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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 32.5MHz Bandwidth Part Number: LB140DS21 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Phase Linearity(f012.9MHz) Passband Variation Group delay variation (f012.9MHz) Ultimate Rejection Absolute delay Subatrate Material Ambient Temperature Package Size C Unit MHz dB MHz MHz MHz Minimum 139.75 31 32 40 - Typical 140 13.5 32.5 33.5 37.6 4 0.8 70 43 0.96 YZ 25 Maximum 140.25 15 40 6 1 100 - deg dB nsec dB usec SMD1365 (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=10+82nH L3=180nH L2=82+18nH L4=220nH 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. LB140DS21 2005-5-24 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 SAW Filter 32.5MHz Bandwidth Part Number: LB140DS21 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension Input :11 Output:5 Others:Grounded SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LB140DS21 2005-5-24 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 SAW Filter 32.5MHz Bandwidth Part Number: LB140DS21 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Passband Respond Type performance -10 -23.1863 -11 -33.1863 -12 -43.1863 Magnitude(dB) 100 110 120 130 140 150 160 170 180 -13 -53.1863 -14 -63.1863 -15 -73.1863 -16 -83.1863 -17 -93.1863 -18 Group delay variation(f012.9MHz) Phase Linearity(f012.9MHz) 125 130 135 140 145 150 155 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. LB140DS21 2005-5-24 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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