458MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT45802 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 Maximum Center Frequency MHz - 458 - Insertion Loss dB - 3.5 6.5 1dB Bandwidth MHz 2 5.4 - Passband Variation dB - 0.5 1 @463MHz dB 20 38 - @468MHz dB 40 50 - Ultimate Rejection Material Temperature coefficient KHz/°C -14.7 Substrate Material - 36LT Ambient Temperature °C 25 Operating Temperature Range °C DC Voltage V Input Power dBm ESD Class - -25 - +55 0 - - 10 1A SA04 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. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBT45802 Rev. Date 2011-05-31 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 458MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT45802 www.sipatsaw.com Matching Configuration INPUT 50 1 5 Source/Load Impedance=50 ohm OUTPUT 50 Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input: 1 Output: 5 Ground: 2,3,4 Package: SA04 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBT45802 Rev. Date 2011-05-31 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 458MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT45802 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance 6.5496 -1.9504 -3.4504 -2.4504 -13.4504 -2.9504 -3.4504 Amplitude ripple(dB) -33.4504 -43.4504 -53.4504 -3.9504 -4.4504 -63.4504 -4.9504 -73.4504 -5.4504 -83.4504 -93.4504 435 440 445 450 455 460 465 Frequency(MHz) Horizontal: 5MHz/Div 470 475 452 480 Vertical: 10dB/Div 454 456 458 Frequency(MHz) 460 Horizontal: 2MHz/Div Group Delay Variation(f0±1MHz) 462 464 Vertical: 0.5dB/Div Phase Linearity(f0±1MHz) Type Performance Type Performance 300 10 280 260 5 240 220 X: 457 Y: 203.1 X: 459 Y: 201.4 0 200 180 X: 457 Y: -1.54 Degree(deg) Group Delay Time(ns) X: 458 Y: 183.9 X: 458 Y: -1.677 X: 459 Y: -3.007 -5 160 140 120 -10 100 80 458 Frequency(MHz) 458.5 Horizontal: 0.5MHz/Div 459 459.5 -15 456 460 Vertical: 20ns/Div 456.5 457 457.5 460 Vertical: 5deg/Div +j0.5 +j2.0 0.0 ∞ -j0.2 -j5.0 -j0.5 +j5.0 0.5 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 459.5 +j1.0 +j0.5 0.5 459 Smith Chart S22 +j1.0 ∞ -j5.0 -j0.5 -j2.0 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 458.5 Horizontal:0.5MHz/Div Smith Chart S11 0.0 458 Frequency(MHz) 5.0 457.5 2.0 457 1.0 456.5 5.0 456 0.2 Magnitude(dB) -23.4504 Part Number LBT45802 Rev. Date 2011-05-31 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3