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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz Low-loss SAW Filter 1.75MHz Bandwidth Part Number: LB140DS25 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Group delay VariationF0 0.8MHz Phase LinearityF0 0.8MHz Ultimate Rejection Absolute Delay Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz dB nsec degree dB Minimum 139.95 1.15 1.6 40 - Typical 140 13.8 1.21 1.75 3.6 0.4 40 1 42 1.5 Maximum 140.05 15 3.7 1 - usec KHz/C C 0.14 25 SMP-53 (13.3 x 6.5 mm Nominal Footprint) 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 L2 L1=100+10nH C1=47pF C2 L2=100nH C2=47pF C1 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. LB140DS25 2005-7-15 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 1.75MHz Bandwidth Part Number: LB140DS25 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 4 5 6 7 3 2 1 12 11 8 9 10 7 6 5 4 8 9 10 11 12 3 2 1 Input:11 Output:5 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LB140DS25 2005-7-15 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 1.75MHz Bandwidth Part Number: LB140DS25 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -11 Wideband Respond -23.8351 -12 -33.8351 -13 -43.8351 -14 -53.8351 -15 -63.8351 -16 -73.8351 -17 -83.8351 -18 -93.8351 132 134 136 138 140 142 144 146 148 1.385 1.39 1.395 Group delay VariationF0 0.8MHz Phase LinearityF0 0.8MHz 1.4 f scale=0 2MHz 1.405 1.41 1.415 8 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. LB140DS25 2005-7-15 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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