China Electronics Technology Group Corporation
No.26 Research Institute
400MHz SAW Filter
0.25MHz Bandwidth
Part Number: LBS40002
www.sipatsaw.com
SIPAT Co., Ltd.
Features
For RF SAW filter
Balanced and unbalanced operation possible
Ceramic Surface Mount Package
Small size
RoHS compliant (2002/95/EC), Pb-free
Specifications
Parameter
Center Frequency
Insertion Loss
incl.loss
excl.loss
Passband Variation(399.875
�½�
400.125MHz)
10
�½�
370MHz
370
�½�
390MHz
390
�½�
399MHz
399
�½�
399.3MHz
400.7
�½�
401MHz
Ultimate Rejection
401
�½�
408MHz
408
�½�
414MHz
414
�½�
468MHz
468
�½�
800MHz
800
�½�
1500MHz
1500
�½�
2500MHz
Impedance for pass band matching
1)
Input: Z
IN
=R
IN
||C
IN
Output: Z
OUT
=R
OUT
||C
OUT
Material Temperature coefficient
Substrate Material
Ambient Temperature
Operating Temperature Range
Storage Temperature Range
DC Voltage
Source Power
ESD Class
Package Size
Notes:
1.
Impedance for passband matching bases on an ideal,perfect matching of the SAW filter to source and to load imp
edance(here 50 Ohm).After removal of the SAW filter the input impedance of the input and output matching networ
Ω||pF
Ω||pF
KHz/°C
-
°C
°C
°C
V
dBm
-
-
-45
-45
-
-
380||2.2
380||2.2
0.4
Qz
25
-
-
6
-
1C
10
+125
+125
-
-
Unit
MHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Minimum
-
-
-
-
55
50
22
15
15
22
35
45
50
60
50
Typical
400
2.3
1.8
0.6
60
55
27
25
21
27
40
50
55
65
55
Maximum
-
3
2.5
3
-
-
-
-
-
-
-
-
-
-
-
SMD3.0*3.0
SIPAT Co., Ltd.
( CETC No.26 Research Institute )
#14 Nanping Huayuan Road,
Chongqing, China, 400060
Tel: +86-23-62808818
Part Number
Rev. Date
Ver.
LBS40002
2011-08-25
1.0
Page
1/4
Fax: +86-23-62808382
www.sipatsaw.com / sales@sipat.com
SIPAT [ SIPAT Co,Ltd ]
