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Question 4.9: Determine the drain-to-source voltage in the circuit of Figu...

Determine the drain-to-source voltage in the circuit of Figure 4–32 . The MOSFET data sheet gives IDSSI_{DSS} = 12 mA.

4.32
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Since ID=IDSSI_{D} = I_{DSS} = 12 mA, the drain-to-source voltage is

VDS=VDD – IDSSRDV_{DS} = V_{DD}  –  I_{DSS}R_{D} = 18 V – (12 mA)(560 Ω) = 11.28 V

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