LBT45505

China Electronics Technology Group Corporation No.26 Research Institute 455MHz SAW Filter 5MHz Bandwidth Part Number: LBT45505 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(452.5～457.5MHz) Passband Variation(452.5～457.5MHz) Input/Output VSWR(452.5～457.5MHz) 0.3～350MHz 350～445MHz 462.5～467.5MHz Ultimate Rejection 467.5～905MHz 905～915MHz 915～1500MHz @3640.0MHz 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 dB dB dB dB dB dB dB dB KHz/°C °C °C °C V dBm - Minimum 25 23 42 22 22 20 14 Typical 455 1.8 0.7 1.8 27 24 44 28 24 22 17 -14.6 42LT 25 Maximum 2.4 1 2 - -40 -40 - 0 1A +85 +85 30 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. LBT45505 2010-10-10 2.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 455MHz SAW Filter 5MHz Bandwidth Part Number: LBT45505 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: 2 Output: 5 Ground: All Others 2 D55E XXYY 5 3 1.25±0.17 4 1.15±0.12 1.50 Marking Configuration: 1) •: Pad Number 1 Index 2) D55E: Part Number 3) XXYY: Date(Year/month) 6 1.60 5 4 1.30 0.85 1 2 3 0.60 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. LBT45505 2010-10-10 2.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 455MHz SAW Filter 5MHz Bandwidth Part Number: LBT45505 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance 8.996 -1.004 -11.004 -0.504 0.496 Passband Response Type Performance -0.004 -21.004 Magnitude(dB) Amplitude ripple(dB) -31.004 -41.004 -51.004 -61.004 -1.004 -1.504 -2.004 -2.504 -71.004 -81.004 -91.004 410 420 430 440 450 460 470 Frequency(MHz) 480 490 500 -3.004 -3.504 446 448 450 452 454 456 Frequency(MHz) 458 460 462 464 Horizontal: 10MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±2.5MHz) Type Performance 10 140 8 Phase Linearity(f0±2.5MHz) Type Performance 120 6 4 100 Group Delay Time(ns) X: 452.5 Y: 85.72 X: 457.5 Y: 84.71 X: 452.5 Y: 1.61 2 Degree(deg) 80 0 X: 457.5 Y: -0.4758 -2 60 -4 40 -6 -8 20 -10 450 450 451 452 453 454 455 Frequency(MHz) 456 457 458 459 460 451 452 453 454 455 Frequency(MHz) 456 457 458 459 460 Horizontal: 1MHz/Div Vertical: 20ns/Div Horizontal: 1MHz/Div Vertical: 2deg/Div VSWR11(f0±2.5MHz) Type Performance (VSWR1) 2.6 2.6 VSWR22(f0±2.5MHz) Type Performance (VSWR2) 2.4 2.4 2.2 2.2 2 X: 457.5 Y: 1.819 2 X: 457.5 Y: 1.819 Magnitude(dB) 1.8 Magnitude(dB) 1.8 1.6 X: 452.5 Y: 1.364 1.6 X: 452.5 Y: 1.395 1.4 1.4 1.2 1.2 1 1 0.8 448 450 452 454 456 Frequency(MHz) 458 460 462 0.8 448 450 452 454 456 Frequency(MHz) 458 460 462 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT45505 2010-10-10 2.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com