-14 What is the LED current in Fig 12-51a when V GS = 5V?

This preview shows page 1 - 4 out of 4 pages.

W3 Assignment “MOSFETs” Date: 9/29/2019
Week 3: Work Problems 12-2, 12-6, 12-14, 12-18, 12-22, pg. 516-519. 12-2 Given the same values as in the previous problem, calculate I D for the enhancement mode only. I D = 4 ( 1 ( 0.5 2 ) ) 2 = 6.25 mA I D = 4 ( 1 ( 1.0 2 ) ) 2 = 9 mA I D = 4 ( 1 ( 1.5 2 ) ) 2 = 12.25 mA 12-6 Using Fig. 12-49 find r d , A V , and V out if R D = 680 and R L = 10k . r d = ( 680 Ω ) ( 10 ) 680 Ω + 10 = 637 A v = 4000 ( 637 ) = 2.548 V V out = 2.548 ( 100 mV ) = 254.8 mV 10 k 680
12-14 What is the LED current in Fig. 12-51a when V GS = 5V?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture