Análise de Amplificador TBJ Coletor Comum - Cálculos e Impedância

Amplificador com TBJ Coletor Comum Exemplo de análise A Figura apresenta um amplificador coletor comum Com base nos valores dos componentes apresentados quais são os valores DC de tensão e corrente em cada ponto do circuito Apresente todas as justificativas e cálculos necessários Qual a impedância de entrada e saída do circuito Apresente todas as justificativas e cálculos necessários Considerando que o gerador de sinal G apresenta uma impedância de saída de 50 ohms qual a estimativa dos valores de amplitude do sinal de entrada entregue na saída tensão VO ou seja no resistor de saída RL VB 20K10K 20K 12 8V VE 8 07 73V IRE 731K 73 mA β 200 547B RE 1K IRB1 12 8 10K IRB1 400 μA IB 73m200 365μA IRB2 IRB1 IB IRB2 400 μ 365 μ IRB2 3635 μA 50 zm ent zm base 10K RB1 RB2 20K βre βIB RE 1K V0 Z0 36K re 26 mIE 26 m73 m re 356Ω zm base β re βREeq alto desprezar zm base β 356 βre 1K zm base β 356 200 356 1K zm base 200 172K 344 Meg zm ent 10K20K 11344 x 106 zm ent 667K 11344 x 106 zm ent 667K Zout emissor rthβ re 50667K β re Zout emissor 4963200 356 Zout emissor 38Ω ganho Req re Req 1K1K 38 0996 Vi 2V Vo Vi 0996 Vo 1992 FEATURES PURE VITAMIN B 3 NIACINAMIDE A natural derivative of Vitamin B 3 Niacinamide assists skins natural barrier to help retain moisture and reduce signs of damage giving a healthy wholesome appearance STRENGTHENS MOISTURE BARRIER Delivers longlasting moisturizing effects to improve skin texture and protect the skin barrier SATISFYING MOIST FEELING Delivers a lightweight texture that the skin quickly absorbs with a soft moisturizing finish HOW TO USE After cleansing dispense about 23 pumps of product onto palm or cotton pad apply evenly all over face use gently tapping finish until full absorbed PRODUCTING BY MIGU COSMETICS GUANGZHOU CO LTD ADD 17F Block E2 Innovation Technology Park NO3 Kezhu Road Science City Guangzhou PRChina TEL 4009921822 wwwsoconicom facebookcomsoconicosmetics instagramsoconicosmetics Made In China CONTAINS Niacinamide 50 TA55038 Expiry 20251014 QC 02002240657469 Manufacturers serial number 20221022BB46 Volume 40ml 13FLOZ VEGAN N 2Z 47225 81010 0 0 00 0 0 8 5 5 8 8 1 2 4 3 8 0 3 3 6 5 5 7 15488888515 DHAojisooaiT 0105 0207 N0610 0203 QG0102 0204 QC01QF01QG02QT01QH01QH02 0228 QC02QG030232 QG04QG06 QC07 DEG01B031QF02QH03QF03QH04QH05QH06 QH07QH08QF04QG05QC04QC05QC06B032QC08 3 3 3 3 3 3 3 3 3 3 33 3 3 3 3 3 33 3 3 3 33333 3 3 3 3 3 3 3 33 3 3 333333 33 33333 33333