225MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS22502 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 224.9 225 225.1 Insertion Loss dB - 21.2 25 1 dB Bandwidth MHz - 4.13 - 1.5 dB Bandwidth MHz 4 4.33 - 3 dB Bandwidth MHz - 4.71 - 40 dB Bandwidth MHz - 6.78 7 Passband Variation dB - 0.6 1 Absolute Delay usec - 1.42 - Ultimate Rejection dB 45 48 - Material Temperature coefficient KHz/°C 0.23 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 LBS22502 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 225MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS22502 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L1=(47+5)nH L2 OUTPUT 50Ω C1=27pF L2=47nH C2=15pF Source/Load Impedance=50 ohm C2 C1 Notes - Component values may change depending on board layout. Package Dimension +0.2 13.3-0.1 Pad Configuration: Input: Output: 5 +0.2 6.5-0.1 SIPAT LBS22502 XXYYZZ 10 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 0.4 1.51 0.2 0.76 0.51 2) SIPAT: Manufacturer Name 1.02 0.13 3) LBS22502: Part Number 4) XXYY: Date(Year/month) 2.9 5) ZZ: Identified Code 0.6 1.905 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 Part Number LBS22502 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 225MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS22502 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -11.1945 -19.6945 -21.1945 -20.1945 -31.1945 -20.6945 -21.1945 Amplitude ripple(dB) -51.1945 -61.1945 -71.1945 -21.6945 -22.1945 -81.1945 -22.6945 -91.1945 -23.1945 -101.1945 -111.1945 210 215 220 225 230 Frequency(MHz) Horizontal: 5MHz/Div 235 -23.6945 220 240 Vertical: 10dB/Div 221 222 223 224 225 Frequency(MHz) 226 Horizontal: 1MHz/Div Group Delay Variation(f0±2MHz) 227 228 229 230 Vertical: 0.5dB/Div Phase Linearity(f0±2MHz) Type Performance Type Performance 1800 10 1700 1600 5 1500 X: 225 Y: 1432 X: 223 Y: 1413 X: 227 Y: 1416 Degree(deg) Group Delay Time(ns) 1400 1300 X: 225 Y: -0.8664 X: 223 Y: -1.209 0 X: 227 Y: 1.446 -5 1200 -10 1100 224 225 Frequency(MHz) 226 Horizontal: 1MHz/Div 227 228 229 -15 220 230 Vertical: 100ns/Div 221 222 223 224 230 ∞ 0.0 +j5.0 0.5 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 229 Vertical: 5deg/Div +j0.5 +j2.0 0.5 228 +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 227 Smith Chart S22 +j1.0 -j0.5 226 Horizontal: 1MHz/Div Smith Chart S11 0.0 225 Frequency(MHz) 5.0 223 2.0 222 1.0 221 5.0 1000 220 0.2 Magnitude(dB) -41.1945 Part Number LBS22502 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3