957MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT95701 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 - 957 - Insertion Loss（954~960MHz） dB - 2.2 3.8 Passband Variation（954~960MHz） dB - 0.8 1.2 DC～800MHz dB 35 37 - 800～935MHz dB 35 38 - 975～1000MHz dB 40 54 - 1000~2000MHz dB 25 45 - 2000~3000MHz dB 20 32 - VSWR（954~960MHz） - - 1.5 2 Group delay variation（954~960MHz） ns - 15 50 Material Temperature coefficient KHz/°C -30.6 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C DC Voltage V Input Power dBm ESD Class - Ultimate Rejection -45 - +85 0 - - 15 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 LBT95701 Rev. Date 2010-04-22 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 957MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT95701 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 5 3 Output: 5 3.00±0.10 2 95701 XXYY Input: 2 Ground: All Others 1.25±0.17 4 Marking Configuration: 1.15±0.12 1) •: Pad Number 1 Index 2) 95701: Part Number 3) XXYY: Date(Year/month) 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 0.60 1.60 1.50 Part Number LBT95701 Rev. Date 2010-04-22 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 957MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT95701 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance 8.5312 0.0312 -1.4688 -0.4688 -11.4688 -0.9688 -1.4688 A m plitude ripple(dB ) -31.4688 -41.4688 -51.4688 -1.9688 -2.4688 -61.4688 -2.9688 -71.4688 -3.4688 -81.4688 -91.4688 880 900 920 940 960 980 Frequency(MHz) Horizontal: 20MHz/Div 1000 1020 940 1040 945 950 955 960 965 970 975 Frequency(MHz) Vertical: 10dB/Div Horizontal: 5MHz/Div Group Delay Variation(f0±3MHz) Vertical: 0.5dB/Div Phase Linearity(f0±3MHz) Type Performance Type Performance 15 120 100 10 5 X: 960 Y: 56.17 X: 954 Y: 54.59 60 X: 954 Y: 2.501 Degree(deg) G roup Delay T im e(ns ) 80 40 X: 960 Y: 1.657 0 20 -5 0 -20 -10 -40 950 952 954 956 958 960 962 964 950 952 954 956 Frequency(MHz) Vertical: 20ns/Div Horizontal: 2MHz/Div VSWR11 960 962 964 Vertical: 5deg/Div VSWR22 Type Performance (VSWR2) Type Performance (VSWR1) 1.8 1.8 1.7 1.7 1.6 1.6 1.5 1.5 X: 954 Y: 1.397 X: 954 Y: 1.375 1.4 M agnitude(dB ) 1.4 1.3 1.2 1.3 1.2 X: 960 Y: 1.143 X: 960 Y: 1.12 1.1 1.1 1 1 0.9 0.9 0.8 950 958 Frequency(MHz) Horizontal: 2MHz/Div M agnitude(dB ) Magnitude(dB) -21.4688 952 954 956 958 960 962 0.8 950 964 952 954 Frequency(MHz) 958 960 962 964 Frequency(MHz) SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 956 Part Number LBT95701 Rev. Date 2010-04-22 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3