140MHz SAW Filter 28MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS37 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 - 140 - Insertion Loss dB - 17.8 22 Passband Variation(126~154MHz) dB - 0.6 2 129~151MHz deg - 3 5 126~154MHz deg - 3 7 Input/Output return loss(126~154MHz) dB 10 11.1/11.6 - Absolute Delay usec - 0.66 - 10~112MHz dB 35 44 - 168~198MHz dB 35 37 - 198~225MHz dB 30 55 - 225~250MHz dB 35 51 - Phase Linearity Ultimate Rejection Material Temperature coefficient KHz/°C -13.16 Substrate Material - YZ LN 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 SMD9.1*4.8 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 LB140DS37 Rev. Date 2008-11-04 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 140MHz SAW Filter 28MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS37 www.sipatsaw.com Matching Configuration L1 INPUT 50 L1=L2=100nH L2 R1 C1 OUTPUT 50 R2 C1=6.8pF C2=3.9pF R1=360Ω R2=510Ω Source/Load Impedance=50 ohm C2 Notes - Component values may change depending on board layout. Package Dimension 9.1 Pad Configuration: 9 6 7 SIPAT LB140DS37 XXYYZZ 10 Input: 9 Output: 4 Ground: All Others 4 3 2 1.2 1 5 4.8 8 1) •: Pad Number 1 Index 0.65±0.05 1.5 Marking Configuration: 2.54 2) SIPAT: Manufacturer Name 3) LB140DS37: Part Number 4) XXYY: Date(Year/month) 0.8 Package: SMD9148 1 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 3.2 4.8 2.54 5) ZZ: Identified Code Part Number LB140DS37 Rev. Date 2008-11-04 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 140MHz SAW Filter 28MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS37 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance -7.83 -16.33 -17.83 -16.83 -27.83 -17.33 -17.83 Amplitude ripple(dB) -47.83 -57.83 -67.83 -18.33 -18.83 -77.83 -19.33 -87.83 -19.83 -97.83 -107.83 40 -20.33 60 80 100 120 140 160 Frequency(MHz) Horizontal: 20MHz/Div 180 200 220 110 240 Vertical: 10dB/Div 120 130 140 Frequency(MHz) 150 Horizontal: 10MHz/Div Group Delay Variation(f0±14MHz) 160 170 Vertical: 0.5dB/Div Phase Linearity(f0±14MHz) Type Performance Type Performance 800 10 8 750 6 4 700 X: 154 Y: 1.043 2 X: 126 Y: 652.5 X: 154 Y: 657.1 X: 140 Y: 644.1 650 Degree(deg) Group Delay Time(ns) X: 140 Y: -0.2548 0 X: 126 Y: -1.283 -2 -4 600 -6 -8 550 -10 125 130 135 140 Frequency(MHz) 145 Horizontal: 5MHz/Div 150 155 160 -12 165 Vertical: 50ns/Div 115 120 125 130 +j2.0 160 165 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 155 Vertical: 2deg/Div +j0.5 +j5.0 +j0.2 0.5 150 +j1.0 +j0.5 ∞ -j5.0 -j0.2 -j2.0 -j0.5 -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 145 Smith Chart S22 +j1.0 -j0.5 140 Frequency(MHz) Horizontal: 5MHz/Div Smith Chart S11 0.0 135 5.0 120 2.0 115 1.0 500 0.2 Magnitude(dB) -37.83 Part Number LB140DS37 Rev. Date 2008-11-04 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3