SAW Components
SAW Duplexer
Data sheet
Characteristics
Operating temperature range:
Antenna terminating impedance:
RX terminating impedance:
TX terminating impedance:
B7642
1950.0 / 2140.0 MHz
T = –15 ˚C to +80 ˚C
ZANT=
ZRX =
ZTX =
50 Ω
50 Ω
50 Ω
Characterisitcs ANT - RX
Center frequency
min. typ. max.
@ 25 ˚C
fC
— 2140.0
— MHz
Maximum insertion attenuation
αmax
2110.0 ... 2115.0 MHz
—
2115.0 ... 2170.0 MHz
—
Amplitude ripple (p-p)
∆α
2110.0 ... 2170.0 MHz
—
2115.0 ... 2170.0 MHz
—
Amplitude ripple (p-p)
per 5 MHz-channel
∆αch
2110.0 ... 2115.0 MHz
—
2115.0 ... 2170.0 MHz
—
Input VSWR (ANT port)
2110.0 ... 2170.0 MHz
—
Output VSWR (RX port)
2110.0 ... 2170.0 MHz
—
2.4
3.2 dB
2.2
2.8 dB
0.9
1.7 dB
0.7
1.3 dB
0.5
0.7 dB
0.3
0.55 dB
1.7
2.0
2.0
2.4
Attenuation
0.3
1730.0
1920.0
2400.0
4030.0
4220.0
... 1730.0
... 1790.0
... 1980.0
... 2500.0
... 4150.0
... 4340.0
α
MHz
MHz
MHz
MHz
MHz
MHz
30
39
— dB
37
39
— dB
45
49
— dB
35
48
— dB
25
36
— dB
25
34
— dB
Please read cautions and warnings and
important notes at the end of this document.
4 March 17, 2006