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| China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 3MHz Bandwidth Part Number: LBT70A46 www. sipatsaw.com SIPAT Co., Ltd. Features For IF SAW filter High attenuation Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50 RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 30 dB Bandwidth 40 dB Bandwidth Passband Variation Group Delay Variation(f01.4MHz) Absolute Delay Ultimate Rejection 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 MHz MHz MHz dB nsec usec dB KHz/C C C C V dBm - Minimum 69.92 1.9 2.8 40 Typical 70 22.2 2.23 3.05 5.78 6.16 0.1 23 1.36 45 -1.26 112LT 25 Maximum 70.08 23 6 0.8 100 - -40 -45 - 0 1 +85 +105 10 SMD13.3*6.5A SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT70A46 2007-10-09 1.0 Page 1/3 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 3MHz Bandwidth Part Number: LBT70A46 www. sipatsaw.com SIPAT Co., Ltd. Matching Configuration Source/Load Impedance=50 ohm INPUT 50 OUTPUT 50 Notes - Component values may change depending on board layout. Package Dimension +0.2 13.3-0.1 Pad Configuration: Input 10 5 Output SIPAT LBT70A46 07XX +0.2 6.5-0.1 Ground All Others Marking Configuration: 1) *: Pad Number 1 Index 0.4 1.56 0.1 0.76 2) SIPAT: Manufacturer Name 3) LBT70A46: Part Number 4) 07XX: Date Code 1.02 2.9 1.91 0.6 Package: SMD13.3*6.5A 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. LBT70A46 2007-10-09 1.0 Page 2/3 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 3MHz Bandwidth Part Number: LBT70A46 www. sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -12.1686 -22.1686 -32.1686 -21.6686 -20.6686 Passband Respond -21.1686 -42.1686 Magnitude(dB) -52.1686 -62.1686 -72.1686 -82.1686 -23.6686 -22.1686 -22.6686 -23.1686 -92.1686 -102.1686 -112.1686 55 60 65 70 Frequency(MHz) 75 80 85 -24.1686 -24.6686 67 68 69 70 71 72 73 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 1MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f01.4MHz) Type Performance 1420 8 Phase Linearity(f01.4MHz) Type Performance 1400 6 4 1380 2 Group Delay Time(ns) 1360 X: 68.61 Y: 1348 X: 70 Y: 1354 X: 71.39 Y: 1352 X: 68.61 Y: -0.4834 X: 70 Y: -0.1229 1340 Degree(deg) 0 X: 71.39 Y: 0.7982 -2 1320 -4 1300 -6 1280 -8 1260 65 66 67 68 69 70 Frequency(MHz) 71 72 73 74 75 -10 65 66 67 68 69 70 Frequency(MHz) 71 72 73 74 75 Horizontal: 1MHz/Div Vertical: 20ns/Div Horizontal: 1MHz/Div Vertical: 2deg/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. LBT70A46 2007-10-09 1.0 Page 3/3 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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