233MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS23302 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 232.9 233 233.1 Insertion Loss dB - 23.6 25 1 dB Bandwidth MHz - 4.08 - 1.5 dB Bandwidth MHz 4 4.28 - 3 dB Bandwidth MHz - 4.68 - 40 dB Bandwidth MHz - 6.78 7 Passband Variation dB - 0.4 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 LBS23302 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 233MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS23302 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L2 OUTPUT 50Ω L1=56nH L2=47nH C1=18pF 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 LBS23302 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) LBS23302: 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 LBS23302 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 233MHz SAW Filter 4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS23302 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -13.5824 -22.0824 -23.5824 -22.5824 -33.5824 -23.0824 -23.5824 Amplitude ripple(dB) -53.5824 -63.5824 -73.5824 -24.0824 -24.5824 -83.5824 -25.0824 -93.5824 -25.5824 -103.5824 -113.5824 220 225 230 235 Frequency(MHz) Horizontal: 5MHz/Div 240 -26.0824 228 245 Vertical: 10dB/Div 229 230 231 232 233 Frequency(MHz) 234 Horizontal: 1MHz/Div Group Delay Variation(f0±2MHz) 235 236 237 238 Vertical: 0.5dB/Div Phase Linearity(f0±2MHz) Type Performance Type Performance 1600 15 1550 10 1500 5 X: 233 Y: 1429 1450 X: 233 Y: 1.668 X: 231 Y: 1409 X: 235 Y: 1399 Degree(deg) Group Delay Time(ns) 1400 X: 235 Y: 1.065 X: 231 Y: -0.03477 0 1350 -5 1300 -10 1250 232 233 Frequency(MHz) 234 Horizontal: 1MHz/Div 235 236 237 -15 228 238 Vertical: 50ns/Div 229 230 231 232 238 ∞ 0.0 +j5.0 0.5 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 237 Vertical: 5deg/Div +j0.5 +j2.0 0.5 236 +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 235 Smith Chart S22 +j1.0 -j0.5 234 Horizontal: 1MHz/Div Smith Chart S11 0.0 233 Frequency(MHz) 5.0 231 2.0 230 1.0 229 5.0 1200 228 0.2 Magnitude(dB) -43.5824 Part Number LBS23302 Rev. Date 2010-09-09 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3