SMV1770-079 View Datasheet(PDF) - Alpha Industries
Part Name
Description
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SMV1770-079 Datasheet PDF : 2 Pages
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Hyperabrupt Junction Tuning Varactor
SMV1770-079
Typical Performance Data
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0
Varactor Voltage (V)
Capacitance vs. Voltage
5
4
VVAR = 1 V
3
2
VVAR = 2.5 V
1
0
VVAR = 4 V
-1
-2
-3
-4
-40 -20 0
20 40 60 80
Temperature (˚C)
Relative Capacitance
Change vs. Temperature
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.
Capacitance vs. Voltage
VR (V)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
CT (pF)
31.2
23.6
17.8
13.7
10.7
8.6
7.0
5.9
5.5
5.2
5.0
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
VJ
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
Number
CJO
VJ
(pF) (V)
SMV1770-079 31
12
M
CP
RS
LS
(pF) (Ω) (nH)
8
2
0.4 0.8
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
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