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| China Electronics Technology Group Corporation No.26 Research Institute 128.9MHz SAW Filter 4MHz Bandwidth Part Number: LBS12901 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay f02.35MHz f02.55MHz Ultimate Rejection f02.95MHz f06.95MHz Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz dB usec Minimum 128.8 3.8 35 45 50 55 Typical 128.9 24 3.73 3.92 4.63 4.69 0.6 3.78 48 50 57 62 0.13 25 Maximum 129 28 1.2 4 - dB dB dB dB KHz/C C 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 INPUT 50 C1 L2 OUTPUT 50 C2 L1=100nH L2=82nH C1=C2=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. LBS12901 2006-8-6 1.0 Page 1/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 128.9MHz SAW Filter 4MHz Bandwidth Part Number: LBS12901 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 Output Ground 1 5 2346 Package: DIP3512 Unit: mm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS12901 2006-8-6 1.0 Page 2/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 128.9MHz SAW Filter 4MHz Bandwidth Part Number: LBS12901 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -14.012 Passband Respond -21.5 -24.012 -22 -34.012 -22.5 -44.012 -23 -54.012 -23.5 -64.012 -24 -74.012 -24.5 -84.012 -25 -94.012 -25.5 -104.012 -26 118.9 120.9 122.9 124.9 126.9 128.9 130.9 132.9 134.9 136.9 138.9 -26.5 127 127.5 128 128.5 129 129.5 130 130.5 131 131.5 Group Delay Variation(f01.6MHz) Phase Linearity(f01.6MHz) 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. LBS12901 2006-8-6 1.0 Page 3/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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