B1641 Просмотр технического описания (PDF) - EPCOS AG
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B1641 Datasheet PDF : 7 Pages
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SAW Components
SAW RF low loss filter
Datasheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
Nominal frequency
Insertion attenuation
at 1284.0 MHz
B1641
1284.0 MHz
T = +25 ˚C + 2˚C
ZS = 200 Ω and matching network
ZL = 75 Ω
min.
typ.
@ 25 ˚C
max.
fN
—
1284.0
—
α0
—
2.5
3.0
MHz
dB
Pass bandwidth
αrel < 1.0 dB
B1 dB
—
Amplitude ripple (p-p)
∆α
1259.8 ... 1308.1 MHz
—
55.8
—
MHz
0.8
1.0 dB
Group delay ripple (p-p)
∆τ
1265.0 ... 1302.9 MHz
—
7.0
14.0 ns
Relative attenuation (relative to α0 )
αrel
0.3 ... 862.0 MHz
55.0
60.0
—
dB
862.0 ... 1192.3 MHz
50.0
55.0
—
dB
1376.0 ... 1492.2 MHz
33.0
42.0
—
dB
1492.2 ... 2000.0 MHz
45.0
55.0
—
dB
2000.0 ... 3000.0 MHz
40.0
50.0
—
dB
3000.0 ... 3500.0 MHz
30.0
40.0
—
dB
Common Mode Rejection Ratio (CMRR)
1259.8 ... 1308.1 MHz
20.0
32.0
—
dB
Input VSWR
1259.8 ... 1308.1 MHz
—
2.1
2.3
Output VSWR
1259.8 ... 1308.1 MHz
—
2.1
2.3
Please read cautions and warnings and
important notes at the end of this document.
3 October 15, 2008
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