LB140DS03 SIPAT | Alldatasheet
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Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com Part Number LB140DS03 Rev. Date 2005-11-7 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Rev. 1.0 Page 1/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm 140MHz SAW Filter 3.5MHz Bandwidth Part Number: LB140DS03 Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 139.7 140 140.3 Insertion Loss dB - 10 12.5 1 dB Bandwidth MHz 2.5 3.03 - 3 dB Bandwidth MHz 3.5 3.95 - 40 dB Bandwidth MHz - 7.18 8 Passband Variation dB - 0.4 1 Absolute Delay usec - 0.85 - Group Delay Variation(f0±0.6MHz) nsec - 60 100 Phase Linearity (f0±0.6MHz) degrees - 3 6 Ultimate Rejection dB - 42 - Material Temperature coefficient KHz/°C -2.52 Ambient Temperature °C 25 Package Size SMP-53 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 L1=56nH L2=82nH C1=39pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. L2L1
Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com Part Number LB140DS03 Rev. Date 2005-11-7 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Rev. 1.0 Page 2/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm 140MHz SAW Filter 3.5MHz Bandwidth Part Number: LB140DS03 Package Dimension Input:11 Output:5
Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com Part Number LB140DS03 Rev. Date 2005-11-7 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Rev. 1.0 Page 3/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm 140MHz SAW Filter 3.5MHz Bandwidth Part Number: LB140DS03 Typical Performance Frequency Respond Passband Respond 128 131 134 137 140 143 146 149 152 -90.0064 -80.0064 -70.0064 -60.0064 -50.0064 -40.0064 -30.0064 -20.0064 -10.0064 138 138.5 139 139.5 140 140.5 141 141.5 142 -15 -14 -13 -12 -11 -10 Group Delay Variation(f0±1.2MHz) Phase Linearity(f0±1.2MHz) Smith Chart S11 Smith Chart S22