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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 28MHz Bandwidth Part Number: LB140DS37 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(126~154MHz) Phase Linearity 129~151MHz 126~154MHz Unit MHz dB dB deg deg dB usec dB dB dB dB KHz/C C C C V dBm - Minimum 10 35 35 30 35 Typical 140 17.8 0.6 3 3 11.1/11.6 0.66 44 37 55 51 -13.16 YZ LN 25 Maximum 22 2 5 7 - Input/Output return loss(126~154MHz) Absolute Delay 10~112MHz Ultimate Rejection 168~198MHz 198~225MHz 225~250MHz 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 SMD9.1*4.8 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. LB140DS37 2008-11-04 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 28MHz Bandwidth Part Number: LB140DS37 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 L2 L1=L2=100nH OUTPUT 50 C2 INPUT 50 C1 C1=6.8pF R1=360 C2=3.9pF R2=510 R1 R2 Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 9.1 Pad Configuration: 8 9 10 1 1.2 7 6 5 4.8 4 Input: Output: 9 4 SIPAT LB140DS37 XXYYZZ 2 3 Ground: All Others Marking Configuration: 0.650.05 1) *: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LB140DS37: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 1.5 2.54 2.54 0.8 1 4.8 Package: SMD9148 Unit: mm 3.2 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LB140DS37 2008-11-04 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 28MHz Bandwidth Part Number: LB140DS37 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -7.83 -17.83 -27.83 -17.33 -16.33 Passband Respond Type Performance -16.83 -37.83 Magnitude(dB) Amplitude ripple(dB) -47.83 -57.83 -67.83 -77.83 -17.83 -18.33 -18.83 -19.33 -87.83 -97.83 -107.83 40 -19.83 -20.33 60 80 100 120 140 160 Frequency(MHz) 180 200 220 240 110 120 130 140 Frequency(MHz) 150 160 170 Horizontal: 20MHz/Div Vertical: 10dB/Div Horizontal: 10MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f014MHz) Type Performance 800 10 Phase Linearity(f014MHz) Type Performance 8 750 6 4 700 2 Group Delay Time(ns) X: 126 Y: 652.5 X: 154 Y: 657.1 X: 140 Y: -0.2548 X: 154 Y: 1.043 Degree(deg) 650 X: 140 Y: 644.1 0 X: 126 Y: -1.283 -2 -4 600 -6 550 -8 -10 500 115 120 125 130 135 140 Frequency(MHz) 145 150 155 160 165 -12 115 120 125 130 135 140 Frequency(MHz) 145 150 155 160 165 Horizontal: 5MHz/Div Vertical: 50ns/Div Horizontal: 5MHz/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. LB140DS37 2008-11-04 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com |
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