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Part Name
Description
B39251-B3861-H510 View Datasheet(PDF) - EPCOS AG
Part Name
Description
Manufacturer
B39251-B3861-H510
SAW Components Bandpass Filter
EPCOS AG
B39251-B3861-H510 Datasheet PDF : 6 Pages
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SAW Components
Bandpass Filter
Data Sheet
B3861
250,0 MHz
Impedance
at f
N
(without matching)
Input: Z
IN
= R
IN
|| C
IN
Output: Z
OUT
= R
OUT
|| C
OUT
min.
typ.
max.
— 2,3 || 4,1 — k
Ω ||
pF
— 1,3 || 12,2 — k
Ω ||
pF
Temperature coefficient of frequency
2)
Turnover temperature
TC
f
—
T
0
—
– 0,036 — ppm/K
2
17
— ˚C
2)
Temperature dependance of
f
c
:
f
c
(
T
A
) =
f
c
(
T
0
)(1 +
TC
f
(
T
A
–
T
0
)
2
)
Matching network to 50
Ω
(element values depend on pcb layout)
Ls2
Ls5
L
C
p
p
1
1
Lp3
Lp4
Cp6
L
p1
= 27 nH
L
s2
= 120 nH
L
p3
= 100 nH
L
p4
= 33 nH
L
s5
= 120 nH
C
p6
= 2,7 pF
4
Sep 24, 2002
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