295MHz SAW Filter 18.5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T29504 Part Number: LB LBT29504 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 294.8 295 295.2 Insertion Loss dB - 29 34 1dB Bandwidth MHz 18.5 18.62 3dB Bandwidth MHz 18.98 20dB Bandwidth MHz 19.98 45dB Bandwidth MHz 20.39 20.85 Passband Variation(f0±9MHz) dB - 0.7 1.2 Absolute Delay us - 2.24 Group Delay (f0±9MHz) nsec - 46 Ultimate Rejection dB 48 52 Material Temperature coefficient KHz/°C -5.31 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C 25 Storage Temperature Range °C -45 - +105 Input Power dBm - - 10 ESD Class - 100 1A DIP2012 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. Part Number LBT29504 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-10-19 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax:+86-23-62805284 +86-23-62808382 Fax: Page 1/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 295MHz SAW Filter 18.5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T29504 Part Number: LB LBT29504 www.sipatsaw.com Matching Configuration 手动测试座 L1=10nH L2=10nH C1=18pF C2=18pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 20.1 0.50 Pad Configuration Configuration:: 12.80 0.50 SIPAT LBT29504 XXYYZZ 1 Output: 5 Ground: All others 4.70 0.50 4.50 0.50 0.45 0.05 Input: Marking Configuration Configuration:: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LBT29504: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 2.50 0.20 5 6 1 7.62 0.50 4 3 2 12.70 0.50 2.50 0.20 Package: DIP2012 Unit: mm SIPAT Co., Ltd. Part Number LBT29504 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-10-19 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax:+86-23-62805284 +86-23-62808382 Fax: Page 2/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 295MHz SAW Filter 18.5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T29504 Part Number: LB LBT29504 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -26.454 -28.954 -26.954 -38.954 -27.454 -48.954 -27.954 Amplitude ripple(dB) -18.954 Magnitude(dB) -58.954 -68.954 -78.954 -88.954 -28.454 -28.954 -29.454 -29.954 -98.954 -30.454 -108.954 -30.954 -118.954 260 270 280 290 300 Frequency(MHz) Horizontal: 10MHz/Div 310 320 -31.454 330 Vertical: 10dB/Div 285 290 295 Frequency(MHz) 300 Horizontal: 5MHz/Div Group Delay Variation 305 Vertical: 0.5dB/Div Phase Linearity Type Performance Type Performance 20 2500 15 2400 5 X: 286 Degree(deg) Group Delay Time(ns) 10 2300 X: 304 Y: 2244 2200 Y: 2257 X: 286 Y: 0.2642 X: 304 Y: 3.369 0 2100 -5 2000 -10 -15 1900 -20 285 290 295 Frequency(MHz) Horizontal: 0.5MHz/Div 300 305 Vertical: 100ns/Div 285 290 295 Frequency(MHz) 300 Horizontal: 5MHz/Div S11 305 Vertical: 5deg/Div S22 +j1.0 +j1.0 +j0.5 +j0.5 +j2.0 +j2.0 +j0.2 5.0 2.0 1.0 0.5 5.0 2.0 1.0 0.5 0.2 0.0 0.0 +j5.0 +j5.0 0.2 +j0.2 -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 LBT29504 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-10-19 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax:+86-23-62805284 +86-23-62808382 Fax: Page 3/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected]