DATA SHEET • SMV1247–SMV1255
Typical Capacitance Values
SMV1247
SMV1248
SMV1249
SMV1251
SMV1253
SMV1255
V
R
(V)
C (pF)
T
C (pF)
T
C (pF)
T
C (pF)
T
C (pF)
T
C (pF)
T
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.86
6.17
4.37
2.96
1.88
1.22
0.95
0.83
0.77
0.73
0.70
0.68
0.67
0.66
0.65
0.64
0.64
22.62
16.32
12.33
9.12
6.27
3.93
2.57
1.95
1.71
1.59
1.49
1.44
1.40
1.36
1.33
1.31
1.30
37.35
25.88
18.18
12.08
7.27
4.44
3.40
2.96
2.72
2.51
2.38
2.30
2.24
2.19
2.14
2.09
2.03
53.65
38.23
28.09
20.13
13.55
8.60
5.78
4.57
3.95
3.58
3.33
3.16
3.03
2.94
2.88
2.83
2.79
69.32
50.23
37.07
27.57
19.37
12.39
7.77
81.21
58.28
43.27
31.49
21.50
13.40
8.51
5.77
6.51
4.86
5.58
4.34
5.07
4.01
4.76
3.78
4.58
3.62
4.46
3.50
4.39
3.41
4.33
3.34
4.29
3.28
4.26
SPICE Model
Part
Number
C
(pF)
V
C
(pF)
R
S
JO
J
P
(V)
13
13
17
17
17
17
M
(Ω)
4.9
2.4
1.7
1.4
1.1
1.0
PORT
P_anode
port = 1
SMV1247
SMV1248
SMV1249
SMV1251
SMV1253
SMV1255
9.22
10.5
10.5
14.0
14.0
14.0
13.0
0
DIODEM
Diode_Model
IS = 1.00e-14
RS = 0
N = 1
TT = 0
21.54
39.00
60.00
70.00
82.00
0
IND
LS
L = LS
0
0
0
CJO = CJO
M = M
0
VJ = VJ
EG = 1.11
XTI = 3
KF =0
AF =1
FC = 0.5
BV = 0
1. Model was designed to fit measured data in the range of up to 4 V.
2. For package inductance (LS) refer to package type.
3. For more details refer to the “Varactor SPICE Models for RF VCO Applications”
Application Note.
RES
RS
R = RS
CAP
CP
C = CP
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
IBV = 1e-3
ISR = 0
NR = 2
IKF = 0
NBV = 1
IBVL = 0
NBVL = 1
TBV1 = 0
TNOM = 27
FFE = 1
PORT
P_Cathode
port = 2
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December 07, 2004 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • 200061 Rev. B
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