LESHAN RADIO COMPANY, LTD.
VHF Variable Capacitance
Diode
FEATURES
路
Excellent linearity
路
Excellent matching to 0.7% DMA
路
Very small plastic SMD package
路
C28: 2.5 pF; ratio: 16.
路
Low series resistance.
APPLICATIONS
路
Electronic tuning in VHF television
tuners, band B up to 460 MHz
路
VCO.
DESCRIPTION
The BB133 is a variable capacitance
diode fabricated in planar technology, and
encapsulated in the SOD323 very small
plastic SMD package.
The excellent matching performance is
achieved by gliding matching and a direct
matching assembly procedure. The un-
matched type, BB150 has the same
specification.
1
BB133
2
SOD鈥?323
MARKING DIAGRAM
P3
1
CATHODE
2
ANODE
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V
R
I
F
T
stg
T
j
PARAMETER
continuous reverse voltage
continuous forward current
storage temperature
operating junction temperature
MIN.
鈥?/div>
鈥?/div>
鈥?5
鈥?5
MAX.
30
20
+150
+125
UNIT
V
mA
擄C
擄C
ELECTRICAL CHARACTERISTICS
T
j
= 25 擄C unless otherwise specified.
SYMBOL
I
R
r
s
C
d
C
d( 0.5V )
C
d (28V )
capacitance matching
鈭咰
d
C
d
Note
1. V
R
is the value at which C
d
= 30 pF.
V
R
= 0.5 to 28 V; in a sequence of 4 diodes
(gliding)
V
R
= 0.5 to 28 V; in a sequence of 15 diodes
(gliding)
鈥?/div>
2
%
鈥?/div>
0.7
%
PARAMETER
reverse current
diode series resistance
diode capacitance
capacitance ratio
CONDITIONS
V
R
= 30 V; see Fig.2
V
R
= 30 V; T
j
= 85 擄C; see Fig.2
f = 100 MHz; note 1
V
R
= 0.5 V; f = 1 MHz; see Figs 1 and 3
V
R
= 28 V;f = 1 MHz; see Figs 1 and 3
f = 1 MHz
MIN.
鈥?/div>
鈥?/div>
鈥?/div>
38
2.2
14
MAX. UNIT
10
200
0.9
46
2.6
21
nA
nA
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