China Electronics Technology Group Corporation No.26 Research Institute
138.625MHz SAW Filter 0.50MHz Bandwidth
Part Number: LBS13807
www.sipatsaw.com
SIPAT Co., Ltd.
Specifications
Parameter Center Frequency
Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Phase Linearity Group Delay Variation Ultimate Rejection f0±2.5MHz f0±20MHz Subatrate Material Ambient Temperature Package Size °C dB dB 37 40 41 45 Quartz 25 SF-26 -
Unit
MHz dB MHz MHz MHz dB usec
Minimum
138.585 0.5 -
Typical
138.625 9.5 0.53 0.86 1.98 0.3 1.88 1.8 80
Maximum
138.665 11 2.10 0.6 -
deg nsec
Notes:
1. All specifications are based on the test circuit shown 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over temperature 3. Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances 4. This is the optimum impedance in order to achieve the performance show
Matching Configuration
L1=82nH L3=33nH
L2=56nH C1=47pF
Source/Load Impedance=50 ohm
Notes - Component values may change depending on board layout.
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBS13807 2005-3-2 1.0 Page 1/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
138.625MHz SAW Filter 0.50MHz Bandwidth
Part Number: LBS13807
www.sipatsaw.com
SIPAT Co., Ltd.
Package Dimension
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBS13807 2005-3-2 1.0 Page 2/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
China Electronics Technology Group Corporation No.26 Research Institute
138.625MHz SAW Filter 0.50MHz Bandwidth
Part Number: LBS13807
www.sipatsaw.com
SIPAT Co., Ltd.
Typical Performance
Frequency Respond
-6
Passband Respond
Type performance
-19.5859
-7
-29.5859
-8
-9
-39.5859
Magnitude(dB)
-10
-49.5859
-11
-59.5859
-12
-13
-69.5859
-14
-79.5859 122.625 126.625 130.625 134.625 138.625 142.625 146.625 150.625 154.625
137.5
138
138.5 Frequency(MHz)
139
139.5
140
Group Delay Variation(f0±250kHz)
Phase Linearity(f0±250kHz)
Simth Chart
S11
Simth Chart
S22
SIPAT Co., Ltd.
( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060
Part Number Rev. Date Rev.
LBS13807 2005-3-2 1.0 Page 3/3
Phone: +86-23-62920684
Fax: +86-23-62805284
www.sipatsaw.com / sawmkt@sipat.com
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