LBT11512S SIPAT | Alldatasheet
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For IF SAW filter High attenuation Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 114.9 115 115.1 Insertion Loss dB - 18 20 1 dB Bandwidth MHz 5.7 5.89 - 3 dB Bandwidth MHz 6.2 6.32 - 40 dB Bandwidth MHz - 7.8 8 Passband Variation dB - 0.6 1 Group Delay Variation(f0±3MHz) nsec - 130 200 Absolute Delay usec - 1.91 - Ultimate Rejection dB 45 48 - Material Temperature coefficient KHz/°C -2.07 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V 0 Input Power dBm - - 10 ESD Class - 1 Notes: 1. All specifications are based on the test circuit shown; 2. In production, all specifications are measured by Ag ilent Network analyzer and full 2 port calibration at room 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.
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT11512S Rev. Date 2007-12-20 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 2.0 Page 2/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 115MHz SAW Filter 6MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww.. ssiippaattssaaww..ccoomm Part Number: LBT11512S Matching Configuration L1=68nH L2=39nH C1=56pF C2=82pF R1=270 Ω Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input 10 Output 5 Ground All Others Marking Configuration: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LBT11512S: Part Number 4) 07XX: Date Code INPUT OUTPUT 50 50 L1 L2 C1 R1 C2 6.50 10 9 8 7 6 19.00 1.75 1.0 1.905(8 Places) (10 Places)1.02 10 9 8 7 6 1.70 12345 12345 S I P A T LBT11512S 0 7 X X.
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT11512S Rev. Date 2007-12-20 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 2.0 Page 3/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 115MHz SAW Filter 6MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww.. ssiippaattssaaww..ccoomm Part Number: LBT11512S Typical Performance Frequency Respond Passband Respond 95 100 105 110 115 120 125 130 135 -108.0843 -98.0843 -88.0843 -78.0843 -68.0843 -58.0843 -48.0843 -38.0843 -28.0843 -18.0843 -8.0843 Type Performance Frequency(MHz) Magnitude(dB) 110 112 114 116 118 120 -20.5843 -20.0843 -19.5843 -19.0843 -18.5843 -18.0843 -17.5843 -17.0843 -16.5843 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±3MHz) Phase Linearity(f0±3MHz) 110 112 114 116 118 120 1500 1600 1700 1800 1900 2000 2100 2200 X: 115 Y: 1956 Type Performance Frequency(MHz) Group Delay Time(ns) X: 118 Y: 1874 X: 112 Y: 1898 110 112 114 116 118 120 -25 -20 -15 -10 X: 118 Y: 3.35 Type Performance Frequency(MHz) Degree(deg) X: 112 Y: -0.827 X: 115 Y: -1.896 Horizontal: 2MHz/Div Vertical: 100ns/Div Horizontal: 2MHz/Div Vertical: 5deg/Div Smith Chart S11 Smith Chart S22 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 ∞ 0.2 0.5 1.0 2.0 5.0 +j0.2 -j0.2 +j0.5 -j0.5 +j1.0 -j1.0 +j2.0 -j2.0 +j5.0 -j5.0 0.0 ∞