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B7643 Datasheet, PDF (3/11 Pages) EPCOS – SAW Duplexer 1950 / 2140 MHz
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 TX - ANT
Center frequency
min. typ. max.
@ 25 ˚C
fC
— 1950.0
— MHz
Maximum insertion attenuation
αmax
1920.0 ... 1980.0 MHz
—
Amplitude ripple (p-p)
∆α
1920.0 ... 1980.0 MHz
—
Amplitude ripple (p-p)
over any 3.84 MHz within passband
∆αch
1920.0 ... 1980.0 MHz
—
Input VSWR (TX port)
1920.0 ... 1980.0 MHz
—
Output VSWR (ANT port)
1920.0 ... 1980.0 MHz
—
1.4
1.7 dB
0.4
0.7 dB
0.2
— dB
1.8
2.1
1.6
1.9
Attenuation
1.0
1570.0
1805.0
2110.0
2402.0
3840.0
5760.0
... 1570.0
... 1580.0
... 1880.0
... 2170.0
... 2480.0
... 3960.0
... 5940.0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
10
27
— dB
20
27
— dB
1
26
— dB
38
42
— dB
5
27
— dB
13
18
— dB
7
12
— dB
Please read cautions and warnings and
important notes at the end of this document.
3 July 06, 2006