Question

Electronics 1 Laboratory Ersperiment*9 Blasing and amplification of but byt is used to amplity Spausor del Segrul in anolay Electronics. Following is an Example of such circuit fifteen $2150 R نامہ VBE 2017 Okt LIKERE a Design this circuit for Sca=ant, VCE Q2 7v. What would be the gain of this Circuit? (R., R2, RC and Au)?? BIFRE is removed calculate Q-point of transistor. Is transistor in active or Saturation region?

Answer 1

Ginen circuit Jei b-150 p-150 vae .0.7 Giren that V Vee 2 MA TVE e Vocal Le IV Vico - Iv. fig@ Ic=ama I - Se = 547585 (24 to ) xicºt. Je = Ic+IRE X 10.A VE TE TRE we159 x D x1x10°. 11 = 2.013 Volley 0 01*1 X - - 2.013 VOH 73

* Vee . Ve-VE vc. VGTVE. vi = F + 2.013 ve ? 9,013 v - from tig nom ICE 15.9.013 Re - - Rca 3kn → Take an answeption Ri= R2 =R. from fig@ *15 Reun asen ve VAC 15x874.5V Yeerlen VRBY t = ! fig@

- from fig (6) Vec V-VE VR : VRET VE : 0.7 of 2.013 VBE 9.813 V. on Apply not along Loop O. 1.5 + RIRE VREO IB = din 2.5-2.013 u 4.982: .. x din la a 2x4.087 x 4. A 67 Ra То x x103 R: 718.05kn :: R1 = 418.05kn., R2 = 718.00kn)

o AV !- Volleye gain! - Av=-gmxri 2x10 gma (442 2603 26 K10 x 3 x 10 Aus - %* 3x10 AVS - 2 30.769 w Ri= 718.050, R2 =418.05un, Ri=8ku, Av = -230.76 9. - O is removed, calculate Q-point of is in active region (on saturation at RE trausistor С. бока - assumption * en cetin * теміз h from figh

415V RC = 3on 859.025on VCE. B: 150V. VBE 20.7. 7.57 apply aut along loop -9.5+ 359,0 2 [X1OX IR 70. A 20 IB = 7.5-0.7 - 389.028 6103 r6 IB = 0.0189 810 A . .18.9x10 A 150 x 0.0189 x 10 Ici PIB: 143 2.595mm. from abono figne VLE : 15-3 X 2.831. Vit 6.495. El CF > 0.2 V i, vie > Veeran To.zul y the circuit operates in activeregion