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B7646 Datasheet(PDF) 3 Page - EPCOS

Part # B7646
Description  SAW Components
PDF  11 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B7646 Datasheet(HTML) 3 Page - EPCOS

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October 10, 2007
B7646
1950 / 2140 MHz
SAW Components
SAW Duplexer
Data sheet
Please read
cautions and warnings and
important notes at the end of this document.
Characteristics
Temperature range for specification:
T
= –15 ˚C to +80 ˚C
Antenna terminating impedance:
ZANT=50 Ω
TX terminating impedance:
ZTX =50 Ω
RX terminating impedance:
ZRX =50 Ω
Characterisitcs TX - ANT
min.
typ.
@ 25 ˚C
max.
Center frequency
fC
—
1950.0
—
MHz
Maximum insertion attenuation
α
max
1920.0
... 1980.0
MHz
—
1.6
2.01)
1) 2.1 dB in ranges -30...-15oC and +80...+85oC
dB
Amplitude ripple (p-p)
∆α
1920.0
... 1980.0
MHz
—
0.45
0.9
dB
Amplitude ripple (p-p)
over any 5 MHz within passband
∆α
ch
1920.0
... 1980.0
MHz
—
0.2
0.5
dB
Group delay variation
over any 5 MHz within passband
∆α
ch
1920.0
... 1980.0
MHz
—6
20
ns
Input VSWR (TX port)
1920.0
... 1980.0
MHz
—
1.5
1.8
Output VSWR (ANT port)
1920.0
... 1980.0
MHz
—
1.3
1.6
Attenuation
α
0.3
... 1000.0
MHz
30
40
—
dB
1000.0
... 1550.0
MHz
30
36
—
dB
1550.0
... 1600.0
MHz
35
36.5
—
dB
1730.0
... 1790.0
MHz
30
43
—
dB
2110.0
... 2155.0
MHz
43
47
—
dB
2155.0
... 2170.0
MHz
45
50
—
dB
2400.0
... 2500.0
MHz
25
32
—
dB
2500.0
... 3840.0
MHz
20
26
—
dB
3840.0
... 3960.0
MHz
25
41
—
dB
5760.0
... 6000.0
MHz
10
20
—
dB



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