881.5MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT88203 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 - 881.5 - Insertion Loss(869~894MHz) dB - 2.4 3.5 3 dB Bandwidth MHz - 37.6 - Passband variation(869~894MHz) dB - 0.8 1.5 10～779MHz dB 45 55 - 779～849MHz dB 40 45 - 914～970MHz dB 20 31 970～1049MHz dB 45 52 1049～2000MHz dB 35 38 Ultimate Rejection - Material Temperature coefficient KHz/°C -28.2 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C -10 - +65 Storage Temperature Range °C -40 - +85 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 LBT88203 Rev. Date 2009-10-15 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 881.5MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT88203 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 88203 XXYY 3 5 Input: Ground: All Others 1.40MAX 4 Marking Configuration: 1) •: Pad Number 1 Index 0.85±0.08 2) 88203: Part Number 3) XXYY: Date(Year/month) 6 1 5 2 4 3 1.30 0.60 1.60 1.50±0.20 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 2 Output: 5 3.00±0.10 2 Pad Configuration: 6 1 Part Number LBT88203 Rev. Date 2009-10-15 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 881.5MHz SAW Filter 25MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT88203 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance 8.5271 0.0271 -1.4729 -0.4729 -11.4729 -0.9729 -1.4729 A m plitude ripple(dB ) -31.4729 -41.4729 -51.4729 -1.9729 -2.4729 -61.4729 -2.9729 -71.4729 -3.4729 -81.4729 -91.4729 750 800 850 900 Frequency(MHz) 950 Horizontal: 50MHz/Div -3.9729 830 1000 Vertical: 10dB/Div 840 850 860 870 880 Frequency(MHz) 890 Horizontal: 10MHz/Div Group Delay Variation(f0±12.5MHz) 900 910 920 930 Vertical: 0.5dB/Div Phase Linearity(f0±12.5MHz) Type Performance Type Performance 120 60 100 40 80 20 60 X: 868.8 Y: 7.397 X: 868.8 Y: 48.48 X: 894.3 Y: 39.72 X: 881.5 Y: 35.32 40 D egree(deg) G roup Delay T im e(ns ) 20 X: 894.3 Y: 3.7 X: 881.5 Y: -4.459 0 -20 0 -40 -20 -60 -40 880 Frequency(MHz) 890 Horizontal: 10MHz/Div 900 -80 910 Vertical: 20ns/Div 860 870 880 Frequency(MHz) Horizontal: 10MHz/Div Smith Chart S11 -j0.2 -j5.0 -j0.5 5.0 0.0 ∞ +j5.0 0.5 5.0 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 Vertical: 20deg/Div +j0.5 +j2.0 0.5 910 +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 900 Smith Chart S22 +j1.0 0.0 890 2.0 870 1.0 860 0.2 Magnitude(dB) -21.4729 Part Number LBT88203 Rev. Date 2009-10-15 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3