Hyperabrupt Junction Tuning Varactor
SMV1705-079
Typical Performance Data
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0
0
1.0
2.0
3.0
4.0
5.0
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)
31.5
23.5
18.3
14.3
11.9
9.7
8.3
7.1
6.1
5.5
5.2
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
(pF)
VJ
(V)
M
CP
RS
LS
(pF) (Ω) (nH)
SMV1705-079 31
3
2
0.5 0.32 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