897.5MHz SAW Filter 35MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT89803 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 - 897.5 - Insertion Loss(880～915MHz) dB - 1.5 2.5 VSWR(880～915MHz) - - 1.8 2 Passband Variation(880～915MHz) dB - 0.5 1.3 DC～860MHz dB 17 19 - 925～935MHz dB 4 18 - 935～960MHz dB 20 23 - 960～3660MHz dB 20 20 - Ultimate Rejection Material Temperature coefficient KHz/°C -28.7 Substrate Material - 42LT Ambient Temperature °C 25 DC Voltage V 0 Input Power dBm ESD Class - - - 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 LBT89803 Rev. Date 2011-05-11 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 897.5MHz SAW Filter 35MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT89803 www.sipatsaw.com Matching Configuration INPUT 50 2 Source/Load Impedance=50 ohm OUTPUT 50 5 Notes - Component values may change depending on board layout. Package Dimension 3.00±0.10 H98C XXYY 5 3 Input: 3.00±0.10 2 Pad Configuration: 6 1 Output: 5 Ground: 1,3,4,6 1.24±0.18 4 Marking Configuration: 0.89±0.08 1) •: Pad Number 1 Index 2) H98C: Part Number 3) XXYY: Date(Year/month) 6 1 5 2 4 3 0.76 0.61 1.60 1.50 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 Part Number LBT89803 Rev. Date 2011-05-11 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 897.5MHz SAW Filter 35MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT89803 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance 9.3045 0.8045 -0.6955 0.3045 -10.6955 -0.1955 -20.6955 -0.6955 Amplitude ripple(dB) -40.6955 -50.6955 -1.1955 -1.6955 -60.6955 -2.1955 -70.6955 -2.6955 -80.6955 -90.6955 750 800 850 900 Frequency(MHz) 950 Horizontal: 50MHz/Div -3.1955 1000 Vertical: 10dB/Div 850 860 870 880 890 900 Frequency(MHz) 910 Horizontal: 10MHz/Div Group Delay Variation(880～915MHz) 920 930 940 Vertical: 0.5dB/Div Phase Linearity(880～915MHz) Type Performance Type Performance 80 50 40 60 30 20 X: 880 Y: 6.472 10 X: 915.1 Y: 28.21 X: 880 Y: 26.54 Degree(deg) Group Delay Time(ns) 40 20 X: 910 Y: 5.441 0 -10 -20 0 -30 -40 -20 -50 -40 860 870 880 890 900 Frequency(MHz) 910 Horizontal: 10MHz/Div 920 930 -60 940 Vertical: 20ns/Div 860 870 880 890 900 Frequency(MHz) Horizontal: 10MHz/Div Input VSWR(880～915MHz) 910 Type Performance (VSWR1) 930 940 Vertical: 10deg/Div Type Performance (VSWR2) 3 2.5 2.5 2 Magnitude(dB) 2 X: 880 Y: 1.725 1.5 X: 880 Y: 1.722 1.5 X: 915.1 Y: 1.088 X: 914.1 Y: 1.082 1 0.5 840 920 Output VSWR(880～915MHz) 3 Magnitude(dB) Magnitude(dB) -30.6955 1 850 860 870 880 890 900 Frequency(MHz) 910 920 930 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 940 0.5 840 950 850 860 870 880 890 900 Frequency(MHz) Part Number LBT89803 Rev. Date 2011-05-11 Ver. 1.0 Fax: +86-23-62808382 910 920 930 Page www.sipatsaw.com / [email protected] 940 950 3/3