LBT45802

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