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B4304 Datasheet(PDF) 3 Page - EPCOS

Part # B4304
Description  SAW Rx filter Automotive telematics
PDF  8 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B4304 Datasheet(HTML) 3 Page - EPCOS

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3
March 23, 2011
B4304
942.50 MHz
SAW Components
SAW Rx filter
Data sheet
Please read
cautions and warnings and
important notes at the end of this document.
Characteristics
Temperature range for specification:
T = -20 ˚C to +75 ˚C
Terminating source impedance:
ZS = 50 Ω (unbalanced)
Terminating load impedance:
ZL = 150 Ω || 100 nH (balanced)
min.
typ.
@ 25 ˚C
max.
Center frequency
fC
—
942.5
—
MHz
Maximum insertion attenuation
925.0
...
960.0
MHz
α
GSM
—
1.5
2.7
dB
@f
Carrier Bd 8 RX
927.4
...
957.6
MHz
α
WCDMA
1)
1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (4).
—
1.5
2.0
dB
Amplitude ripple (p-p)
925.0
...
960.0
MHz
∆α
—
0.9
2.1
dB
Error Vector Magnitude2)
2) Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
@f
Carrier Bd 8 RX
927.4
...
957.6
MHz
EVM
—
3.0
4.5
%
VSWR
Input
925.0
...
960.0
MHz
—
1.9
2.2
Output
925.0
...
960.0
MHz
—
1.9
2.2
CMRR (|S21-S31| / |S21+S31|)
925.0
...
960.0
MHz
203)
3) A CMRR of 19.6 dB corresponds to a phase imbalance of +10
˚ together with an amplitude im-
balance of +1.0 dB
25
—
dB
Attenuation
α
DC
...
480.0
MHz
45
53
—
dB
480.0
...
835.0
MHz
33
46
—
dB
835.0
...
880.0
MHz
30
34
—
dB
@f
Carrier Bd 8 TX
882.4
...
912.6
MHz
α
WCDMA
1)
30
34
—
dB
880.0
...
915.0
MHz
α
GSM
30
33
—
dB
915.0
...
922.0
MHz
1.0
2.5
—
dB
980.0
...
982.0
MHz
20
30
—
dB
982.0
... 1000.0
MHz
23
30
—
dB
1850.0
... 1920.0
MHz
40
47
—
dB
2775.0
... 2880.0
MHz
36
41
—
dB
3700.0
... 3840.0
MHz
38
50
—
dB
1000.0
... 1500.0
MHz
23
32
—
dB
1500.0
... 6000.0
MHz
23
34
—
dB



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