140MHz SAW Filter 1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS50 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 139.85 140 140.15 Insertion Loss dB - 13 15 1 dB Bandwidth MHz - 1.14 - 3 dB Bandwidth MHz 1 1.77 - 40 dB Bandwidth MHz - 4.1 4.5 Passband Variation dB - 0.1 1 Absolute Delay usec - 1.26 - Ultimate Rejection dB 48 51 - Material Temperature coefficient KHz/°C 0.14 Substrate Material - Qz Ambient Temperature °C 25 DC Voltage V 0 Input Power dBm ESD Class - - - 10 1C SMD13.3*6.5 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 LB140DS50 Rev. Date 2010-12-13 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 140MHz SAW Filter 1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS50 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L1=150nH L2=(120+15)nH L2 OUTPUT 50Ω C1=C2=56pF Source/Load Impedance=50 ohm C2 C1 Notes - Component values may change depending on board layout. Package Dimension 13.3±0.2 9 8 SIPAT LB140DS50 XXYYZZ 11 12 1 2 3 Input: 11 7 Output: 5 6 6.5±0.2 10 Pad Configuration: 5 Ground: All Others 4 Marking Configuration: 1.61±0.2 7.62±0.15 12 2 3 3) LB140DS50: Part Number 4 4) XXYY: Date(Year/month) 5 1.5±0.15 11 6 10 9 8 7 5) ZZ: Identified Code 0.8±0.13 2.54±0.15 Package: SMD13.3*6.5 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 2) SIPAT: Manufacturer Name 2.54±0.15 1 1) •: Pad Number 1 Index Part Number LB140DS50 Rev. Date 2010-12-13 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 140MHz SAW Filter 1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS50 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -2.9732 -11.4732 -12.9732 -11.9732 -22.9732 -12.4732 -12.9732 A m plitude ripple(dB ) -42.9732 -52.9732 -62.9732 -13.4732 -13.9732 -72.9732 -14.4732 -82.9732 -14.9732 -92.9732 -102.9732 125 130 135 140 Frequency(MHz) Horizontal: 5MHz/Div 145 150 -15.4732 138 155 Vertical: 10dB/Div 138.5 139 139.5 140 Frequency(MHz) 140.5 Horizontal: 0.5MHz/Div Group Delay Variation(f0±0.5MHz) 141 141.5 142 Vertical: 0.5dB/Div Phase Linearity(f0±0.5MHz) Type Performance Type Performance 1700 10 8 1600 6 1500 4 1400 2 X: 139.5 Y: 1283 1300 X: 140.5 Y: 1273 Degree(deg) G roup Delay T im e(ns ) X: 140 Y: 1227 1200 0 X: 139.5 Y: 0.4744 X: 140.5 Y: 0.4906 X: 140 Y: -0.1667 -2 1100 -4 1000 -6 900 -8 140 Frequency(MHz) 140.5 Horizontal: 0.5MHz/Div 141 141.5 142 Vertical: 100ns/Div 138.5 139 139.5 ∞ 0.0 +j5.0 0.5 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 142 Vertical: 2deg/Div +j0.5 +j2.0 0.5 141.5 +j1.0 +j0.5 -j0.2 -j5.0 ∞ -j5.0 -j0.5 -j2.0 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 141 Smith Chart S22 +j1.0 -j0.5 140.5 Horizontal: 0.5MHz/Div Smith Chart S11 0.0 140 Frequency(MHz) 5.0 139.5 2.0 139 -10 138 1.0 138.5 5.0 800 138 0.2 Magnitude(dB) -32.9732 Part Number LB140DS50 Rev. Date 2010-12-13 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3