SAW FILTER
HDBF44A8Dc SIP5Dc
3.1 Maximum Rating
DC voltage
AC voltage
VDC
Vpp
12
10
V
V
Between any terminals
Between any terminals
3.2 Electrical Characteristics
Source impedance
Load impedance
Zs=50Ω
ZL=2kΩ//3pF and matching network TA=25℃
Item
Freq
Fo
min
-
typ
44.00
max
-
Center frequency
Insertion attenuation
Reference level
MHz
dB
44.00MHz
25.0
27.0
0.5
29.0
Amplitude ripple (p-p)
dB
41.60 ... 46.40 MHz
40.75MHz
41.31MHz
41.43MHz
41.60MHz
46.40MHz
25.0
0.6
32.0
1.6
0.3
0.1
0.1
-
dB
dB
dB
dB
dB
2.6
1.5
0.8
0.8
-0.9
-0.7
-0.7
Relative attenuation
46.57MHz
46.69MHz
47.25MHz
-0.7
0.8
0.6
2.0
36
40.0
32.0
30.0
37.0
-18
1.5
3.2
-
-
-
dB
dB
dB
dB
dB
dB
dB
ppm/k
25.0
32.0
26.0
24.0
30.0
35.00~39.10MHz
39.10~40.35MHz
47.65~48.65MHz
48.65~55.00MHz
Sidelobe
Temperature coefficient
3.3 Environmental Performance Characteristics
Item
High
temperature
Condition
Specifications
The specimen shall be store at a temperature of
80±2℃ for 96±4h. Then it shall be subjected to
standard atmospheric conditions for 1h, after
which measurement shall be made within 1h.
The specimen shall be store at a temperature of
-20±3℃ for 96±4h. Then it shall be subjected to
standard atmospheric conditions for 1h, after
which measurement shall be made within 1h.
The specimen shall be store at a temperature of
40±2℃ with relative humidity of 90% to 96%
Mechanical
characteristics and
specifications
electrical
characteristics shall
be satisfied. There
Low
temperature
in
Humidity
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