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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 1.28MHz Bandwidth Part Number: LBS14068 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 2 dB Bandwidth 30 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Phase Linearity Group Delay Variation Ultimate Rejection VSWR Subatrate Material Ambient Temperature Package Size C Quartz 25 DIP2712 (27.0x12.8x4.7mm3) Unit MHz dB MHz MHz MHz MHz MHz dB usec Minimum 139.95 Typical 140 17.8 Maximum 140.05 19.5 1.28 1.36 2.28 2.4 2.44 2.47 0.7 2.8 3.5 110 2.4 2.88 3.28 4.8 1 3.5 5 150 deg nsec dB 50 60 2.3 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=68nH C1=36pF L2=68nH C1=33pF C1 C2 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. LBS14068 2005-3-25 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 1.28MHz Bandwidth Part Number: LBS14068 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 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. LBS14068 2005-3-25 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 1.28MHz Bandwidth Part Number: LBS14068 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -17.8044 Passband Respond -14 -27.8044 -15 -37.8044 -16 -47.8044 -17 -57.8044 -18 -67.8044 -19 -77.8044 -20 -87.8044 -21 -97.8044 -22 136.8 137.6 138.4 139.2 140 140.8 141.6 142.4 143.2 1.39 1.395 1.4 1.405 1.41 1.415 x 10 8 Group Delay Variation(f0640kHz) Phase Linearity(f0640kHz) VSWR S11 VSWR S22 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS14068 2005-3-25 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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