Silicon Hyperabrupt Tuning Varactors: UHF
The Aeroflex / Metelics UHF Tuning Varactors offer higher Qs than their VHF counterparts, but have slightly lower capacitance ratios. These diodes are excellent for octave tuning up to 800 MHz and for straight-line-frequency tuning between 3 and 8 volts of bias. They also achieve exceptionally high Q values and large signal capabilities when tuned between 9 and 20 volts, which extends their useful range
to over 1 GHz. Closely matched sets are available, designed by suffix “A”.
- High Reliability, Silicon Planar
- Octave Tuning at UHF
- Octave Tuning at VHF
- Straight-Line Frequency Applications
Over a 3 to 8 Volt Bias Range
- Low Cost Applications
Model
|
Total Capacitance pF
|
Tuning Ratio
|
Q
|
VBR
|
IR rnAdc
|
min
|
max
|
min
|
max
|
min
|
max
|
min
|
max
|
min
|
max
|
min
|
typ
|
min
|
typ
|
typ
|
max
|
typ
|
max
|
Typ
|
max
|
TV2101
|
10.5
|
12.5
|
4.3
|
5.7
|
2.0
|
2.3
|
5.0
|
5.8
|
—
|
–
|
300
|
350
|
22
|
30
|
—
|
–
|
—
|
–
|
10
|
100
|
TV2101A
|
10.9
|
12.1
|
4.6
|
5.4
|
2.0
|
2.3
|
5.0
|
5.8
|
—
|
–
|
300
|
350
|
22
|
30
|
—
|
–
|
—
|
–
|
10
|
100
|
TV2102
|
10.5
|
12.5
|
4.3
|
5.7
|
2.0
|
2.4
|
4.7
|
5.5
|
—
|
–
|
200
|
300
|
22
|
30
|
—
|
–
|
—
|
–
|
10
|
100
|
TV2102A
|
10.9
|
12.1
|
4.6
|
5.4
|
2.0
|
2.4
|
4.7
|
5.5
|
—
|
–
|
200
|
300
|
22
|
30
|
—
|
–
|
—
|
–
|
10
|
100
|
TV2103
|
10.5
|
12.5
|
4.3
|
5.7
|
—
|
–
|
—
|
–
|
1.9
|
2.7
|
200
|
300
|
15
|
18
|
—
|
–
|
50
|
500
|
—
|
–
|
TV2103A
|
10.9
|
12.1
|
4.6
|
5.4
|
—
|
–
|
—
|
–
|
2.0
|
2.6
|
200
|
300
|
15
|
18
|
—
|
–
|
50
|
500
|
—
|
–
|
TV2104
|
10.5
|
12.5
|
—
|
–
|
—
|
–
|
—
|
–
|
—
|
–
|
100
|
150
|
8
|
12
|
50
|
500
|
—
|
–
|
—
|
–
|
TV2801
|
25.0
|
31.0
|
10.0
|
13.5
|
4.5
|
5.1
|
5.2
|
6.1
|
—
|
–
|
200
|
250
|
22
|
30
|
—
|
–
|
—
|
–
|
20
|
100
|
TV2801A
|
26.5
|
29.5
|
11.0
|
13.0
|
4.5
|
5.1
|
5.2
|
6.1
|
—
|
–
|
200
|
250
|
22
|
30
|
—
|
–
|
—
|
–
|
20
|
100
|
TV2802
|
25.0
|
31.0
|
10.0
|
13.5
|
4.5
|
5.3
|
4.9
|
5.8
|
—
|
–
|
150
|
200
|
22
|
30
|
—
|
–
|
—
|
–
|
20
|
100
|
TV2802A
|
26.5
|
29.5
|
11.0
|
13.0
|
4.5
|
5.3
|
4.9
|
5.8
|
—
|
–
|
150
|
200
|
22
|
30
|
—
|
–
|
—
|
–
|
20
|
100
|
TV2803
|
25.0
|
31.0
|
10.0
|
13.5
|
—
|
–
|
—
|
–
|
1.9
|
2.8
|
150
|
200
|
15
|
18
|
—
|
–
|
50
|
500
|
—
|
–
|
TV2803A
|
26.5
|
29.5
|
11.0
|
13.0
|
—
|
–
|
—
|
–
|
2.0
|
2.7
|
150
|
200
|
15
|
18
|
—
|
–
|
50
|
500
|
—
|
–
|
TV2804
|
25.0
|
31.0
|
—
|
–
|
—
|
–
|
—
|
–
|
—
|
–
|
75
|
100
|
8
|
12
|
50
|
500
|
—
|
–
|
—
|
–
|
Test Conds.
|
@ -3 Vdc,
F = 1 MHz
|
@ -8 Vdc,
F = 1 MHz
|
@ -20 Vdc,
F = 1 MHz
|
CT3 / CT20
|
CT3 / CT8
|
@ -3 Vdc,
F = 50 MHz
|
@ 10 mA
|
@ -6 V
|
@ -10 V
|
@ -20 V
|
Maximum Ratings
|
Parameter
|
Value
|
|
Reverse Voltage
|
Same as VBR(Volts)
|
|
Forward Current
|
100 mA
|
|
Power Dissipation
|
250mW
|
|
Operating
Temperature
|
-55 to + 150 °C
|
|
Storage Temperature
|
-65 to + 200 °C
|
|
| |
|
