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Unformatted text preview: D iffer ence Amplifier Node Voltage M ethod Nor t on & T hevenin Equivalents R – Va. Vdm = Vb eal Op Amp w ith Rin = 110K, R o =  0.2A = 1000 > 0.01V1 + 0.004V2 + 0.003V3 = 0.2 V1/100 + V2/250 + 0.003V3 0k , = 0 ot for R Fax deactfull eind butSw itch e V_ab at openF ind B ox cuit , ing cur entt=0. ofone P_max_Ro. sour cir C ) as Ro and independent Va, Vb, to b tthe = 0. esultPower. rFaalli(t ) Calculat2500t uA t=0. ce. c. Vo(t) = t > 0. cir M ind Vo(tivat at func = 900e^ a R, C. in deal Op Find Vo / VgV1 + 20 = V2 Amp F ind Sour celeft ansfor mation t he T sour ce is ia = 0? Sour Vcm = (Va + Vb)/2. ia. For what value of Power rAbsor bedV1 – V2 = 20 ce > by 20V sourfor t and cur M et hod, cesst hC au,et C1cir in shorReq VbBBox. wit t her )Testt Volt agegiven: R =or Calculat25nF,and= s andgener=cir cuit s Vcc = 12V to(t atceshe amp r ial Ener gy Rtor edshor _abplug 10mV,open al60mV, r espect ively. ur e > 0, I nit ent sour 40k, M et hod. Va C2, tocir c. Find Vo(0),Vo(inf), h= in I t hen cuit int of Va = Vcm – ½Vdm.Volt age M+ V3/500 + 0.2 – 0.003V3 = 0 Use Node V4/200 et hod > 0.003V3 + 0.005V4 = 0.2 met hod or cur r ent division met hod. Then i1’ + i1” = i1 and v1’ + v1” = v1. Rt h = V/I M esh Cur r ent M eth Vb = Vcm + ½Vdm. V3 + 0.4V2 = V4 > 0.4V2 + V3  V4 = 0 ...
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This note was uploaded on 02/28/2011 for the course EE 10 taught by Professor Chang during the Winter '07 term at UCLA.
 Winter '07
 Chang
 Amplifier, Volt

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