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| China Electronics Technology Group Corporation No.26 Research Institute 79MHz SAW Filter 4MHz Bandwidth Part Number: LBS07903 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 35 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth 50 dB Bandwidth 55 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection(f015MHz) Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz MHz MHz MHz dB usec Minimum 78.9 3.85 60 Typical 79 30.5 3.86 4.03 4.63 4.67 4.7 4.72 4.75 0.7 4.1 62 0.08 25 Maximum 79.1 31.5 4.7 5 5.8 13.8 1.0 4.5 - 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 INPUT 50 C1 L1 L2 L1=L2=270nH OUTPUT 50 C2 Notes - Component values may change depending on board layout. C1=22pF C2=36pF Source/Load Impedance=50 ohm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBS07903 2007-3-14 1.0 Page 1/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 79MHz SAW Filter 4MHz Bandwidth Part Number: LBS07903 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 2,3,4,6 Package: DIP3512 Unit: mm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBS07903 2007-3-14 1.0 Page 2/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 79MHz SAW Filter 4MHz Bandwidth Part Number: LBS07903 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -20.4575 Passband Respond -28.9575 -29.4575 -29.9575 -30.4575 -30.9575 -31.4575 -31.9575 -30.4575 -40.4575 -50.4575 3dB CF = 79.0466MHz 1dB = 3.8607MHz 3dB = 4.0292MHz 40dB = 4.6679MHz Insert Loss = -30.4575dB Passband Ripple = 0.66571dB Ultimate Rejection = 49.2251dB Group Delay = 91.7631ns Phase Linearity = 3.5429deg Absolute Delay = 4143.3493ns -60.4575 Magnitude(dB) -70.4575 -80.4575 -90.4575 -100.4575 -110.4575 -32.4575 -32.9575 70 -120.4575 65 70 75 80 Frequency(MHz) 85 90 72 74 76 78 80 82 84 86 88 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f01.88MHz) Type Performance 4350 4300 4250 Group Delay Time(ns) 4 10 8 6 Phase Linearity(f01.88MHz) Type Performance 4200 4150 4100 4050 X: 80.88 Y: 4121 Degree(deg) X: 77.13 Y: 4169 X: 79 Y: 4152 2 0 -2 -4 -6 X: 77.13 Y: 0.427 X: 79 Y: 0.9482 X: 80.88 Y: 0.2089 4000 3950 75 -8 -10 75 76 77 78 79 80 Frequency(MHz) 81 82 83 76 77 78 79 80 Frequency(MHz) 81 82 83 Horizontal: 1MHz/Div Vertical: 50ns/Div Horizontal: 1MHz/Div Vertical: 2deg/Div Smith Chart S11 +j1.0 +j0.5 +j2.0 Smith Chart S22 +j1.0 +j0.5 +j2.0 +j0.2 +j5.0 +j0.2 +j5.0 0.2 0.5 1.0 2.0 5.0 0.2 0.5 1.0 2.0 5.0 0.0 0.0 -j0.2 -j5.0 -j0.2 -j5.0 -j0.5 -j1.0 -j2.0 -j0.5 -j1.0 -j2.0 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBS07903 2007-3-14 1.0 Page 3/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 79MHz SAW Filter 4MHz Bandwidth Part Number: LBS07903 www.sipatsaw.com SIPAT Co., Ltd. Maximum Ratings Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class C C V dBm [-40C;+85C] [-40C;+105C] 0 10 max 1 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBS07903 2007-3-14 1.0 Page 4/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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