246MHz SAW Filter 0.1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS24602 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 245.95 246 246.05 Insertion Loss dB - 5.2 6.5 Passband Variation(f0±0.05MHz) dB - 0.1 - Group Delay Variation(f0±0.05MHz) µs - 1.4 3 f0-25～f0-1.6MHz dB 50 52 - f0-1.6～f0-0.6MHz dB 35 47 - f0-0.6～f0-0.4MHz dB 20 55 - f0+0.4～f0+0.6MHz dB 20 54 - f0+0.6～f0+1.6MHz dB 33 48 - f0+1.6～f0+25MHz dB 38 40 - Ultimate Rejection Material Temperature coefficient KHz/°C 0.25 Substrate Material - Qz Ambient Temperature °C 25 DC Voltage V 0 Input Power dBm ESD Class - - - 10 1C SMD5.0*5.0 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 LBS24602 Rev. Date 2011-05-20 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 246MHz SAW Filter 0.1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS24602 www.sipatsaw.com Matching Configuration L1=(100+56)nH INPUT 50 L1 Source/Load Impedance=50 ohm L2 2 L2=(100+15)nH OUTPUT 50 6 Notes - Component values may change depending on board layout. Package Dimension 5.00 0.15 8 Pad Configuration: 7 2 6 3 5 Input: 2 Output: 6 5.00 0.15 1 Ground: All Others 4 1.35 0.25 Marking Configuration: 1) •: Pad Number 1 Index 1.20 0.15 2) SIPAT: Manufacturer Name 8 6 2 5 3 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 1.27 0.10 1 2.08 0.15 2.54 0.10 7 3) 24602: Part Number 4 0.60 0.10 Package: SMD5.0*5.0 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBS24602 Rev. Date 2011-05-20 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 246MHz SAW Filter 0.1MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS24602 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance 4.7813 -3.7187 -5.2187 -4.2187 -15.2187 -4.7187 -5.2187 Amplitude ripple(dB) -35.2187 -45.2187 -55.2187 -5.7187 -6.2187 -65.2187 -6.7187 -75.2187 -7.2187 -85.2187 -95.2187 243.5 -7.7187 244 244.5 245 245.5 246 246.5 Frequency(MHz) Horizontal: 0.5MHz/Div 247 247.5 248 248.5 Vertical: 10dB/Div 245.85 245.9 245.95 246 246.05 Frequency(MHz) Horizontal: 0.05MHz/Div Group Delay Variation(f0±0.05MHz) 246.1 246.15 246.2 Vertical: 0.5dB/Div Phase Linearity(f0±0.05MHz) Type Performance Type Performance 10000 30 9000 20 8000 X: 245.9 Y: 6525 7000 10 X: 246.1 Y: 5806 6000 Degree(deg) Group Delay Time(ns) X: 246 Y: 5164 5000 4000 X: 245.9 Y: 2.459 X: 246.1 Y: 2.4 0 -10 3000 -20 2000 246 Frequency(MHz) 246.05 Horizontal: 0.05MHz/Div 246.1 -30 245.85 246.15 Vertical: 1000ns/Div 245.9 245.95 Horizontal: 0.05MHz/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 0.5 246.15 Vertical: 10deg/Div +j0.5 +j5.0 +j0.2 ∞ -j5.0 -j0.2 -j2.0 -j2.0 -j0.5 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 246.1 +j1.0 +j0.5 -j0.5 246.05 Smith Chart S22 +j1.0 0.0 246 Frequency(MHz) 5.0 245.95 2.0 245.9 1.0 1000 245.85 0.2 Magnitude(dB) -25.2187 Part Number LBS24602 Rev. Date 2011-05-20 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3