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BB814 Datasheet(PDF) 2 Page - Siemens Semiconductor Group

Part No. BB814
Description  Silicon Variable Capacitance Diode (For FM radio tuners with extended frequency band High tuning ratio at low supply voltage (car radio)
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Maker  SIEMENS [Siemens Semiconductor Group]
Homepage  http://www.siemens.com/
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BB814 Datasheet(HTML) 2 Page - Siemens Semiconductor Group

   
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Semiconductor Group
2
BB 814
Electrical Characteristics
at TA = 25 ˚C, unless otherwise specified.
Parameter
Symbol
min.
typ.
Unit
Values
max.
Reverse current
VR = 16 V
VR = 16 V, TA = 60 ˚C
IR
nA
20
200
Diode capacitance
f = 1 MHz1)
VR =
2 V
VR =
8 V
CT
pF
43
19.1
44.75
20.8
46.5
22.7
Capacitance ratio
VR = 2 V, 8 V, f = 1 MHz
CT2
CT8
2.05
2.15
2.25
Capacitance matching
VR = 2 V, 8 V
CT
CT
%
––
3
1)
Capacitance groups, coded 1, 2
Code
CT (2 V)
CT (8 V)
1
43
… 45
19.1
… 21.95
2
44.5
… 46.5
19.75 … 22.7
DC Characteristics
Series resistance
VR = 2 V, f = 100 MHz
Q factor
VR = 2 V, f = 100 MHz
r
S
Q
0.18
200
pF
pF
Unit


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