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HDVF45A1DC Datasheet, PDF (5/9 Pages) Shoulder Electronics Limited. – SAW FILTER
SAW FILTER
3.1 Maximum Rating
DC voltage VDC
12
V
3.2 Electrical Characteristics
Source impedance
Zs=50Ω
Load impedance
ZL=2kΩ//3pF
Item
Freq
min
Insertion attenuation 44.06MHz 10.0
Reference level
45.81MHz 4.4
42.23MHz 0.7
Relative attenuation 41.31MHz 25.0
39.81MHz 42.0
47.31MHz 40.0
35.06~39.81MHz
36.0
Sidelobe
47.31~55.06MHz
35.0
Reflected wave signal suppression
1.1 us … 6.0 us after main pulse
(test pulse 250 ns ,
40.0
carrier frequency 44.06 MHz)
Feedthrough signal suppression
1.2 us … 1.1 us after main pulse
(test pulse 250 ns ,
45.0
carrier frequency 44.06 MHz)
Group delay ripple (p-p)
-
Temperature coefficient of frequency
HDVF45A1Dc SIP5Dc
Between any terminals
TA=25℃
typ
max
12.0 14.0
dB
5.9
7.4
dB
2.2
3.7
dB
35.0
-
dB
55.0
-
dB
51.0
-
dB
42.0
-
dB
40.0
-
dB
52.0
dB
55.0
dB
50
-
ns
-72
Ppm/k
3.3 Environmental Performance Characteristics
Item
Condition
High
The specimen shall be store at a temperature of
temperature 80±2℃ for 96±4h. Then it shall be subjected to
standard atmospheric conditions for 1h, after
which measurement shall be made within 1h.
Low
The specimen shall be store at a temperature of
temperature -20±3℃ for 96±4h. Then it shall be subjected to
standard atmospheric conditions for 1h, after
which measurement shall be made within 1h.
Humidity
The specimen shall be store at a temperature of
40±2℃ with relative humidity of 90% to 96%
Specifications
Mechanical
characteristics and
specifications in
electrical
characteristics shall
be satisfied. There
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