b39251-b3861-h510 EPCOS AG, b39251-b3861-h510 Datasheet - Page 4

• Manufacturer Part Number: b39251-b3861-h510
• Description: 250,0 Mhz Bandpass Filter
• Manufacturer: EPCOS AG

Data Sheet
Impedance at f
Temperature coefficient of frequency
Turnover temperature
Matching network to 50
2)
SAW Components
Bandpass Filter
Temperature dependance of f
Input:
Output: Z
N
(without matching)
L
L
L
Z
Lp1
p1
s2
p3
Cp1
IN
Ls2
OUT
= 27 nH
= 120 nH
= 100 nH
= R
= R
IN
OUT
(element values depend on pcb layout)
|| C
|| C
c
:
Lp3
IN
OUT
f
c
( T
2)
A
) = f
c
( T
0
4
)(1 + TC
TC
T
0
Sep 24, 2002
f
f
( T
min.
A
—
—
—
—
Lp4
– T
0
)
2
)
1,3 || 12,2
L
L
C
2,3 || 4,1
p4
s5
p6
– 0,036
typ.
17
= 120 nH
= 33 nH
= 2,7 pF
Ls5
max.
—
—
—
—
Cp6
250,0 MHz
B3861
k
k
ppm/K
˚C
pF
pF
2