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BB545 Datasheet, PDF (3/4 Pages) Siemens Semiconductor Group – Silicon Tuning Diode (For tuning UHF and VHF TV Tuners Large capacitance ratio, low series resistance)
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BB545 /BB565...
Diode capacitance CT = (VR)
f = 1MHz
22
pF
18
16
14
12
10
8
6
4
2
00
5
10
15
20
V
30
VR
Normalized diode capacitance
C(TA)/C(25°C)= (TA); f = 1MHz
VR = Parameter
1.08
-
1.04
1V
1.02
2V
25V
1
0.98
0.96-30 -10 10
30
50
70 °C
110
TA
Temperature coefficient of the diode
capacitance TCc =  (VR)
10 -3
1/°C
Reverse current IR =  (TA)
VR = 28V
10 4
pA
10 3
10 -4
10 2
10
-5
10
0
10 1
V
10 2
VR
10 1
-30 -10
10
30
50
70 °C 100
TA
3
Nov-07-2002
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