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B4846 데이터시트 PDF




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SAW Components
Data Sheet B4846




B4846 pdf, 반도체, 판매, 대치품
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = -20 to +75˚C
ZS = 860 Ω || −2,0pf
ZL = 860 Ω || −2,0pf
Nominal frequency
min.
typ.
fN — 225,00
B4846
225,0 MHz
max.
— MHz
Minimum insertion attenuation
αmin
(including loss in baluns and matching elements)
Amplitude ripple (p-p)
∆α
fN - 67,5 kHz ...
fN - 80,0 kHz ...
Group delay ripple (p-p)
fN + 67,5 kHz
fN + 80,0 kHz
∆τ
fN - 50,0 kHz ... fN + 50,0 kHz
fN - 67,5 kHz ... fN + 67,5 kHz
fN - 80,0 kHz ... fN + 80,0 kHz
Relative attenuation (relative to αmin)
fN - 15,00 MHz ... fN - 5,00 MHz
fN - 5,00 MHz ... fN - 2,00 MHz
fN - 2,00 MHz ... fN - 0,60 MHz
fN - 0,60 MHz ... fN - 0,40 MHz
fN - 0,40 MHz ... fN - 0,20 MHz
αrel
fN + 0,20 MHz
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 5,00 MHz
...
...
...
...
...
fN + 0,40 MHz
fN + 0,60 MHz
fN + 2,00 MHz
fN + 5,00 MHz
fN + 15,00 MHz
Impedance within the passband
Input: ZIN = RIN || CIN
Output: ZOUT = ROUT || COUT
Temperature coefficient of frequency 1)
Frequency inversion point
TCf
T0
3,0 3,9
— 0,7
— 0,8
— 0,2
— 0,4
— 0,7
42 45
43 46
35 37
26 29
5 13
5 11
26 29
35 37
43 47
42 45
— 860 || 2,0
860 || 2,0
— -0,036
— 25
1) Temperature dependence of fc: fc(T) = fc(T0)(1 + TCf(T T0)2)
5,0 dB
2,2 dB
3,2 dB
1,3 µs
1,6 µs
1,8 µs
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
— dB
|| pF
|| pF
— ppm/K2
— ˚C
4 Feb 03, 2005

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B4846 전자부품, 판매, 대치품
SAW Components
Low-Loss Filter for Mobile Communication
Data Sheet
B4846
225,0 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC PD
P.O. Box 80 17 09, 81617 Munich, GERMANY
© EPCOS AG 2005. Reproduction, publication and dissemination of this brochure and the informa-
tion contained therein without EPCOS’ prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of
the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic
Manufacturers’ Association), unless otherwise agreed.
This brochure replaces the previous edition.
For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or
the international Representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our Sales Offices.
7 Feb 03, 2005

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