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| China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4MHz Bandwidth Part Number:LBT7045 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 Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz dB usec Minimum 69.94 3.69 50 Typical 70 26 3.7 3.93 4.78 4.87 0.6 3.77 56 -1.26 25 Maximum 70.06 30 4.96 1 - 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=100nH L2=270nH L3=120nH L4=180nH 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. LBT7045 2006-2-10 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 70MHz SAW Filter 4MHz Bandwidth Part Number:LBT7045 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. LBT7045 2006-2-10 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 70MHz SAW Filter 4MHz Bandwidth Part Number:LBT7045 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -26.1977 -22 Passband Respond -36.1977 -23 -46.1977 -24 -25 -56.1977 -26 -66.1977 -27 -76.1977 -28 -86.1977 -29 -96.1977 -30 -31 -106.1977 62 64 66 68 70 72 74 76 78 68 68.5 69 69.5 70 70.5 71 71.5 72 Group Delay Variation(f01.8MHz) Phase Linearity(f01.8MHz) 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. LBT7045 2006-2-10 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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