LBT70A46

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 50Ω 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(f0±1.4MHz) 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 50Ω OUTPUT 50Ω 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(f0±1.4MHz) Type Performance 1420 8 Phase Linearity(f0±1.4MHz) 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