SAW FILTER
HDBF44A3Dc SIP5Dc
3.2 Electrical Characteristics
Characteristics of channel 1 (switching input pin 2 connected to ground pin 3)
Source impedance
Load impedance
Zs=50Ω
ZL=2kΩ//3pF
Freq
TA=25℃
max
-
Item
min
-
typ
44.00
Center frequency
Insertion attenuation
Reference level
Fo
MHz
dB
44.06MHz
12.5
14.5
16.5
B1dB
B3dB
B30dB
-
-
-
1.6
1.8
2.7
42.0
38.0
30.0
39.0
-72
-
-
-
MHz
MHz
MHz
dB
dB
dB
Pass bandwidth
35.06~40.26MHz
35.0
30.0
22.0
32.0
40.26~42.56MHz
45.56~48.66MHz
48.66~55.06MHz
Sidelobe
dB
ppm/k
Temperature coefficient
Characteristics of channel 2 (switching input pin 2 connected to input pin 1)
Source impedance
Load impedance
Zs=50Ω
ZL=2kΩ//3pF
Freq
TA=25℃
max
-
Item
min
-
typ
44.00
Center frequency
Insertion attenuation
Reference level
Fo
MHz
dB
44.06MHz
13.0
15.0
17.0
B1dB
B3dB
B30dB
-
-
-
0.8
1.2
2.4
39.0
29.0
39.0
-72
-
-
-
MHz
MHz
MHz
dB
dB
dB
Pass bandwidth
35.06~42.66MHz
45.36~47.36MHz
47.36~55.06MHz
Temperature coefficient
31.0
21.0
31.0
Sidelobe
ppm/k
www.shoulder.cn Tel:0755-82916880 Fax:0755-82916881 E-mail:info@shoulder.cn
Page 5 of 10
SHOULDER [ SHOULDER ELECTRONICS LIMITED. ]
