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| China Electronics Technology Group Corporation No.26 Research Institute 121.8MHz SAW Filter 7.8MHz Bandwidth Part Number: LBT12101 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 3 dB Bandwidth 30 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Group Delay Variation(f03.12MHz) Ultimate Rejection Subatrate Material Ambient Temperature Package Size C Unit MHz dB MHz MHz MHz dB usec nsec Minimum 121.72 Typical 121.8 24 Maximum 121.88 24.5 7.8 7.81 8.73 8.86 0.5 2.72 100 8.8 9.1 1 4 200 dB 40 45 112LT 25 DIP2712 (27.0x12.8x4.7mm3) 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 L2 L1=47nH L2=56nH C1 C2 C1=33pF 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. LBT12101 2005-3-29 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 121.8MHz SAW Filter 7.8MHz Bandwidth Part Number: LBT12101 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 27.000.5 12.800.5 4.7 4.5 0.450.05 2.540.2 7.620.2 3 6 2 1 4 5 17.700.2 2.540.2 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBT12101 2005-3-29 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 121.8MHz SAW Filter 7.8MHz Bandwidth Part Number: LBT12101 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -20 Passband Respond Type performance -33.8973 -21 -43.8973 -22 -53.8973 Magnitude(dB) -23 -24 -63.8973 -25 -73.8973 -26 -83.8973 -27 -93.8973 -28 -103.8973 109.8 112.8 115.8 118.8 121.8 124.8 127.8 130.8 133.8 116 118 120 122 Frequency(MHz) 124 126 128 Group Delay Variation(f03.12MHz) Phase Linearity(f03.12MHz) 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. LBT12101 2005-3-29 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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