 3 R<sub>S </sub>provides feedback for bias stability -Refer to Figure 3. If you are troubleshooting the ac signal and find the output is three times larger than expected and clipped. This could be caused by Figure 3 RS provides feedback for bias stability -Refer to Figure 3. If you are troubleshooting the ac signal and find the output is three times larger than expected and clipped. This could be caused by

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A common- drain (CD)amplifier is also called a source- follower.

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In pulse width modulation, the output pulses are proportional to the

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  Figure 6 -Refer to Figure 6. This circuit is an example of Figure 6 -Refer to Figure 6. This circuit is an example of

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A common- gate (CG)amplifier has high input resistance.

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  Figure 3 R<sub>S </sub>provides feedback for bias stability -Refer to Figure 3. Assume you are troubleshooting dc voltages with no signal input. You find that V<sub>DD </sub>= V<sub>D </sub>= 15 V. This could be caused by Figure 3 RS provides feedback for bias stability -Refer to Figure 3. Assume you are troubleshooting dc voltages with no signal input. You find that VDD = VD = 15 V. This could be caused by

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  Figure 1 The equation for g<sub>m </sub>is given in (b). -Refer to Figure 1. If C2 were to open, Figure 1 The equation for gm is given in (b). -Refer to Figure 1. If C2 were to open,

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If a load resistor is connected to a CS amplifier the

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In order to sample a waveform that is later reconstructed, the minimum sampling rate must be equal to

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  Figure 1 The equation for g<sub>m </sub>is given in (b). -Refer to Figure 1. The specification sheet indicates that gm0 is 8500 µS and VGS(off)is -2.5 V. Assume VGS = -1 V. The expected gain, Av, is Figure 1 The equation for gm is given in (b). -Refer to Figure 1. The specification sheet indicates that gm0 is 8500 µS and VGS(off)is -2.5 V. Assume VGS = -1 V. The expected gain, Av, is

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