900MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT90004 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 - 900 - Insertion Loss(885~915MHz) dB - 2.6 3.6 1 dB Bandwidth MHz 30 33.16 - 3 dB Bandwidth MHz 37 37.68 - Passband variation(885~915MHz) dB - 0.8 1.8 DC～840MHz dB 48 58 - 930～990MHz dB 20 20 - 990～2000MHz dB 48 58 - Ultimate Rejection Material Temperature coefficient KHz/°C -28.8 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 SMD3.8*3.8 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 LBT90004 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 900MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT90004 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 3.80 0.15 Pad Configuration: 8 1 7 Input: Output: 6 6 3.80 0.20 2 90004 XXYY 2 Ground: All Others 5 3 1.20MAX 4 Marking Configuration: 1) •: Pad Number 1 Index 1.90 1.00 2) 90004: Part Number 3) XXYY: Date(Year/month) 1 7 1.50 8 2 6 1.27 3 5 Package: SMD3.8*3.8 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 0.60 4 1.80 Part Number LBT90004 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 900MHz SAW Filter 30MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT90004 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance 8.4784 -0.0216 -1.5216 -0.5216 -11.5216 -1.0216 -1.5216 A m plitude ripple(dB ) -31.5216 -41.5216 -51.5216 -2.0216 -2.5216 -61.5216 -3.0216 -71.5216 -3.5216 -81.5216 -91.5216 750 800 850 900 Frequency(MHz) Horizontal: 50MHz/Div 950 1000 -4.0216 1050 Vertical: 10dB/Div 860 870 880 890 900 Frequency(MHz) 910 Horizontal: 10MHz/Div Group Delay Variation(f0±15MHz) 920 930 940 950 Vertical: 0.5dB/Div Phase Linearity(f0±15MHz) Type Performance Type Performance 250 250 200 200 150 150 100 100 X: 885 Y: 71.2 50 X: 915 Y: 39.52 X: 900 Y: 34.61 50 D egree(deg) G roup Delay T im e(ns ) 0 X: 915 Y: 18.2 X: 885 Y: 17.49 X: 900 Y: -7.544 0 -50 -100 -50 -150 -100 -200 -150 -250 900 Frequency(MHz) 910 Horizontal: 10MHz/Div 920 -300 870 930 Vertical: 50ns/Div 880 890 Vertical: 50deg/Div +j0.5 +j2.0 0.0 ∞ -j0.2 -j5.0 -j0.5 +j5.0 0.5 5.0 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 930 +j1.0 +j0.5 0.5 920 Smith Chart S22 +j1.0 ∞ -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 910 Horizontal: 10MHz/Div Smith Chart S11 0.0 900 Frequency(MHz) 5.0 890 2.0 880 1.0 -200 870 0.2 Magnitude(dB) -21.5216 Part Number LBT90004 Rev. Date 2009-09-28 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3