SAW Components
SAW Rx filter
WCDMA/LTE Diversity
Band XI Rx
Series/Type:
Ordering code:
Date:
Version:
B9873
B39142B9873P810
August 17, 2012
2.0
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SAW Components
SAW Rx Filter
Data Sheet
Application
s
Low-loss RF filter for mobile telephone
B9873
1485.9 MHz
s
s
s
s
WCDMA/LTE Band XI systems (diversity) receive
path (Rx)
Unbalanced to balanced operation
Low amplitude ripple
Usable passband: 20 MHz
Impedance transformation from 50ohm to 100ohm
Features
s
s
s
s
s
s
s
Package size 1.1 x 0.9 x 0.4 mm
3
RoHS compatible
Approx. weight 0.001g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitive Level
(MSL) 3
0.18
0.18
2
3
0.25
0.25
0.5
bottom view
1
5
0.385
4
0.075
0.4
side view
top view
0.385
1.1
Pin configuration
s
1
s
3,4
s
2,5
Input, unbalanced
Output, balanced
Case-ground
1
0.9
0.075
4
2,5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
August 17, 2012
SAW Components
SAW Rx Filter
Data Sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –20 ˚C to +85 ˚C
Z
S
=
50
Ω
Z
L
= 100
Ω
(Balanced)
min.
Center frequency
Maximum insertion attenuation
1475.9 ... 1495.9
Amplitude ripple
(p-p)
1475.9 ... 1495.9
Input VSWR
1475.9 ... 1495.9
Output VSWR
1475.9 ... 1495.9
MHz
1.4
2.0
MHz
1.4
2.0
f
C
—
typ.
@ 25˚C
1485.9
B9873
1485.9 MHz
max.
—
MHz
MHz
MHz
1.9
0.4
2.4
1.0
dB
dB
Common Mode Rejection Ratio CMRR
1475.9 ... 1495.9 MHz
Attenuation
10.0 ... 1427.9
1427.9 ... 1447.9
1560.9 ... 6000.0
1)
23
1)
α
29
dB
MHz
MHz
MHz
40
46
40
50
50
45
dB
dB
dB
A combination of 10
o
phase balance and 1dB amplitude balance corresponds to 19.6 dB CMRR.
Please read
cautions and warnings and
important notes
at the end of this document.
3
August 17, 2012
SAW Components
SAW Rx Filter
Data Sheet
Transfer function
(narrowband)
B9873
1485.9 MHz
Transfer function
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
4
August 17, 2012
SAW Components
SAW Rx Filter
Data Sheet
Smith Charts
S
11
function
B9873
1485.9 MHz
S
22
function
Please read
cautions and warnings and
important notes
at the end of this document.
5
August 17, 2012
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