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| China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4.75MHz Bandwidth Part Number: LBT70A01 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 3 dB Bandwidth 35 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth Passband Variation Ultimate Rejection(f015MHz) Absolute Delay Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz dB dB Minimum 69.95 Typical 70 26 Maximum 70.05 27 4.8 5.55 6.0 6.75 1.2 4.7 4.75 5.47 5.54 5.57 0.8 55 60 3.9 -1.26 25 4 usec KHz/C C DIP3512 (35.2x12.7x5.2mm3) 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 C1 C2 L1=120nH C1=82pF L2=120nH C2=56pF 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. SP LBT70A01 2005-7-22 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 4.75MHz Bandwidth Part Number: LBT70A01 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 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. SP LBT70A01 2005-7-22 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 4.75MHz Bandwidth Part Number: LBT70A01 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type performance -25.9512 -22 Passband Respond -35.9512 -23 -45.9512 -24 -55.9512 Magnitude(dB) -25 -65.9512 -26 -27 -75.9512 -28 -85.9512 -29 -95.9512 -30 -105.9512 -31 50 55 60 65 70 75 Frequency(MHz) 80 85 90 6.7 6.8 6.9 7 f scale=1MHz 7.1 7.2 7.3 7.4 x 10 7 Group delay VariationF02.2MHz Phase LinearityF02.2 MHz 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. SP LBT70A01 2005-7-22 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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