规格书编号
SPEC NO :
产品规格书
SPECIFICATION
CUSTOMER
客 户：
PRODUCT
产 品：
MODEL NO
型 号：
PREPARED
编 制：
APPROVED
批 准：
SAW FILTER
HDBF44A3Dc SIP5Dc
CHECKED
审 核：
D A T E
日 期：
2008-11-28
客户确认
CUSTOMER RECEIVED:
审核
CHECKED
批准
APPROVED
日期
DATE
无锡市½达电子有限公司
Shoulder Electronics Limited
www.shoulder.cn
Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 1 of 10
SAW FILTER
HDBF44A3Dc
SIP5Dc
更改历史记½
History Record
更改日期
Date
规格书编号
Spec. No.
产品型号
Part No.
客户产品型号
Customer No.
更改内容描述
Modify Content
备注
Remark
www.shoulder.cn
Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 2 of 10
SAW FILTER
1.SCOPE
HDBF44A3Dc
SIP5Dc
SHOULDER’s SAW filter series have broad line up products meeting all broadcast
standard including NTSC,PAL and SECAM systems. These filters are composed of two
interdigital transducers on a single-crystal. piezoelectrical chip. they are used in electronic
equipments such as TV and so on.
2.Construction
2.1 Dimension and materials
Manufacturer’s name : SHOULDERELECTRONICS Co. LTD(CHINA)
Type : BF44A3Dc
YY:year
WW:week
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Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 3 of 10
SAW FILTER
2.2. Circuit construction, measurement circuit
HDBF44A3Dc
SIP5Dc
3.Characteristics
Items
Standard
atmospheric
conditions
Conditions
Unless otherwise specified , the standard rang of
atmospheric conditions for making
measurements and tests is as follows;
Ambient temperature : 15℃ to 35℃
Relative humidity
: 25% to 85%
Air pressure
: 86kPa to 106kPa
Operating temperature rang is the rang of ambient
temperatures in which the filter can be
operated continuously. -10℃ ~ +60℃
Storage temperature rang is the rang of ambient
temperatures at which the filter can be stored
without damage.
Conditions are as specified elsewhere in these
specifications. -40℃ ~ +70℃
+25℃
Specifications
Operating
temperature rang
There shall be no
damage.
Storage
temperature rang
Reference
temperature
3.1 Maximum Rating
DC voltage
VDC
AC voltage
Vpp
www.shoulder.cn
Tel:0755-82916880
12
10
Fax:0755-82916881
V
V
Between any terminals
Between any terminals
Page 4 of 10
E-mail:info@shoulder.cn
SAW FILTER
3.2 Electrical Characteristics
HDBF44A3Dc
SIP5Dc
Characteristics of channel 1 (switching input pin 2 connected to ground pin 3)
Source impedance
Load impedance
Item
Center frequency
Insertion attenuation
Reference level
Zs=50Ω
Z
L
=2kΩ//3pF
Freq
Fo
44.06MHz
B
min
-
12.5
-
-
-
35.0
30.0
22.0
32.0
typ
44.00
14.5
1.6
1.8
2.7
42.0
38.0
30.0
39.0
-72
T
A
=25℃
max
-
MHz
16.5
-
-
-
dB
MHz
MHz
MHz
dB
dB
dB
dB
ppm/k
B
1dB
Pass bandwidth
B
3dB
B
30dB
35.06~40.26MHz
40.26~42.56MHz
Sidelobe
45.56~48.66MHz
48.66~55.06MHz
Temperature coefficient
B
B
Characteristics of channel 2 (switching input pin 2 connected to input pin 1)
Source impedance
Load impedance
Item
Center frequency
Insertion attenuation
Reference level
Zs=50Ω
Z
L
=2kΩ//3pF
Freq
Fo
44.06MHz
B
min
-
13.0
-
-
-
31.0
21.0
31.0
typ
44.00
15.0
0.8
1.2
2.4
39.0
29.0
39.0
-72
T
A
=25℃
max
-
MHz
17.0
-
-
-
dB
MHz
MHz
MHz
dB
dB
dB
ppm/k
B
1dB
Pass bandwidth
B
3dB
B
30dB
35.06~42.66MHz
Sidelobe
45.36~47.36MHz
47.36~55.06MHz
Temperature coefficient
B
B
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Tel:0755-82916880
Fax:0755-82916881
E-mail:info@shoulder.cn
Page 5 of 10
