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 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)
per 5 MHz-channel
∆αch
1920.0 ... 1980.0 MHz
—
Input VSWR (TX port)
1920.0 ... 1980.0 MHz
—
Output VSWR (ANT port)
1920.0 ... 1980.0 MHz
—
1.6
2.0 dB
0.45 1.0 dB
0.25 0.5 dB
2.0
2.3
1.7
2.0
Attenuation
0.3
2110.0
2400.0
3840.0
... 1790.0
... 2170.0
... 2500.0
... 3960.0
α
MHz
MHz
MHz
MHz
30
32
— dB
40
45
— dB
25
31
— dB
20
23
— dB
Please read cautions and warnings and
important notes at the end of this document.
3 March 17, 2006