LBT87505

China Electronics Technology Group Corporation No.26 Research Institute 875MHz SAW Filter 20MHz Bandwidth Part Number: LBT87505 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 865～885MHz 870～880MHz Unit MHz dB dB dB dB KHz/°C °C V dBm - Minimum 40 Typical 875 1.5 1.2 0.5 1.5/1.4 42 -28 42LT 25 0 Maximum 2.5 2 1.5 2 - Passband Variation(865～885MHz) VSWR(865～885MHz) Ultimate Rejection(825～835MHz) Material Temperature coefficient Substrate Material Ambient Temperature DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. - 1A 10 SMD3.0*3.0 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. SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT87505 2011-03-11 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 875MHz SAW Filter 20MHz Bandwidth Part Number: LBT87505 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration Source/Load Impedance=50 ohm INPUT 50Ω OUTPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 3.00±0.10 1 6 3.00±0.10 Pad Configuration: Input Output 2 5 2 H75E XXYY 5 Ground All Others 3 1.24±0.18 4 Marking Configuration: 0.89±0.08 1.50 1) •: Pad Number 1 Index 2) H75E: Part Number 3) XXYY: Date(Year/month) 6 1.60 5 4 0.76 1 2 3 0.61 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 Part Number Rev. Date Ver. LBT87505 2011-03-11 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 875MHz SAW Filter 20MHz Bandwidth Part Number: LBT87505 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance 9.0694 -0.9306 -10.9306 -0.4306 0.5694 Passband Response Type Performance 0.0694 -20.9306 Magnitude(dB) Amplitude ripple(dB) -30.9306 -40.9306 -50.9306 -60.9306 -0.9306 -1.4306 -1.9306 -2.4306 -70.9306 -80.9306 -90.9306 780 800 820 840 860 880 900 Frequency(MHz) 920 940 960 -2.9306 840 850 860 870 880 Frequency(MHz) 890 900 910 Horizontal: 20MHz/Div Vertical: 10dB/Div Horizontal: 10MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±10MHz) Type Performance 100 30 Phase Linearity(f0±10MHz) Type Performance 20 50 Group Delay Time(ns) X: 865 Y: 35.82 X: 885 Y: 34.42 10 X: 865 Y: 5.706 Degree(deg) 0 X: 885 Y: -0.9215 0 -10 -20 -50 850 855 860 865 870 875 Frequency(MHz) 880 885 890 895 900 -30 850 855 860 865 870 875 Frequency(MHz) 880 885 890 895 900 Horizontal: 5MHz/Div Vertical: 50ns/Div Horizontal: 5MHz/Div Vertical: 10deg/Div VSWR11(f0±10MHz) Type Performance (VSWR1) 3.5 3.5 VSWR22(f0±10MHz) Type Performance (VSWR2) 3 3 2.5 2.5 Magnitude(dB) 2 Magnitude(dB) 2 1.5 X: 885 Y: 1.119 1.5 X: 865 Y: 1.119 X: 885 Y: 1.241 X: 865 Y: 1.066 1 1 0.5 840 850 860 870 880 Frequency(MHz) 890 900 910 0.5 840 850 860 870 880 Frequency(MHz) 890 900 910 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT87505 2011-03-11 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com