ANALOG REMOVAL Flashcards
HOW TO SOLVE HIE
VR-KIRH
vth
rth
kvl
ic=bib
re’= 26mv/ic
hie=b(re’)
Voltage Shunt Formula
Rif
Af
Rof
Ro’f
B
open loop gain
Rif= ri/ 1+BRm
Af= Rmf=Vo/Is= Rm/ 1+BRm
Rof= Ro/ 1+BRm
Ro’f= Rl’/1+BRm
B= If/Vo
Open loop gain= Rm=lim Rl-> infinity RM
Voltage Series Formula
Rif
Af
Rof
Ro’f
B
open loop gain
Rif= Ri (1+BAv)
Af= Avf= Av/ 1+BAv
Rof= Ro/ 1+BAv
Ro’f=Ro’f= Rl’/ 1+BAv
B= Vf/Vo
Open loop gain= Av=lim Av Rl-> infinity
Meaning of
Voltage Shunt
Voltage Series
Voltage- connected to output
Shunt-CB, parallel
Series-CC, CD
Voltage Shunt Process final
TARARRGAA-AA
1.) Topology
2.) Ac Analysis
3.) Rm
4.) AVCE 1, AVCE 2, Vb1/Vs
5.) Rm
6.) Rmf= rm/1+brm
7.) Gmf= gm/rsxrl
8.) Aif= rm/rl; Avf= rm/rs
9.) Avsl= avmid x fdt
10.) Avsh= avmid x fdt
Voltage Series final
DABAAA-ARGA-AA-B
1.) Dc analysis
2.) Ac analysis
3.) B=vf/vo
4.) Av=vo/vs
5.) AVCE2, AVCE1, VB1/Vs
6.)Av
7.) Avf= av/1+Bav
8.) Rmf= av(rs)
9.) gmf= (av)(1/ro)
10.) aif= av (rs/ro)
11.) avsl
12.) avsh
13.) BW= fch-fcl
DC Analysis final
vth
rth
kvl find ib
ie= ib (b+1)
hie= 26 mv/ ie (b)