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B7920 Datasheet(PDF) 6 Page - EPCOS

Part # B7920
Description  SAW Duplexer WCDMA / LTE Band XI
PDF  15 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B7920 Datasheet(HTML) 6 Page - EPCOS

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6
January 7, 2011
B7920
1437.90 / 1485.90 MHz
Please read
cautions and warnings and
important notes at the end of this document.
SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
T
= –20 ˚C to +85 ˚C
Antenna terminating impedance:
ZANT=50 Ω || 5.6 nH
RX terminating impedance:
ZRX = 100Ω
TX terminating impedance:
ZTX =50 Ω
Characterisitcs ANT - RX
min.
typ.
@ 25 ˚C
max.
Center frequency
fC
1485.9
MHz
Maximum insertion attenuation
1475.9
... 1485.9
MHz
2.0
2.5
dB
1485.9
... 1495.9
MHz
1.7
2.5
dB
Amplitude ripple (p-p)
1475.9
... 1495.9
MHz
0.4
1.0
dB
Input VSWR (ANT port)
1475.9
... 1495.9
MHz
1.5
2.0
Output VSWR (RX port)
1475.9
... 1495.9
MHz
1.4
2.0
Common Mode Rejection Ratio CMRR
1475.9
... 1495.9
MHz
201)
1) A combination of 10o phase balance and 1dB amplitude balance corresponds to 19.6 dB CMRR.
27
dB



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