Question

10L The op_amp is IDEAL D1 and D2 are IDENTICAL a nd IDEAL Si zener Diodes and exhibit a Vout TOBAL 1k 100k D1 Osine zener voHoge of 6.3 V Cin the forward bios region it exhibits o.7 D2 aJplease draw roughly the out Put voltoges Vout when input sire wa ve) Vsig=05•Sinwt V. b)Please draw roughly the output voltagej Vout when input sine waves vsig=1.sinwt V.

Answer 1

saution: looking * Giuen zeer bleak down voltages V₂, = V2 = 6-31 zemer auf in vollege = "D, = "D2 = 0.74 the volege es- node us * Due to villian Ahort, - zero. Hihna varo] * Apply kal at noch ① then Var Vaig tano zo - lok (voa-10 Vsig V = 0.5 sinut v. Vourloxo.sxfinut Yo = -5 sinwav/ -> lvo} = 5V Nol< Vzorke the Zener diodes are condition, acting as open Circuit I Vour Vo=-5 sin wt / Since in off

At WLTO, Voul- = -5X0= Ov At wt :98, Your = -5x sing5=-81 At WE=8182, Vower: -5x sin 180 = OV At wt=270, You a-sX Sin27i = -5x-1=5v At wh: 368 Yout- a -5xsin 36? = ov. using a o. sutan 3611 -0. Sy tamil 1 I I Now it à r tsvla Į AT \/ -.1 Iericana & output wall forms RS: Snow

\ = 8 أنس ۷ , ۱ - Vo - lox Veiga -lo fonwt yl During positive Half Cycle of Veis, vois negative (-lov). x For os No <-12, 82, both o Diodes an offe the [Now = Vsig] * for biased vos-V2,-voor Diode ODI JA recurs and Dz is faworld biated. - look £12, it a Vout - Vz, YD2 It "you -6.3-0.7 -IV. Vow- - During negative Hald escle of Vris, V. JA positiu (lov) & for os voc zat o both the diodes an off" tana How = Veidl e 107 "2+VD), Diode D2 and Di us towand biased. a look tu bit qe un revern biased he Yout= Vzztldi +6-3+0.7 [ You = +7V7

(b | -/ | - 高大的一 k- t - | e-1- 一传-F - - + ---- f -- - v prive | | If + Firl- - y + - IT I lu - - - 4N- + || - {十一 --- T7 T hey- V - - i- fip: Inpw. & output waveforms