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B9447 Datasheet(PDF) 3 Page - EPCOS

Part # B9447
Description  SAW filter Bluetooth
PDF  8 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B9447 Datasheet(HTML) 3 Page - EPCOS

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3
July 31, 2008
B9447
2441.75 MHz
SAW Components
SAW filter
Data sheet
Please read
cautions and warnings and
important notes at the end of this document.
Characteristics of Filter
Temperature range for specification:
T
= –30 ˚C to +85˚C
Terminating source impedance:
ZS =50 Ω || 5.6 nH
Terminating load impedance:
ZL = 100 Ω || 10 nH (balanced)
B9447
min.
typ.
@ 25 ˚C
max.
Center frequency
fC
—
2441.75
—
MHz
Maximum insertion attenuation
α
max
2400.0
... 2483.5
MHz
—
2.2
2.7
dB
Amplitude ripple (p-p)
∆α
2400.0
... 2483.5
MHz
—
0.5
1.1
dB
VSWR (Input)
2400.0
... 2483.5
MHz
—
1.6
2.0
VSWR (Output)
2400.0
... 2483.5
MHz
—
2.0
2.3
CMRR (|S21-S31| / |S21+S31|)
2400.0...
2483.5
MHz
181)
1) A phase balance of 10
˚ together with an amplitude balance of 1.8 dB correspond to a CMRR of 17.4 dB
22
—
dB
Attenuation
α
0.1
...
960.0
MHz
50
57
—
dB
960
... 1200.0
MHz
45
53
—
dB
1200.0
... 1570.0
MHz
40
45
—
dB
1570.0
... 1580.0
MHz
45
49
—
dB
1580.0
... 1710.0
MHz
40
45
—
dB
1710.0
... 1870.0
MHz
37
46
—
dB
1870.0
... 1906.0
MHz
282)
2) 1 narrow spike inside this frequency range with typical 32 dB and a typical bandwidth of 0.5MHz at 35 dB
32
—
dB
1906.0
... 1927.0
MHz
37
42
—
dB
1927.0
... 1964.0
MHz
323)
3) 1 narrow spike inside this frequency range with typical 36 dB and a typical bandwidth of 0.5MHz at 37 dB
36
—
dB
1964.0
... 1990.0
MHz
37
47
—
dB
1990.0
... 2110.0
MHz
37
44
—
dB
2110.0
... 2170.0
MHz
42
46
—
dB
2170.0
... 2200.0
MHz
37
47
—
dB
2200.0
... 2250.0
MHz
25
30
—
dB
2700.0
... 4000.0
MHz
30
35
—
dB
4000.0
... 6000.0
MHz
45
52
—
dB
7200.0
... 7500.0
MHz
40
50
—dB



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