B7646 데이터 시트보기 (PDF) - EPCOS AG
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B7646 Datasheet PDF : 11 Pages
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SAW Components
SAW Duplexer
Data sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
TX terminating impedance:
RX terminating impedance:
B7646
1950 / 2140 MHz
T = –15 ˚C to +80 ˚C
ZANT=
ZTX =
ZRX =
50 Ω
50 Ω
50 Ω
Characterisitcs ANT - RX
Center frequency
min. typ. max.
@ 25 ˚C
fC
— 2140.0 — MHz
Maximum insertion attenuation
αmax
2110.0 ... 2170.0 MHz
—
2.2
2.51) dB
Amplitude ripple (p-p)
∆α
2110.0 ... 2170.0 MHz
—
0.4
1.0 dB
Amplitude ripple (p-p)
over any 5 MHz within passband
∆αch
2110.0 ... 2170.0 MHz
—
0.2
0.5 dB
Group delay variation
over any 5 MHz within passband
∆αch
2110.0 ... 2170.0 MHz
—
7
20 ns
Input VSWR (ANT port)
2110.0 ... 2170.0 MHz
—
1.6
2.0
Output VSWR (RX port)
2110.0 ... 2170.0 MHz
—
2.0
2.4
IMD Product Level Limits
at fTX = 1950 MHz fRX = 2140 MHz
Blocker 1
190.0 MHz
Blocker 2
1760.0 MHz
—
-130 -110 dBm
—
-104 -101 dBm
Blocker 3
4090.0 MHz
—
-116 -110 dBm
Attenuation
0.3
1730.0
1920.0
2015.0
2025.0
2050.0
2075.0
2400.0
3000.0
4030.0
4150.0
5000.0
... 1730.0
... 1790.0
... 1980.0
... 2025.0
... 2050.0
... 2075.0
... 2085.0
... 2500.0
... 4030.0
... 4150.0
... 5000.0
... 6000.0
α
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
38
44
— dB
38
45
— dB
50
54
— dB
40
52
— dB
25
42
— dB
8
23
— dB
3
6
— dB
40
58
— dB
30
41
— dB
30
40
— dB
30
40
— dB
15
25
— dB
1) 2.8 dB in ranges -30...-15oC and +80...+85oC
Please read cautions and warnings and
important notes at the end of this document.
4 October 10, 2007
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