ANALOG HYBRID PI MODEL Flashcards
1
Q
DKIRHAAAVVMFAAAFARFB
A
1.) dc analysis
kvl, ib
ic= bib
re’
hie
ac analysis
avmid
avce
vb/vx
vx/vs
multiply
fcl
avsl
avmid
avmid
fch
avsh
req
fcl
bw
2
Q
DC Analysis what includes
A
vth and rth
3
Q
IE formula
A
IE= IB (B+1)
4
Q
IC
A
BIB
5
Q
re’
A
26mv/ IC
6
Q
hie
A
RIN OR BRE’
7
Q
AC ANALYSIS
A
INCLUDE GMVB’E, HIE, PARASITIC CAPACITANCE
8
Q
AVMID
A
-vo/vs
9
Q
AVCE
A
-Ri/re’ / 1+ RE/re’ / 1+jwcRE
10
Q
VB/VX OR VX/VS
A
RIN/ RIN +R
11
Q
MULTIPLY
A
ALL AVMID BUT WITH NEGATIVE
12
Q
VTH
A
VOLTAGE DIVIDER (V)(R1)/ R1+R2
13
Q
RTH
A
PARALLEL AND SERIES
14
Q
FCL1
A
1/ 2pi(RS+RI’)(C)
15
Q
AVSL
A
AVMID (FDT OR 1/ 1-JFCL/F)
16
Q
AVSL
A
IS ALWAYS NEGATIVE
17
Q
AVMID ANOTHER
A
-RI/re’
18
Q
AVMID
A
-VO/VS
19
Q
AVMID ALWAYS
A
NEGATIVE
20
Q
FCH1
A
1/2PIRTHCX
21
Q
RTH IN FCH
A
LEFT TO RIGHT SIMPLIFICATION
22
Q
CB’C IN (M)
A
= CB’C (1+AVMID)
23
Q
AVSH
A
-AVMID(1/ 1+J F/FCH)
24
Q
REQ
A
ALL OF R/ 1+HFE
25
FCL RE
1/2PIREQC
26
BW
= FCH(LOW)-FCL(HIGH)
27
if AVCC included the ac analysis should include
ROCC
28
rocc
Rs+hie/ 1+hfe
29
if there is no bypass
use one avmid only
30
if there is a bypass
use two avmid
31
avce has always
NEGATIVE AVSL, AVMID
32
if resistor is on series
vx
33
gm formula
ic/ 26mv
34
re'
1/gm
35
AVCE
-GMRL'/ 1+GMRE
36
AVCC
GMRE/ 1+GMRE
37
AVCB
GMRL/1+GMRB
