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부품번호 B3891
기능 SAW Components
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B3891 데이터시트, 핀배열, 회로
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SAW Components
Data Sheet B3891




B3891 pdf, 반도체, 판매, 대치품
SAW Components
B3891
Low-Loss Filter
71,0 MHz
Data Sheet
Characteristics (extended temperature range)
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = -40 .. +85 ˚C
ZS = 200 balanced and matching network
ZL = 200 balanced and matching network
Nominal frequency
min. typ. max.
fN — 71,0 — MHz
Minimum insertion attenuation
(including matching network)
αmin
6,5 8,5 dB
Passband width
αrel 1 dB
B1,0dB 250
Amplitude ripple (p-p)
fN ± 125 kHz
∆α
Absolute group delay (at fN)
τN 1,9
Group delay ripple (p-p)
fN ± 125 kHz
∆τ
Relative attenuation (relative to αmin)
fN ± 300 kHz ... fN ± 500
fN ± 500 kHz ... fN ± 700
fN ± 700 kHz ... fN ± 3
@ fN ± 800 kHz
fN ± 3 MHz ... fN ± 35
αrel
kHz
kHz
MHz
MHz
12
30
39
41
43
IM3 level
f1 = fN- 0,8 MHz, input power -14 dBm
f2 = fN- 1,6 MHz, input power -14 dBm
@fN
f1 = fN+ 0,8 MHz, input power -14 dBm
f2 = fN+1,6 MHz, input power -14 dBm
@fN
IM3
290
0,6
2,1
0,5
18
35
45
45
60
— kHz
± 1,5 dB
2,3 µs
1,5 µs
— dB
— dB
— dB
— dB
— dB
-95 dBm
-95 dBm
Temperature coefficient of frequency 1)
Turnover temperature
TCf
T0
– 0,036
25
1) Temperature dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA T0)2)
ppm/K2
˚C
4 Feb 24, 2005

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B3891 전자부품, 판매, 대치품
SAW Components
Low-Loss Filter
Data Sheet
B3891
71,0 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
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 24, 2005

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