LBT89805

China Electronics Technology Group Corporation No.26 Research Institute 897.5MHz SAW Filter 35MHz Bandwidth Part Number: LBT89805 www.sipatsaw.com SIPAT Co., Ltd. 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 Center Frequency Insertion Loss(880～915MHz) Passband Variation(880～915MHz) VSWR(880～915MHz) DC～620MHz 620～840MHz 925～935MHz 935～960MHz Ultimate Rejection 1200～1240MHz 1950～1990MHz 1990～2025MHz 3000～3400MHz 3400～5000MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. All specifications are based on the test circuit shown; In production, all specifications are measured by Agilent Network analyzer and full 2 port calibration at room temperature; Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; This is the optimum impedance in order to achieve the performance show. Unit MHz dB dB dB dB dB dB dB dB dB dB dB KHz/°C °C °C V dBm - Minimum 40 30 10 20 35 28 20 20 20 Typical 897.5 2.5 0.8 1.7 55 55 15 27 45 45 40 30 25 -28.7 42LT 25 Maximum 3.0 1.5 2 - -40 - 0 1A +85 23 SMD3.0*3.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT89805 2011-05-23 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 897.5MHz SAW Filter 35MHz Bandwidth Part Number: LBT89805 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration INPUT 50Ω OUTPUT 50Ω Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 3.0 Pad Configuration: Input: 3.0 2 6 0.6 3 2 1 0.7 1.5 Package: SMD3.0*3.0 6 5 4 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 1 H98E 5 2 Output: 5 Ground: 1,3,4,6 XXYY 4 3 0.7 Marking Configuration: 1) •: Pad Number 1 Index 2) H98E: Part Number 3) XXYY: Date(Year/month) 1.25±0.17 Unit: mm Part Number Rev. Date Ver. LBT89805 2011-05-23 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 897.5MHz SAW Filter 35MHz Bandwidth Part Number: LBT89805 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance 8.2162 -1.7838 -11.7838 -1.2838 -0.2838 Passband Response Type Performance -0.7838 -21.7838 Magnitude(dB) Amplitude ripple(dB) -31.7838 -41.7838 -51.7838 -61.7838 -1.7838 -2.2838 -2.7838 -3.2838 -71.7838 -81.7838 -91.7838 750 800 850 900 Frequency(MHz) 950 1000 -3.7838 -4.2838 860 870 880 890 900 Frequency(MHz) 910 920 930 940 Horizontal: 50MHz/Div Vertical: 10dB/Div Horizontal: 10MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±17.5MHz) Type Performance 150 Phase Linearity(f0±17.5MHz) Type Performance 100 100 50 X: 915 Y: 17.72 X: 880 Y: 62.45 Group Delay Time(ns) 50 Degree(deg) X: 915 Y: 25.56 0 X: 880 Y: 19.14 0 -50 -50 -100 -100 860 870 880 890 900 Frequency(MHz) 910 920 930 940 -150 860 870 880 890 900 Frequency(MHz) 910 920 930 940 Horizontal: 10MHz/Div Vertical: 50ns/Div Horizontal: 10MHz/Div Vertical: 50deg/Div VSWR11(f0±17.5MHz) Type Performance (VSWR1) 2.4 2.4 VSWR22(f0±17.5MHz) Type Performance (VSWR2) 2.2 2.2 2 2 Magnitude(dB) 1.6 Magnitude(dB) 1.8 1.8 X: 915 Y: 1.5 1.6 X: 915 Y: 1.491 1.4 1.4 1.2 X: 880 Y: 1.047 1.2 X: 880 Y: 1.085 1 1 0.8 850 860 870 880 890 900 Frequency(MHz) 910 920 930 940 0.8 850 860 870 880 890 900 Frequency(MHz) 910 920 930 940 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT89805 2011-05-23 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com