SMV1142 Datasheet, PDF (2/4 Pages) Alpha Industries – Hyperabrupt Junction Tuning Varactors

Hyperabrupt Junction Tuning Varactors
SMV1142–SMV1148
Electrical Specifications at 25°C
Part
Number
C_T @ 1 V
(pF)
Min.
Max.
SMV1142
8.20
10.00
SMV1143
11.60
14.20
SMV1144
14.65
17.95
SMV1145
25.50
31.20
SMV1146
37.80
46.20
SMV1147
54.60
66.70
SMV1148
62.00
76.00
Reverse Voltage V_R (I_R = 10 µA): 12 V
Reverse Current I_R (V_R = 9.6 V): 20 nA
C_T
@ 3V
(pF)
Typ.
5.8
8.2
10.4
18.1
26.4
38.6
44.1
C_T
@ 6V
(pF)
Typ.
3.5
4.9
6.1
10.6
15.5
22.6
25.2
Typical Performance Data
100.0
SMV1148
SMV1147
SMV1146
10.0
SMV1145
SMV1144
1.0
0
SMV1143
SMV1142
2.0
4.0
6.0
8.0
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
5
4
3
2
VR = 1 V
1
0
-1
-2
VR = 4 V
-3
-40 -20 0 20 40 60 80
Temperature (˚C)
Relative Capacitance Change
vs. Temperature
C_T @ 1 V
C_T @ 3 V
(Ratio)
Min.
Max.
1.50
1.65
1.50
1.65
1.50
1.65
1.50
1.65
1.50
1.65
1.50
1.65
1.50
1.65
C_T @ 1 V
C_T @ 6 V
(Ratio)
Min.
Max.
2.43
2.93
2.45
2.95
2.46
2.96
2.50
3.00
2.50
3.00
2.50
3.00
2.50
3.00
R_S @ 3 V
500 MHz
(Ω)
Max.
0.70
0.65
0.65
0.60
0.60
0.55
0.50
Q
@ 3V
50 MHz
Typ.
800
600
500
300
200
150
150
0.8
SMV1142
SMV1143
SMV1144
0.6
SMV1145
SMV1146
SMV1147
SMV1148
0.4
0
1
2
3
4
5
Reverse Voltage (V)
Series Resistance vs. Reverse Voltage
@ 500 MHz
12
10
8
6
4
2
0
-2
-4
-6
-8
-40 -20 0 20 40 60 80
Temperature (˚C)
Relative Series Resistance Change
vs. Temperature
2
Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [e-mail] • www.alphaind.com
Specifications subject to change without notice. 1/01A