Tuning Varactors: TV 2100, 2800 Series
UHF Hyperabrupt Tuning Varactors
Description
The MicroMetrics UHF Tuning
Varactors offer higher Q's 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, designated by suffix "A".
Features
High Reliability, Silicon Planar
Octave Tuning at UHF
Octave Tuning at VHF
Straight-Line Frequency Applications
over 3 to 8 Volt Bias Range
Low Cost Applications
Packaging
Hermetically Sealed
T
uning V
aractors
28
Notes:
1. Capacitance is measured in standard case style CS85.
Total Capactiance, Ct
1
Tuning Ratio Tr
F = 1 MHz
F = 1 MHz
(pF)
Vr = 3 Vdc
Vr = 8 Vdc
Vr = 20 Vdc
C(3V)/C(20V)
C(3V)/C(8V)
MIN/MAX
MIN/MAX
MIN/MAX
MIN/MAX
MIN/MAX
10.5/12.5
4.3/5.7
2.0/2.3
5.0/5.8
-
10.9/12.1
4.6/5.4
2.0/2.3
5.0/5.8
-
10.5/12.5
4.3/5.7
2.0/2.4
4.7/5.5
-
10.9/12.1
4.6/5.4
2.0/2.4
4.7/5.5
-
10.5/12.5
4.3/5.7
-
-
1.9/2.7
10.9/12.1
4.6/5.4
-
-
2.0/2.6
10.5/12.5
-
-
-
-
25/31
10/13.5
4.5/5.1
5.2/6.1
-
26.5/29.5
11/13
4.5/5.1
5.2/6.1
-
25/31
10/13.5
4.5/5.3
4.9/5.8
-
26.5/29.5
11/13
4.5/5.3
4.9/5.8
-
25/31
10/13.5
-
-
1.9/2.8
26.5/29.5
11/13
-
-
2.0/2.7
25/31
-
-
-
-
Electrical Characteristics
MicroMetrics, Inc. 136 Harvey Road, Building C, Londonderry, NH 03053
Voice: 603-641-3800, Fax: 603-641-3500, Internet: www.micrometrics.com, E-mail: serv@micrometrics.com
Tuning Varactors: TV 2100, 2800 Series
29
T
uning V
aractors
Q
Vbr
Ir
Part
Vr = 3 Vdc
(Vdc)
(nAdc)
Number
F = 50 MHz
Ir = 10
Adc
Vr = 6 Vdc
Vr = 10 Vdc
Vr = 20 Vdc
MIN/TYP
MIN/TYP
TYP/MAX
TYP/MAX
TYP/MAX
300/350
22/30
-
-
10/100
TV2101
300/350
22/30
10/100
TV2101A
200/300
22/30
-
-
10/100
TV2102
200/300
22/30
10/100
TV2102A
200/300
15/18
-
50/500
-
TV2103
200/300
15/18
-
50/500
-
TV2103A
100/150
8/12
50/500
-
-
TV2104
200/250
22/30
-
-
20/100
TV2801
200/250
22/30
-
-
20/100
TV2801A
150/200
22/30
-
-
20/100
TV2802
150/200
22/30
-
-
20/100
TV2802A
150/200
15/18
-
50/500
-
TV2803
150/200
15/18
-
50/500
-
TV2803A
75/100
8/12
50/500
-
-
TV2804
100
3
2
4 5 6
8 10
20
30
1
200
300
400
500
600
800
1000
2000
3000
4000
Q
(f=50 MHz)
Q=
1
2
f RSCT
TV2101
TV2801
REVERSE VOLTAGE
(V)
1
3
2
4
6
8
10
20
30
40
50
60
3
2
4 5 6
8 10
20
30
1
TOT
AL CAP
ACIT
ANCE (C
t)
(pF)
REVERSE VOLTAGE
(V)
TV2101
TV2801
Typical Performance
MicroMetrics, Inc. 136 Harvey Road, Building C, Londonderry, NH 03053
Voice: 603-641-3800, Fax: 603-641-3500, Internet: www.micrometrics.com, E-mail: serv@micrometrics.com
Maximum Ratings
Parameter
Symbol
Value
Units
Reverse Voltage
Vr
Same as Vbr
Volts
Forward Current
If
100
mA
Power Dissipation
Pd (25C)
250
mW
Operating Temperature
Top
-55 to + 150
C
Storage Temperature
Tstg
-65 to + 200
C
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