SMV1129 View Datasheet(PDF) - Alpha Industries
Part Name
Description
View to exact match
SMV1129 Datasheet PDF : 3 Pages
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Hyperabrupt Junction Tuning Varactors
SMV1129 and SMV1139
Typical Performance Data
30
25
20
15
10
SMV1129
5
0
SMV1139
0
2
4
6
8
10
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
SPICE Model
IND
LS
L = LS
RES
RS
R = RS
DIODE
Varactor_Diode
AREA = 1
MODEL = Diode_Model
MODE = nonlinear
PORT
P_anode
port = 1
CAP
CP
C = CP
PORT
P_Cathode
port = 2
DIODEM
Diode_Model
IS = 1.00e-14
RS = 0
N=1
TT = 0
CJO = CJO
M=M
EG = 1.11
XTI = 3
KF =0
AF =1
FC = 0.5
BV = 0
IBV = 1e-3
ISR = 0
NR = 2
IKF = 0
NBV = 1
IBVL = 0
NBVL = 1
TBV1 = 0
TNOM = 27
FFE = 1
Part
CJO
VJ
Number (pF)
(V)
M
CP
RS
(pF)
(Ω)
SMV1129 27.5
2.8
1.10
0
0.40
SMV1139 8.0
1.2
0.65
0
0.60
1. Values extracted from measured performance.
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.
Capacitance vs. Reverse Voltage
VR (V)
0
1
2
3
4
5
6
7
8
9
10
11
12
SMV1129
CT (pF)
27.5
18.9
15.0
12.5
10.7
9.3
8.1
7.1
6.3
5.7
5.2
4.9
4.7
SMV1139
CT (pF)
8.0
5.5
4.4
3.7
3.1
2.7
2.5
2.3
2.2
2.1
2.0
2.0
1.9
SOD-323
0.090 (2.30 mm) MIN.
0.108 (2.74 mm) MAX.
0.045 (1.15 mm) MIN.
0.053 (1.35 mm) MAX. 1
2
0.010
(0.25 mm) MIN.
0.016
(0.40 mm) MAX.
0.006
(0.15 mm) TYP.
CATHODE
INDICATOR
0.063 (1.60 mm) MIN.
0.071 (1.80 mm) MAX.
0.008 (0.20 mm) NOM.
0.050
(1.25 mm) MAX.
0.010 (0.25 mm) MIN.
0.004 (0.10 mm) MAX.
SC-79
CATHODE 0.006 (0.15 mm) MIN.
INDICATOR
0.010
1
(0.25 mm) MIN.
0.014
(0.35 mm) MAX.
0.028
2
(0.70 mm) MIN.
0.035
(0.90 mm) MAX.
0.060 (1.50 mm) MIN.
0.067 (1.70 mm) MAX.
0.043 (1.10 mm) MIN.
0.051 (1.30 mm) MAX.
10˚ MAX.
0.003
(0.07 mm) MIN.
0.008
(0.20 mm) MAX.
0.020
(0.50 mm) MIN.
0.028
(0.70 mm) MAX.
10˚ MAX.
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email sales@alphaind.com • www.alphaind.com
Specifications subject to change without notice. 10/99A
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