458MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. 03 Part Number: LBT458 LBT45803 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 Center Frequency MHz 457.5 Insertion Loss（455~460MHz） dB 4 1dB bandwidth MHz 5 4.5 5.09 VSWR(455~460MHz) Attenuation Maximum 1.7/1.7 100~445MHz dB 30 50 450~452.5MHz dB 15 40 462.5~465MHz dB 15 28 470~1000MHz dB 30 45 Material Temperature coefficient KHz/°C -14.6 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C 25 Storage Temperature Range °C ESD Class - -55 - 2 +100 1A SMD5.0*5.0 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. Part Number LBT45803 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-09-18 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 1/4 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 458MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. 03 Part Number: LBT458 LBT45803 www.sipatsaw.com Matching Configuration 手动测试座 Source/Load Impedance=50 ohm OUTPUT 50Ω INPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension Pad Configuration Configuration:: 5.00 0.15 8 7 2 6 3 5 2 Output 6 Ground All others 5.00 0.15 1 Input Marking Configuration Configuration:: 4 · 1) SIPAT: Manufacturer Name 2) 45803: Part Number 1.35 0.25 3) XXYY: Date(Year/month) 1.20 0.15 4) ZZ: Identified Code 8 6 2 5 3 1.27 0.10 1 2.08 0.15 2.54 0.10 7 4 0.60 0.10 Package: SMD5.0*5.0 Unit: mm SIPAT Co., Ltd. Part Number LBT45803 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-09-18 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 2/4 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 458MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. 03 Part Number: LBT458 LBT45803 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance 7.1289 -0.3711 -0.8711 -1.3711 -22.8711 -1.8711 Amplitude ripple(dB) -2.8711 -12.8711 Magnitude(dB) -32.8711 -42.8711 -52.8711 -62.8711 -2.3711 -2.8711 -3.3711 -3.8711 -72.8711 -4.3711 -82.8711 -4.8711 -92.8711 -5.3711 430 440 450 460 Frequency(MHz) 470 480 Horizontal: 10MHz/Div 450 490 Vertical: 10dB/Div 452 454 456 458 460 Frequency(MHz) 462 Horizontal: 2MHz/Div VSWR S11 464 466 Vertical: 0.5dB/Div VSWR S22 Type Performance (VSWR1) Type Performance (VSWR2) 9 7 8 6 7 6 Magnitude(dB) Magnitude(dB) 5 4 5 4 3 3 X: 455 Y: 1.494 2 X: 455 Y: 1.57 2 X: 460 Y: 1.272 X: 460 Y: 1.173 1 1 452 454 456 458 Frequency(MHz) Horizontal: 2MHz/Div 460 462 448 464 Vertical: 1ns/Div 450 452 454 456 458 460 Frequency(MHz) Horizontal: 2MHz/Div Smith Chart S11 462 464 Vertical: 1deg/Div Smith Chart S22 +j1.0 +j1.0 +j0.5 +j0.5 +j2.0 +j2.0 +j0.2 +j5.0 5.0 2.0 1.0 5.0 2.0 1.0 0.5 0.2 0.0 0.5 +j5.0 0.2 +j0.2 0.0 466 -j0.2 -j0.2 ∞ ∞ -j5.0 -j5.0 -j0.5 -j0.5 -j2.0 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. Part Number LBT45803 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-09-18 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 3/4 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 458MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. 03 Part Number: LBT458 LBT45803 www.sipatsaw.com SIPAT Co., Ltd. Part Number LBT45803 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2012-09-18 Ver. 1.0 +86-23-62808818 Phone:Tel: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 4/4 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected]