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B7680 Datasheet, PDF (4/12 Pages) EPCOS – SAW Duplexer WCDMA Band IV (AWS)
SAW Components
SAW Duplexer
Data Sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
RX terminating impedance:
TX terminating impedance:
B7680
1732.5 / 2132.5 MHz
T = –20 ˚C to +85 ˚C
ZANT= 50 Ω
ZRX = 100 Ω
ZTX = 50 Ω
Characterisitcs ANT - RX
Center frequency
min. typ. max.
@ 25 ˚C
fC
2132.5
MHz
Maximum insertion attenuation
@fcarrier2112.4 ... 2152.6
Amplitude ripple (p-p)
@fcarrier2112.4 ... 2152.6
Amplitude ripple (p-p)
per 5 MHz-channel
2110.0 ... 2155.0
Error Vector Magnitude
@fcarrier2112.4 ... 2152.6
MHz αWCDMA1)
MHz ∆αWCDMA1)
MHz ∆αch
MHz EVM2)
2.1
2.5 dB
0.3
1.0 dB
0.2
0.5 dB
0.5
2.0 %
Input VSWR (ANT port)
2110.0 ... 2155.0 MHz
1.6
2.0
Output VSWR (RX port)
2110.0 ... 2155.0 MHz
1.8
2.0
Output phase balance (φ(S31)−φ(S21)+180˚)
2110.0 ... 2155.0 MHz
-10
-7
10 degree
Output amplitude balance (|S31/S21|)
2110.0 ... 2155.0 MHz
-1.0
0.5
1.0 dB
IMD Product Level Limits
at fTX = 1732.5 MHz fRX = 2132.5 MHz3)
Blocker 1
400 MHz
Blocker 2
Blocker 3
Blocker 4
2 fTX +400 MHz
fTX -400 MHz
3 fTX + 400 MHz
-123
-112
-114
-125
-106
-106
-109
-109
dBm
dBm
dBm
dBm
1) Attenuation of WCDMA signal (“Powertransferfunction“). Please refer to annotation on page (6).
2) Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
3) Power levels: 21 dBm Tx signal, -15dBm blocker at antenna port.
Please read cautions and warnings and
important notes at the end of this document.
4 June 06, 2008