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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz Low-loss SAW Filter 4.5MHz Bandwidth Part Number: LB140DS23 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 35 dB Bandwidth Passband Variation Group delay Variation(80% of 3dB) Ultimate Rejection Absolute Delay Subatrate Material Ambient Temperature Package Size C SF26 Unit MHz dB MHz MHz MHz dB nsec dB Minimum 139.8 4.5 5 40 - Typical 140 11.1 5.1 5.98 8.9 0.4 70 45 0.869 Maximum 140.2 13 9.2 1 100 - usec 112LT 25 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=22nH L2=150nH L3=220nH L4=150nH 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. LB140DS23 2005-5-18 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 140MHz Low-loss SAW Filter 4.5MHz Bandwidth Part Number: LB140DS23 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. LB140DS23 2005-5-18 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 140MHz Low-loss SAW Filter 4.5MHz Bandwidth Part Number: LB140DS23 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type performance -11.2646 Wideband Respond Type performance -11.4536 -21.2646 -21.4536 -31.2646 -31.4536 -41.2646 -41.4536 Magnitude(dB) 128 131 134 137 140 143 Frequency(MHz) 146 149 152 Magnitude(dB) -51.2646 -51.4536 -61.2646 -61.4536 -71.2646 -71.4536 -81.2646 -81.4536 -91.2646 -91.4536 100.9 200.8 300.7 400.6 500.5 600.4 Frequency(MHz) 700.3 800.2 900.1 F0 2.5MHz Group delay Variation F0 2.5MHz Phase Linearity 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. LB140DS23 2005-5-18 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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