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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 2MHz Bandwidth Part Number: LB140DS31 www. sipatsaw.com SIPAT Co., Ltd. Features For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss Passband Variation(139.2140.8MHz) Phase Linearity(139.2140.8MHz) Group Delay Variation(139.2140.8MHz) Absolute Delay Ultimate Rejection 10137MHz 143280MHz Unit MHz dB dB deg nsec usec dB dB KHz/C C C C V dBm - Minimum 40 40 Typical 140 15.6 0.2 3 70 1.23 52 49 0.14 Qz 25 Maximum 16 1.2 10 180 - Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. -40 -45 0 +85 +105 - 1A 10 SMD13.3*6.5C All specifications are based on the test circuit shown; In production, all specifications are measured by Agilent Network analyzer and full 2 port calibration at room 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. SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LB140DS31 2008-03-07 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 2MHz Bandwidth Part Number: LB140DS31 www. sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 L2 L1=120nH L2=(150+18)nH OUTPUT 50 C1 Notes - Component values may change depending on board layout. INPUT 50 L3 L1=27nH C1=56pF Source/Load Impedance=50 ohm Package Dimension +0.2 13.3-0.1 Pad Configuration: 7 +0.2 6.5-0.1 10 11 12 9 8 Input 6 5 11 5 SIPAT LB140DS31 08XX 3 4 Output Ground All Others Marking Configuration: 1.56 0.1 0.76 0.4 0.79 1) *: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LB140DS31: Part Number 4) 08XX: Date Code 5 6 1 1.5 2 3 4 12 11 10 2.54 9 8 7 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. LB140DS31 2008-03-07 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 2MHz Bandwidth Part Number: LB140DS31 www. sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -5.5814 -15.5814 -25.5814 -15.0814 -14.0814 Passband Respond -14.5814 -35.5814 Magnitude(dB) -45.5814 -55.5814 -65.5814 -75.5814 -17.0814 -15.5814 -16.0814 -16.5814 -85.5814 -95.5814 -105.5814 130 -17.5814 132 134 136 138 140 142 Frequency(MHz) 144 146 148 150 137.5 138 138.5 139 139.5 140 140.5 141 141.5 142 142.5 Horizontal: 2MHz/Div Vertical: 10dB/Div Horizontal: 0.5MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f00.8MHz) Type Performance 1500 10 Phase Linearity(f00.8MHz) Type Performance 8 1400 6 4 1300 2 Group Delay Time(ns) X: 139.2 Y: 1227 X: 140.8 Y: 1230 X: 139.2 Y: 0.6625 X: 140.8 Y: 0.008987 Degree(deg) 0 X: 140 Y: -0.2507 1200 X: 140 Y: 1192 -2 -4 1100 -6 1000 -8 -10 900 136 137 138 139 140 Frequency(MHz) 141 142 143 144 -12 136 137 138 139 140 Frequency(MHz) 141 142 143 144 Horizontal: 1MHz/Div Vertical: 100ns/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 0.0 5.0 0.2 0.5 1.0 2.0 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. LB140DS31 2008-03-07 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com |
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