B7643 데이터 시트보기 (PDF) - EPCOS AG
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B7643 Datasheet PDF : 11 Pages
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SAW Components
SAW Duplexer
Data sheet
Characteristics
Operating temperature range:
Antenna terminating impedance:
TX terminating impedance:
RX terminating impedance:
B7643
1950 / 2140 MHz
T = –30 ˚C to +85 ˚C
ZANT=
ZTX =
ZRX =
50 Ω
50 Ω
50 Ω || 3.9 nH
Characterisitcs ANT - RX
Center frequency
min. typ. max.
@ 25 ˚C
fC
— 2140.0
— MHz
Maximum insertion attenuation
αmax
2110.0 ... 2170.0 MHz
—
Amplitude ripple (p-p)
∆α
2110.0 ... 2170.0 MHz
—
Amplitude ripple (p-p)
over any 3.84 MHz within passband
∆αch
2110.0 ... 2170.0 MHz
—
Input VSWR (ANT port)
2110.0 ... 2170.0 MHz
—
Output VSWR (RX port)
2110.0 ... 2170.0 MHz
—
2.1
2.5 dB
0.6
1.0 dB
0.2
— dB
1.6
1.9
1.8
2.2
Attenuation
1.0
200.0
1730.0
1790.0
1920.0
1980.0
2025.0
2050.0
2230.0
2255.0
2402.0
2480.0
4030.0
4150.0
4220.0
4340.0
... 200.0
... 1730.0
... 1790.0
... 1920.0
... 1980.0
... 2025.0
... 2050.0
... 2075.0
... 2255.0
... 2402.0
... 2480.0
... 4030.0
... 4150.0
... 4220.0
... 4340.0
... 6330.0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
28
90
— dB
6
38
— dB
20
39
— dB
25
41
— dB
46
50
— dB
20
46
— dB
8
46
— dB
2
28
— dB
2.5
46
— dB
8
46
— dB
18
53
— dB
18
40
— dB
25
39
— dB
18
39
— dB
25
38
— dB
18
31
— dB
Please read cautions and warnings and
important notes at the end of this document.
4 July 06, 2006
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