# Past Exam for EEC 210 - MOS Analog Circuit Desgn with Amirtharajah at UC Davis (UCD)

## Exam Information

 Material Type: Mid-Term Professor: Amirtharajah Class: EEC 210 - MOS Analog Circuit Desgn Subject: Engineering Electrical & Compu University: University of California - Davis Term: Fall 2005 Keywords: Following Circuit ## Sample Document Text

2 Differential Amplifier Figure 2 shows the circui t schematic for a differential amplifier. For this problem, use the transistor parameters in Table 2. Assum e the following circuit parameters: frAIL = 590f.!A, R TAIL = 30 H1 , Rl = 3 kO, R2 = 6 kO , (W/ L), = (W/ L)2 = 8. Parameter NMOS PMOS lit I V -1 V Ld 0 0 Xd 0 0 k' 300 J.LA ! V 2 lOO I'A! V2 I 0 0 ,\ 0 0 Table 2: Problem 2 Transistor Parameters. -+- 300 "'v ~ -::. 30D )J- A 30 K.52.. 0.3'11 .,. ::L V + D.S V =-�] Problem 2.2 (3 points) Find (W/Lh = (W/L)4 such that Va = 1. 5 V, assuming the bias conditions you found in Problem 2.l. I3 '" I. cO T - I \Jo ') 3- ,+ R , + 2l<'l.. ~ 30�r-A + \,5 \} =- /..jOO jAA 3 k JL -T 2(fo kJl.) 1. '0,# ~'f",,,,e+.,.y \ \}'3\'" \1.\1. 2 \10 _ \leo \ ,,)ll.kSl.. I.SV \ \<' ( 2 1<- ,+2.11-2. 151<:.52.. - 3'" =- I.g V =t 4 0o)J-A <.::t ~\ qv.,~\-IV"'fl) 5 ...