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| China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4MHz Bandwidth Part Number: LBT70A39 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 35 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection(Over f04MHz) Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz dB usec Minimum 69.9 4.1 50 Typical 70 26 3.92 4.16 4.87 4.91 0.9 3.97 58 -1.26 25 Maximum 70.1 28.5 4.9 1 - dB KHz/C C DIP3512 (35.0x12.8x4.7mm3) Notes: 1. All specifications are based on the test circuit shown 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over 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 Matching Configuration INPUT 50 L1 C2 OUTPUT 50 L1=150nH L2=56nH C1=82pF C2=47pF Source/Load Impedance=50 ohm C1 L2 Notes - Component values may change depending on board layout. SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBT70A39 2007-3-27 1.0 Page 1/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4MHz Bandwidth Part Number: LBT70A39 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 35.000.5 12.800.5 4.7 4.5 0.450.05 2.540.2 7.620.2 3 6 2 1 4 5 25.400.2 2.540.2 Input Output Ground 1 5 2,3,4,6 Package: DIP3512 Unit: mm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBT70A39 2007-3-27 1.0 Page 2/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4MHz Bandwidth Part Number: LBT70A39 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -15.969 -25.969 -35.969 -45.969 Magnitude(dB) -55.969 -65.969 -75.969 -85.969 -27.469 3dB CF = 70.0439MHz 1dB = 3.9212MHz 3dB = 4.1615MHz 35dB = 4.8693MHz 40dB = 4.9104MHz Insert Loss = -25.969dB Passband Ripple = 0.89911dB Ultimate Rejection = 55.4003dB Group Delay = 129.5807ns Phase Linearity = 8.1825deg Delay = 3966.7242ns Passband Respond -24.469 -24.969 -25.469 -25.969 -26.469 -26.969 -95.969 -105.969 -115.969 55 -27.969 60 65 70 Frequency(MHz) 75 80 85 64 66 68 70 72 74 76 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f02MHz) Type Performance 20 Phase Linearity(f02MHz) Type Performance 4400 4300 15 4200 10 4100 Group Delay Tim e(ns ) X: 70 Y: 4021 5 Degree(deg) X: 71.99 Y: 3945 X: 71.99 Y: 3.155 X: 70 Y: -0.6003 4000 X: 68.01 Y: 3888 0 X: 68.01 Y: -1.78 3900 3800 -5 3700 -10 3600 -15 3500 -20 62 62 64 66 68 70 Frequency(MHz) 72 74 76 78 64 66 68 70 Frequency(MHz) 72 74 76 78 Horizontal: 2MHz/Div Vertical: 100ns/Div Horizontal: 2MHz/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 0.0 5.0 0.2 0.5 1.0 2.0 5.0 0.0 -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 ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBT70A39 2007-3-27 1.0 Page 3/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 4MHz Bandwidth Part Number: LBT70A39 www.sipatsaw.com SIPAT Co., Ltd. Maximum Ratings Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class C C V dBm [-40C;+85C] [-40C;+105C] 0 10 max 1 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Ver. LBT70A39 2007-3-27 1.0 Page 4/4 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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