LBT84705

China Electronics Technology Group Corporation No.26 Research Institute 847MHz SAW Filter 30MHz Bandwidth Part Number: LBT84705 www.sipatsaw.com SIPAT Co., Ltd. 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 Center Frequency Insertion Loss(832~862MHz) Passband variation(832~862MHz) VSWR DC～726MHz 726～791MHz Ultimate Rejection 791～821MHz 884～1300MHz 1300～3000MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. All specifications are based on the test circuit shown; In production, all specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature; Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; This is the optimum impedance in order to achieve the performance show. Unit MHz dB dB dB dB dB dB dB KHz/°C °C °C °C V dBm - Minimum 40 30 30 27 25 Typical 847 2.8 0.8 1.6 48 45 38 43 30 -27.1 42LT 25 Maximum 3 1.2 2.0 - -45 -45 - 0 1A +85 +85 23 SMD3.0*3.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT84705 2010-05-06 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 847MHz SAW Filter 30MHz Bandwidth Part Number: LBT84705 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration Source/Load Impedance=50 ohm INPUT 50Ω OUTPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 3.0 A F F 3.0 E E D 0.85 1.40MAX A B C 0.6 1.6 1.5 Pad Configuration: Input: B Output: E Ground: All Others B C D 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 Rev. Date Ver. LBT84705 2010-05-06 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 847MHz SAW Filter 30MHz Bandwidth Part Number: LBT84705 www.sipatsaw.com SIPAT Co., Ltd. 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 Rev. Date Ver. LBT84705 2010-05-06 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com