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(ELEC202)pass_mt2_ans.pdf
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THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
DEPARTMENT OF ELECTRICAL AND ELECTRONIC ENGINEERING

Elec 202 Philip Mok
ELECTRONIC CIRCUITS II
Fall 2002 Room 2440
MID-TERM #2 (ANSWERS)
(1)
(a) ID1 = ID2 = ID4 = 0.5 mA, ID3 = ID5 = 2 mA

(b) Ro = 490.2 ., vo/vi = .33.0 V/V

(2)
(a) Rref = 8.6 k.

(b)
Io = 76.7 A

(c)
Ro = 31.06 M.

(d)
VOmin = 0.967 V




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