5.11 A p-channel MOSFET with a threshold voltage Vtp = −0.7 V has its source connected to ground. (a) What should the gate voltage be for the device to operate with an overdrive voltage of  VOV  = 0.4 V? (b) With the gate voltage as in (a), what is the highest voltage allowed at the drain while the device operates in the saturation region? (c) If the drain current obtained in (b) is 0.5 mA, what would the current be for V D = −20 mV and for VD = −2V?

11 1 - 5.11 A p-channel MOSFET with a threshold voltage Vtp = −0.7 V has its source connected to ground. (a) What should the gate voltage be for the device to operate with an overdrive voltage of  VOV  = 0.4 V? (b) With the gate voltage as in (a), what is the highest voltage allowed at the drain while the device operates in the saturation region? (c) If the drain current obtained in (b) is 0.5 mA, what would the current be for V D = −20 mV and for VD = −2V?

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images - 5.11 A p-channel MOSFET with a threshold voltage Vtp = −0.7 V has its source connected to ground. (a) What should the gate voltage be for the device to operate with an overdrive voltage of  VOV  = 0.4 V? (b) With the gate voltage as in (a), what is the highest voltage allowed at the drain while the device operates in the saturation region? (c) If the drain current obtained in (b) is 0.5 mA, what would the current be for V D = −20 mV and for VD = −2V?

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