847MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT84705 www.sipatsaw.com Features For RF SAW filter Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz - 847 - Insertion Loss(832~862MHz) dB - 2.8 3 Passband variation(832~862MHz) dB - 0.8 1.2 VSWR - - 1.6 2.0 DC～726MHz dB 40 48 - 726～791MHz dB 30 45 - 791～821MHz dB 30 38 - 884～1300MHz dB 27 43 - 1300～3000MHz dB 25 30 Ultimate Rejection Material Temperature coefficient KHz/°C -27.1 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C -45 - +85 Storage Temperature Range °C -45 - +85 DC Voltage V Input Power dBm ESD Class - 0 - - 23 1A SMD3.0*3.0 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 LBT84705 Rev. Date 2010-05-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 847MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT84705 www.sipatsaw.com Matching Configuration Source/Load Impedance=50 ohm OUTPUT 50Ω INPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 3.0 1.5 Pad Configuration: F E C D 3.0 B F A E B D C Input: B Output: E 0.6 1.6 A Ground: All Others 1.40MAX 0.85 Package: SMD3.0*3.0 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBT84705 Rev. Date 2010-05-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 847MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT84705 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Input return loss(f0±15MHz) Output return loss(f0±15MHz) Passband Response SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBT84705 Rev. Date 2010-05-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3