Hyperabrupt Junction Tuning Varactors
SMV1142–SMV1148
Typical Capacitance Values
SMV1142
V
R
(V)
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
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
C
T
(pF)
13.38
10.70
9.10
7.98
7.12
6.42
5.83
5.32
4.86
4.45
4.09
3.75
3.46
3.21
3.00
2.84
2.72
2.63
2.56
2.50
2.45
2.41
2.36
2.35
2.32
SMV1143
C
T
(pF)
18.99
15.18
12.90
11.30
10.08
9.08
8.24
7.51
6.87
6.29
5.76
5.29
4.87
4.51
4.22
3.99
3.82
3.69
3.58
3.50
3.43
3.37
3.31
3.28
3.25
SMV1144
C
T
(pF)
24.01
19.18
16.30
14.28
12.73
11.46
10.40
9.48
8.66
7.93
7.26
6.66
6.13
5.68
5.31
5.02
4.80
4.63
4.50
4.40
4.31
4.24
4.15
4.15
4.08
SMV1145
C
T
(pF)
41.81
33.38
28.35
24.82
22.11
19.91
18.06
16.45
15.02
13.73
12.57
11.53
10.60
9.81
9.17
8.66
8.29
7.99
7.76
7.58
7.43
7.30
7.15
7.10
7.02
SMV1146
C
T
(pF)
61.13
48.97
41.43
36.26
32.30
29.08
26.37
24.01
21.92
20.04
18.34
16.81
15.45
14.30
13.36
12.62
12.07
11.63
11.30
11.03
10.81
10.62
10.40
10.33
10.21
SMV1147
C
T
(pF)
89.52
71.44
60.65
53.07
47.27
42.55
38.58
35.12
32.06
29.31
26.81
24.57
22.58
20.89
19.52
18.43
17.63
16.98
16.50
16.10
15.78
15.50
15.18
15.08
14.90
SMV1148
C
T
(pF)
104.71
83.27
70.48
61.48
54.56
48.92
44.13
39.97
36.29
32.99
30.03
27.43
25.22
23.43
22.06
21.01
20.22
19.61
19.12
18.72
18.38
18.11
17.87
17.65
17.43
SPICE Model
PORT
P_anode
port = 1
IND
L
S
L = L
S
DIODEM
Diode_Model
I
S
= 1.00e-14
R
S
= 0
N=1
T
T
= 0
C
JO
= C
JO
M=M
V
J
E
G
= 1.11
X
TI
= 3
K
F
=0
A
F
=1
F
C
= 0.5
B
V
= 0
I
BV
= 1e-3
I
SR
= 0
N
R
= 2
I
KF
= 0
N
BV
= 1
I
BVL
= 0
N
BVL
= 1
T
BV1
= 0
T
NOM
= 27
F
FE
= 1
Part
Number
SMV1142
SMV1143
SMV1144
SMV1145
SMV1146
SMV1147
SMV1148
C
JO
(pF)
13.38
18.99
24.01
41.80
61.13
89.52
104.70
V
J
(V)
2.20
2.20
2.20
2.50
2.50
2.50
2.25
M
1.0
1.0
1.0
1.1
1.1
1.1
1.1
C
P
(pF)
0
0
0
0
0
0
0
R
S
Ω
(Ω)
0.70
0.65
0.65
0.60
0.60
0.55
0.50
RES
R
S
R = R
S
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
CAP
C
P
C = C
P
1. Values extracted from measured performance.
2. For package inductance (L
S
) refer to package type.
3. For more details refer to the “Varactor SPICE Models for RF VCO
Applications” Application Note.
PORT
P_Cathode
port = 2
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 1/01A
3
ALPHA [ ALPHA INDUSTRIES ]
