837MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT83703 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 - 836.5 - Insertion Loss(824~849MHz) dB - 2.5 3.5 1.5 dB Bandwidth MHz 25 29.57 - 3 dB Bandwidth MHz 34.8 35.25 - Passband variation(824~849MHz) dB - 0.6 1.5 DC～800MHz dB 40 50 - 869～925MHz dB 28 31 - 925～2000MHz dB 35 37 - Ultimate Rejection Material Temperature coefficient KHz/°C -26.78 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V Input Power dBm ESD Class - 0 - - 10 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 LBT83703 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 837MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT83703 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 3.00±0.10 Pad Configuration: 6 1 3 5 3.00±0.10 83703 XXYY 2 Input: Output: 5 Ground: All Others 1.50MAX 4 Marking Configuration: 0.9±0.08 1) •: Pad Number 1 Index 2) 83703: Part Number 1.50 6 1 5 2 4 3 1.30 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 3) XXYY: Date(Year/month) 0.60 1.60 2 Part Number LBT83703 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 837MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT83703 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance 8.5569 0.0569 -1.4431 -0.4431 -11.4431 -0.9431 -1.4431 A m plitude ripple(dB ) -31.4431 -41.4431 -51.4431 -1.9431 -2.4431 -61.4431 -2.9431 -71.4431 -3.4431 -81.4431 -91.4431 740 760 780 800 820 840 860 Frequency(MHz) Horizontal: 20MHz/Div 880 900 -3.9431 920 Vertical: 10dB/Div 800 810 820 830 850 860 870 Vertical: 0.5dB/Div Phase Linearity(f0±12.5MHz) Type Performance Type Performance 140 50 120 40 100 30 80 20 X: 824 Y: 49.82 D egree(deg) 40 X: 836.5 Y: 33.7 -10 0 -20 -20 -30 -40 -40 -60 -50 820 830 840 850 -60 860 810 820 830 Frequency(MHz) Horizontal: 10MHz/Div Vertical: 20ns/Div Horizontal: 10MHz/Div Smith Chart S11 -j0.2 -j5.0 -j0.5 0.5 0.0 ∞ +j5.0 0.2 5.0 2.0 1.0 -j0.2 +j2.0 +j0.2 +j5.0 0.5 Vertical: 10deg/Div +j0.5 +j2.0 +j0.2 0.2 860 +j1.0 +j0.5 ∞ -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 850 Smith Chart S22 +j1.0 0.0 840 Frequency(MHz) 5.0 810 X: 849 Y: 6.197 X: 836.6 Y: -4.235 0 2.0 20 X: 824 Y: 8.072 10 X: 849 Y: 48.58 1.0 60 -80 840 Frequency(MHz) Horizontal: 10MHz/Div Group Delay Variation(f0±12.5MHz) G roup Delay T im e(ns ) Magnitude(dB) -21.4431 Part Number LBT83703 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3