LBT87502

China Electronics Technology Group Corporation No.26 Research Institute 874.55MHz SAW Filter 9MHz Bandwidth Part Number: LBT87502 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 1.5 dB Bandwidth Passband Variation(870～879.1MHz) Absolute Delay Input/Output VSWR(870～879.1MHz) 0～850MHz 850～859MHz Ultimate Rejection 888～893MHz 893～902MHz 902～2000MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage 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 MHz dB usec dB dB dB dB dB KHz/°C °C °C °C V dBm - Minimum 9.2 35 10 10 30 34 Typical 874.55 1.7 15.12 0.4 0.06 1.27/1.22 44 40 12 32 39 -27.99 42LT 25 Maximum 3.5 1.5 2.5 - -40 -45 - 0 1A +85 +105 10 SMD3.8*3.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT87502 2008-07-29 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 874.55MHz SAW Filter 9MHz Bandwidth Part Number: LBT87502 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 3.80 0.2 Pad Configuration: Input: 3.80 0.2 2 6 1.5MAX Package: SMD3.8*3.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 1 SIPAT 87502 XXYYZZ Output: 5 Ground: All Others 5 2 3 6 5 4 4 Marking Configuration: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) 87502: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 1.90 1 2 3 0.60 1.80 Unit: mm Part Number Rev. Date Ver. LBT87502 2008-07-29 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 874.55MHz SAW Filter 9MHz Bandwidth Part Number: LBT87502 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance 8.2745 -1.7255 -11.7255 -1.2255 -0.2255 Passband Respond Type Performance -0.7255 -21.7255 Magnitude(dB) Amplitude ripple(dB) -31.7255 -41.7255 -51.7255 -61.7255 -1.7255 -2.2255 -2.7255 -3.2255 -71.7255 -81.7255 -91.7255 780 800 820 840 860 880 900 Frequency(MHz) 920 940 960 -3.7255 -4.2255 860 865 870 875 Frequency(MHz) 880 885 890 895 Horizontal: 20MHz/Div Vertical: 10dB/Div Horizontal: 5MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±4.5MHz) Type Performance 200 40 Phase Linearity(f0±4.5MHz) Type Performance 30 150 20 100 X: 870 Y: 72.74 10 X: 870 Y: 2.482 X: 874.5 Y: 53.43 X: 879 Y: 55.09 X: 879 Y: 2.91 X: 874.5 Y: -2.525 Group Delay Time(ns) 50 Degree(deg) 882 884 0 -10 0 -20 -30 -50 -40 -100 866 868 870 872 874 876 Frequency(MHz) 878 880 -50 866 868 870 872 874 876 Frequency(MHz) 878 880 882 884 Horizontal: 2MHz/Div Vertical: 50ns/Div Horizontal: 2MHz/Div Vertical: 10deg/Div Smith Chart S11 +j1.0 +j0.5 +j2.0 Smith Chart S22 +j1.0 +j0.5 +j2.0 +j0.2 +j5.0 +j0.2 +j5.0 0.2 0.5 1.0 2.0 0.0 ∞ 0.0 5.0 0.2 0.5 1.0 2.0 5.0 ∞ -j0.2 -j5.0 -j0.2 -j5.0 -j0.5 -j1.0 -j2.0 -j0.5 -j1.0 -j2.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT87502 2008-07-29 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com