Question

R = 10 k2 For the circuit shown to the right, where the op-amp has 422 a max Vout= = 15 V and a max current output of 25 mA 3VVM a. Find the output voltage Vout b. Find the output current lout of the op-amp. c. The range of Ri for which the operational amplifier will be within its current and voltage 9k2 limit. 800

Answer 1

Giver Cirleit is - hkrv R,=lok2 R 3r m my qk2 t Yout r t Grow out son • 3k2 Applying Klat v, (the terminel) 4V--> V=IN Applying ked at v, (ve terminal) 1-3 . I-Vout + 4K Ri het gevoel York = 2 - R 1 (Taking R, inka) [ Vout = 2 & 1) = (-A) Zk.

kel at Vout, R 0.8 Wat om verseke Font = 0 Vart lata) -Zot (-) 6+) - a - Inst Tout - Hotéis 3 estre Tout = 0.75 - 16 mA a) R, cok, Vout=1712 / = - 4V b) R, =cok, Yout = 0.75- All - S. SMA c) Range of R., when Vort = +15, 15= 1- ar -14 E R==28kr, when Vont = -15, 15=1 - R 1 - A 2 = 16 > R, = 32 k? : -2852 < R$ 32 kr.

Tout ranges from o to asma, 1. when I out to, = 1.680175 Ri= 1.2 Kz. when Iont = 25mA) 0.75 - P t = as . 7 R,=-38.8k2 :. -38.8kr IR, E 1.2 kr. Common region of grange =28kr <R, < 1.2k2