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| China Electronics Technology Group Corporation No.26 Research Institute 70MHz IF SAW Filter 5MHz Bandwidth Part Number: LBT7028S www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Group Delay Variation(f02MHz) Ultimate Rejection(f012MHz) Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz dB usec Minimum 69.9 4.7 5.4 - Typical 70 22.6 5.01 5.6 7.8 0.9 1.43 60 36 -1.26 25 SMD13.3*6.5C Maximum 70.1 25 8 1 150 - nsec dB KHz/C C 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 L1 L2 L1=180nH L2=82nH OUTPUT 50 Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT7028S 2008-01-17 1.1 Page 1/4 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz IF SAW Filter 5MHz Bandwidth Part Number: LBT7028S www.sipatsaw.com SIPAT Co., Ltd. Package Dimension +0.2 13.3-0.1 10 11 12 9 8 7 +0.2 6.5-0.1 1.560.1 SIPAT LBT7028S 07XX 1 2 3 4 6 5 0.76 0.4 0.79 1 1.5 2 3 4 5 6 12 11 10 2.54 9 8 7 1) 2) 3) 4) *: Pad Number 1 Index SIPAT: Manufacturer name LBT7028S: Part Number 07XX: Date Code Input Output Ground 11 5 All Others Package: SMD13.3*6.5C Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT7028S 2008-01-17 1.1 Page 2/4 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz IF SAW Filter 5MHz Bandwidth Part Number: LBT7028S www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance Passband Respond -21.5815 -22.5815 3dB CF = 69.9998MHz 1dB = 5.0051MHz 3dB = 5.5995MHz -22.0815 -32.5815 40dB = 7.4864MHz Insert Loss = -22.5815dB Passband Ripple = 0.93413dB Ultimate Rejection = 35.0421dB -22.5815 M agnitude(dB) -42.5815 Group Delay = 67.0768ns Phase Linearity = 3.5953deg Absolute Delay = 1427.2341ns -23.0815 -52.5815 -23.5815 -62.5815 -24.0815 -72.5815 -24.5815 -82.5815 55 60 65 70 Frequency(MHz) 75 80 85 -25.0815 62 64 66 68 70 72 74 76 78 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f02MHz) Type Performance 1700 Phase Linearity(f02MHz) Type Performance 8 6 1600 4 X: 68.01 Y: 1.425 X: 70 Y: 0.05888 X: 68.01 Y: 1415 X: 70 Y: 1409 X: 71.99 Y: 1431 2 1500 Group Delay Time(ns) 0 Degree(deg) X: 71.99 Y: -0.3449 1400 -2 -4 1300 -6 -8 1200 -10 1100 64 66 68 70 Frequency(MHz) 72 74 76 -12 64 66 68 70 Frequency(MHz) 72 74 76 Horizontal: 2MHz/Div Vertical: 100ns/Div Horizontal: 2MHz/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 0.0 5.0 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 ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT7028S 2008-01-17 1.1 Page 3/4 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz IF SAW Filter 5MHz Bandwidth Part Number: LBT7028S 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 ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT7028S 2008-01-17 1.1 Page 4/4 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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