912MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT91201 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 - 912 - Insertion Loss（909~915MHz） dB - 2.4 3.8 Passband Variation（909~915MHz） dB - 0.9 1.2 DC～800MHz dB 35 37 - 800～890MHz dB 35 37 - 930～950MHz dB 40 51 - 950~2000MHz dB 25 45 - 2000~3000MHz dB 20 32 - VSWR（909~915MHz） - - 1.6 2 Group delay variation（909~915MHz） ns - 25 50 Material Temperature coefficient KHz/°C -29.1 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 LBT91201 Rev. Date 2010-04-30 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 912MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT91201 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 91201 XXYY Input: 2 Ground: All Others 1.25±0.17 4 Marking Configuration: 1.15±0.12 1) •: Pad Number 1 Index 2) 91201: 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 LBT91201 Rev. Date 2010-04-30 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 912MHz SAW Filter 6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT91201 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -0.0095 8.4905 -1.5095 -0.5095 -11.5095 -1.0095 -21.5095 -1.5095 A m plitude ripple(dB ) M agnitude(dB ) -31.5095 -41.5095 -51.5095 -2.0095 -2.5095 -61.5095 -3.0095 -71.5095 -3.5095 -81.5095 -91.5095 820 840 860 880 900 920 Frequency(MHz) 940 960 980 -4.0095 895 1000 900 Vertical: 10dB/Div 915 Horizontal: 5MHz/Div Group Delay Variation(f0±3MHz) 920 20 100 15 Vertical: 0.5dB/Div 10 80 X: 915 Y: 59.07 X: 909 Y: 58.71 X: 909 Y: 4.639 5 Degree(deg) 60 X: 915 Y: 0.55 40 0 20 -5 0 -10 904 906 908 910 912 Frequency(MHz) 914 916 Horizontal: 2MHz/Div 918 920 -15 904 922 Vertical: 20ns/Div 906 908 2.2 2 2 1.8 1.8 X: 909 Y: 1.53 920 M agnitude(dB ) 1.4 1 1 0.8 0.8 915 X: 915 Y: 1.13 0.6 900 920 905 910 Frequency(MHz) 915 920 Frequency(MHz) SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 918 Vertical: 5deg/Div 1.2 X: 915 Y: 1.108 910 916 X: 909 Y: 1.55 1.6 1.4 905 914 Type Performance (VSWR2) Type Performance (VSWR1) 1.2 912 Frequency(MHz) VSWR22 2.2 1.6 910 Horizontal: 2MHz/Div VSWR11 0.6 900 930 Type Performance 120 -20 902 925 Phase Linearity(f0±3MHz) Type Performance M agnitude(dB ) 910 Frequency(MHz) Horizontal: 20MHz/Div G roup Delay T im e(ns ) 905 Part Number LBT91201 Rev. Date 2010-04-30 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3