140MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS34 www.sipatsaw.com Features For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 139.8 140 140.2 Insertion Loss dB - 12.4 16 1 dB Bandwidth MHz 1.9 2 2.2 3 dB Bandwidth MHz 2.8 2.92 3.2 30 dB Bandwidth MHz - 5.81 6 Passband Variation dB - 0.2 0.8 Absolute Delay usec - 1.17 - Group Delay Variation(f0±1MHz) nsec - 50 100 Ultimate Rejection dB 30 33 - Material Temperature coefficient KHz/°C -2.52 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V Input Power dBm ESD Class - 0 - - 10 1A SMD13.3*6.5A Package Size Notes: 1. All specifications are based on the test circuit shown; 2. 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 LB140DS34 Rev. Date 2008-07-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 140MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS34 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L1=L2=39nH L2 OUTPUT 50Ω C1=C2=47pF Source/Load Impedance=50 ohm C2 C1 Notes - Component values may change depending on board layout. Package Dimension +0.2 13.3-0.1 Pad Configuration: Input: Output: 5 +0.2 6.5-0.1 SIPAT LB140DS34 XXYYZZ 10 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 0.4 1.56 0.1 0.76 0.51 2) SIPAT: Manufacturer Name 1.02 3) LB140DS34: Part Number 4) XXYY: Date(Year/month) 2.9 5) ZZ: Identified Code 0.6 1.91 Package: SMD13.3*6.5A Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LB140DS34 Rev. Date 2008-07-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 140MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS34 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance -2.3877 -10.8877 -12.3877 -11.3877 -22.3877 -11.8877 -12.3877 Amplitude ripple(dB) -42.3877 -52.3877 -62.3877 -12.8877 -13.3877 -72.3877 -13.8877 -82.3877 -14.3877 -92.3877 -102.3877 115 -14.8877 120 125 130 135 140 145 Frequency(MHz) Horizontal: 5MHz/Div 150 155 160 165 Vertical: 10dB/Div 137 138 139 140 Frequency(MHz) 141 Horizontal: 1MHz/Div Group Delay Variation(f0±1MHz) 142 143 144 Vertical: 0.5dB/Div Phase Linearity(f0±1MHz) Type Performance Type Performance 1500 8 6 1400 4 1300 2 X: 141 Y: 0.7768 X: 139 Y: 0.6323 X: 140 Y: 1181 X: 139 Y: 1179 1200 X: 141 Y: 1152 Degree(deg) Group Delay Time(ns) 1100 X: 140 Y: -0.3526 0 -2 -4 1000 -6 900 -8 140 Frequency(MHz) 141 Horizontal: 1MHz/Div 142 143 Vertical: 100ns/Div 138 139 +j2.0 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 Vertical: 2deg/Div +j0.5 +j5.0 +j0.2 0.5 143 +j1.0 +j0.5 ∞ -j5.0 -j0.2 -j2.0 -j2.0 -j0.5 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 142 Smith Chart S22 +j1.0 -j0.5 141 Horizontal: 1MHz/Div Smith Chart S11 0.0 140 Frequency(MHz) 5.0 139 2.0 138 -10 137 1.0 800 137 0.2 Magnitude(dB) -32.3877 Part Number LB140DS34 Rev. Date 2008-07-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3