144.8MHz IF SAW Filter 2.8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. S14502 Part Number: LB LBS14502 www. sipatsaw.com Features � For IF SAW filter � High attenuation � Single-ended operation � RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 144.7 144.8 144.9 Insertion Loss dB - 24.6 27 1.5dB Bandwidth MHz 2.8 2.90 - 45dB Bandwidth MHz - 3.94 4.1 （f0±2MHz） dB 40 45 - （f0±8.15MHz） dB 55 57 Passband Variation dB - 0.7 1.0 Absolute delay us - 2.99 - Group Delay Variation(f0±1.4MHz) nsec - 80 - Material Temperature coefficient KHz/°C Ultimate Rejection 0.14 Substrate Material 36QZ Ambient Temperature °C Operating Temperature Range °C -25 85 Storage Temperature Range °C -45 105 ESD Class - 25 1C Package Size DIP3512 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. Part Number LBS14502 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-07-23 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62805284 Fax: +86-23-62805284 Page 1/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 144.8MHz IF SAW Filter 2.8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. S14502 Part Number: LB LBS14502 www. sipatsaw.com Matching Configuration 手动测试座 L2=100 nH L1= L1=L2=100 L2=100nH C1=33pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 35.00 0.50 Pad Configuration Configuration:: 12.80 0.50 SIPAT LBS14502 XXYYZZ 1 Output 5 Ground All Others 4.70 0.50 4.50 0.50 0.45 0.05 Input Marking Configuration Configuration:: 1) SIPAT: Manufacturer Name 2) LBS14502: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 2.54 0.20 5 6 1 Package: DIP3512 7.62 0.50 4 3 2 25.40 0.50 2.54 0.20 Unit: mm SIPAT Co., Ltd. Part Number LBS14502 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-07-23 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62805284 Fax: +86-23-62805284 Page 2/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 144.8MHz IF SAW Filter 2.8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. S14502 Part Number: LB LBS14502 www. sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance -14.5622 -22.0622 -24.5622 -22.5622 -34.5622 -23.0622 -44.5622 -23.5622 Amplitude ripple(dB) Magnitude(dB) -54.5622 -64.5622 -74.5622 -84.5622 -24.0622 -24.5622 -25.0622 -25.5622 -94.5622 -26.0622 -104.5622 -26.5622 -114.5622 -27.0622 136 138 140 142 144 146 148 Frequency(MHz) Horizontal: 2MHz/Div 150 152 154 Vertical: 10dB/Div 142 143 144 145 Frequency(MHz) 146 Horizontal: 1MHz/Div Group Delay Variation 147 Vertical: 0.5dB/Div Phase Linearity Type Performance Type Performance 20 4500 15 4000 10 X: 143.4 Y: 2985 X: 144.8 Y: 2978 Degree(deg) Group Delay Time(ns) 3500 X: 146.2 Y: 2967 3000 5 0 X: 144.8 Y: -0.0888 X: 143.4 Y: -1.714 X: 146.2 Y: -0.4438 -5 2500 -10 2000 143 143.5 144 144.5 145 145.5 Frequency(MHz) Horizontal: 0.5MHz/Div 146 146.5 -15 147 Vertical: 500ns/Div 143 143.5 144 144.5 145 145.5 Frequency(MHz) Horizontal:0.5MHz/Div Smith Chart S11 146 146.5 Vertical: 5deg/Div Smith Chart S22 +j1.0 +j1.0 +j0.5 +j0.5 +j2.0 +j2.0 +j0.2 +j5.0 5.0 2.0 1.0 5.0 2.0 1.0 0.5 0.2 0.0 0.5 +j5.0 0.2 +j0.2 0.0 147 -j0.2 -j0.2 ∞ ∞ -j5.0 -j5.0 -j0.5 -j0.5 -j2.0 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. Part Number LBS14502 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-07-23 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62805284 Fax: +86-23-62805284 Page 3/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected]