140MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS39 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 - 16 18 Passband Variation(139.25~140.75MHz) dB - 0.5 1.2 Phase Linearity(139.25~140.75MHz) deg - 3 10 Group Delay Variation(139.25~140.75MHz) nsec - 60 180 Absolute Delay usec - 1.23 - 10~137MHz dB 40 53 - 143~280MHz dB 40 53 - Ultimate Rejection Material Temperature coefficient KHz/°C 0.14 Substrate Material - Qz 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 LB140DS39 Rev. Date 2008-10-10 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 140MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS39 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L1=150nH L2=(150+10)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 9.1 9 6 7 SIPAT LB140DS39 XXYYZZ 10 Input: 9 Output: 4 Ground: All Others 4 3 2 1.2 1 5 4.8 8 Pad Configuration: 1) •: Pad Number 1 Index 0.65±0.05 1.5 Marking Configuration: 2.54 2) SIPAT: Manufacturer Name 3) LB140DS39: 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 LB140DS39 Rev. Date 2008-10-10 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 140MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LB140DS39 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance -5.9849 -14.4849 -15.9849 -14.9849 -25.9849 -15.4849 -15.9849 Amplitude ripple(dB) -45.9849 -55.9849 -65.9849 -16.4849 -16.9849 -75.9849 -17.4849 -85.9849 -17.9849 -95.9849 -105.9849 125 -18.4849 130 135 140 Frequency(MHz) Horizontal: 5MHz/Div 145 150 155 Vertical: 10dB/Div 137 138 139 140 Frequency(MHz) Horizontal: 1MHz/Div Group Delay Variation(f0±0.8MHz) 141 142 143 Vertical: 0.5dB/Div Phase Linearity(f0±0.8MHz) Type Performance Type Performance 1600 15 1500 10 1400 5 1300 X: 139.2 Y: 1236 X: 139.2 Y: 0.4087 Degree(deg) X: 140.8 Y: 1232 1200 X: 140 Y: 1209 1100 X: 140.8 Y: 0.8085 X: 140 Y: 0.3831 0 -5 1000 -10 900 -15 140 Frequency(MHz) 141 Horizontal: 1MHz/Div 142 143 137 Vertical: 100ns/Div 138 139 Horizontal: 1MHz/Div Smith Chart S11 +j2.0 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 0.5 143 Vertical: 5deg/Div +j0.5 +j5.0 +j0.2 ∞ -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 142 +j1.0 +j0.5 -j0.5 141 Smith Chart S22 +j1.0 0.0 140 Frequency(MHz) 5.0 139 2.0 138 1.0 800 137 0.2 Group Delay Time(ns) Magnitude(dB) -35.9849 Part Number LB140DS39 Rev. Date 2008-10-10 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3