Hyperabrupt Tuning Varactors
SMV1232–SMV1237
Electrical Specifications at 25°C
Part
Number
SMV1232
SMV1233
SMV1234
SMV1235
SMV1236
SMV1237
C
T
@ 1 V
(pF)
Min.
2.34
3.00
5.85
10.35
15.50
45.00
Max.
2.86
3.60
7.15
12.65
18.50
54.00
C
T
@ 3V
(pF)
Typ.
1.5
1.8
3.6
6.4
9.2
26.9
C
T
@ 6V
(pF)
Typ.
0.94
1.10
2.00
3.60
5.30
14.40
C
T
@ 1 V
C
T
@ 3 V
(Ratio)
Min.
1.5
1.5
1.6
1.6
1.6
1.6
Max.
1.9
1.9
2.0
2.0
2.0
2.0
C
T
@ 1 V
C
T
@ 6 V
(Ratio)
Min.
2.6
2.6
2.8
2.9
3.0
3.0
Max.
3.3
3.3
3.4
3.4
3.5
3.5
R
S
@ 3 V
500 MHz
Ω
(Ω)
Max.
1.50
1.20
0.80
0.60
0.50
0.25
Q
@ 3V
50 MHz
Typ.
1400
1200
1000
750
700
500
Reverse Voltage V
R
(I
R
= 10
µA):
15 V
Reverse Current I
R
(V
R
= 12 V): 20 nA
Typical Performance Data
100.0
SMV1237
SMV1236
2
SMV1232
SMV1233
SMV1234
SMV1235
Capacitance (pF)
10.0
R
S
(Ω)
1.0
SMV1235
SMV1234
SMV1233
0.1
0
2.0
4.0
6.0
8.0
SMV1232
1
SMV1236
SMV1237
0
0
1
2
3
4
5
Reverse Voltage (V)
Reverse Voltage (V)
Capacitance vs. Reverse Voltage
Series Resistance vs. Reverse Voltage
@ 500 MHz
10
5
Percentage Change (%)
3
2
1
0
-1
-2
-3
-4
-40
-20
0
20
40
60
80
V
R
= 3 V
V
R
= 1 V
Percentage Change (%)
4
8
6
4
2
0
-2
-4
-6
-8
-40
-20
0
20
40
60
80
Temperature (˚C)
Temperature (˚C)
Relative Capacitance Change
vs. Temperature
Relative Series Resistance Change
vs. Temperature @ 500 MHz
2
Alpha Industries, Inc.
[781] 935-5150
•
Fax
[617] 824-4579
•
Email
sales@alphaind.com
•
www.alphaind.com
Specifications subject to change without notice. 6/99A
ALPHA [ ALPHA INDUSTRIES ]
