SAW Components
Bandpass Filter
Data Sheet
Characteristics
Reference temperature:
Terminating source impedance:
Terminating load impedance:
X 6959 D
44,00 MHz
T
A
= 25 ˚C
Z
S
= 50
Ω
Z
L
= 2 kΩ || 3 pF
min.
—
typ.
44,00
max.
—
Center frequency
(center between 10 dB points)
Insertion attenuation
Reference level for the
following data
Pass bandwith
α
rel
≤
3 dB
α
rel
≤
6 dB
α
rel
≤
30 dB
Relative attenuation
Lower sidelobe
35,00 ... 41,30 MHz
41,30 ... 42,30 MHz
Upper sidelobe
45,80 ... 47,20 MHz
47,20 ... 55,00 MHz
f
C
MHz
α
44,00 MHz
13,3
14,8
16,3
dB
B
3dB
B
6dB
B
30dB
α
rel
—
—
—
1,7
2,0
2,9
—
—
—
MHz
MHz
MHz
38,0
36,0
33,0
39,0
43,0
43,0
39,0
45,0
—
—
—
—
dB
dB
dB
dB
Group delay ripple
(p-p)
∆τ
Aperture 50 kHz
43,00 ... 45,00 MHz
Impedance
at 44,00 MHz
Input:
Z
IN
=
R
IN
||
C
IN
Output:
Z
OUT
=
R
OUT
||
C
OUT
Temperature coefficient of frequency
—
—
—
—
40
1,8 ||12,8
0,9 || 3,8
–72
—
—
—
—
ns
kΩ || pF
kΩ || pF
ppm/K
TC
f
3
Mar 04, 2005
EPCOS [ EPCOS ]
