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| China Electronics Technology Group Corporation No.26 Research Institute 240MHz SAW Filter 19MHz Bandwidth Part Number:LBT24004 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1.5 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth 50 dB Bandwidth Passband Variation (f09.375MHz) Absolute Delay Group Delay Variation(f09.375MHz) Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz dB usec Minimum 239.85 18.9 19.2 - Typical 240 29.4 19.1 19.4 20.8 20.97 0.8 2.67 50 Maximum 240.15 31.5 21.1 1.5 100 nsec dB KHz/C C 50 57 -4.32 25 - DIP3512 (35.0x12.8x4.7mm3) 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=10nH L2=15nH C2=22pF L1 L2 C1=15pF Source/Load Impedance=50 ohm C1 C2 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. LBT24004 2005-12-15 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 240MHz SAW Filter 19MHz Bandwidth Part Number:LBT24004 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 35.000.5 12.800.5 4.7 4.5 0.450.05 2.540.2 7.620.2 3 6 2 1 4 5 25.400.2 2.540.2 Input:1 Output:5 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBT24004 2005-12-15 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 240MHz SAW Filter 19MHz Bandwidth Part Number:LBT24004 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Passband Respond -29.3974 -25 -39.3974 -26 -27 -49.3974 -28 -59.3974 -29 -69.3974 -30 -79.3974 -31 -89.3974 -32 -99.3974 -33 -34 -109.3974 Group Delay Variation(f09.375MHz) 205 04 213 78 222 52 231 26 240 248 74 257 48 266 22 274 96 232 234 236 238 240 242 244 246 248 250 Phase Linearity(f09.375MHz) Smith Chart S11 Smith Chart S22 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBT24004 2005-12-15 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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