LBT94502 SIPAT | Alldatasheet
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For RF SAW filter Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50 Ω RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz - 945 - Insertion Loss(930~960MHz) dB - 2.4 3.6 1 dB Bandwidth MHz 30 35.1 - 3 dB Bandwidth MHz 40 40.13 - Passband variation(930~960MHz) dB - 0.8 1.8 DC～885MHz dB 48 56 - 885～915MHz dB 18 23 - 990～1050MHz dB 20 39 - Ultimate Rejection 1050～2000MHz dB 30 34 - Material Temperature coefficient KHz/°C -30.24 Substrate Material - 42LT 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 - 1A 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 LBT94502 Rev. Date 2009-09-28 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 1.0 Page 2/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 945MHz SAW Filter 30MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT94502 Matching Configuration Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input: 2 Output: 6 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 2) 94502: Part Number 3) XXYY: Date(Year/month) INPUT OUTPUT 50Ω 50Ω 1.80 0.60 1.90 1.27 1.20MAX 3.80 0.20 3.80 0.15 123 65 7 123 765 94502 XXYY 1.50 1.00
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT94502 Rev. Date 2009-09-28 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Ver. 1.0 Page 3/3 CChhiinnaa EElleeccttrroonniiccss TTeecchhnnoollooggyy GGrroouupp CCoorrppoorraattiioonn NNoo..2266 RReesseeaarrcchh IInnssttiittuuttee 945MHz SAW Filter 30MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT94502 Typical Performance Frequency Respond Passband Respond 700 750 800 850 900 950 1000 1050 1100 1150 -91.6154 -81.6154 -71.6154 -61.6154 -51.6154 -41.6154 -31.6154 -21.6154 -11.6154 -1.6154 8.3846 Type Performance Frequency(MHz) Magnitude(dB) 900 920 940 960 980 1000 -3.6154 -3.1154 -2.6154 -2.1154 -1.6154 -1.1154 -0.6154 -0.1154 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 50MHz/Div Vertical: 10dB/Div Horizontal: 20MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±15MHz) Phase Linearity(f0±15MHz) 900 910 920 930 940 950 960 970 980 990 -40 -20 100 X: 930 Y: 43.34 Type Performance Frequency(MHz) Group Delay Time(ns) X: 960 Y: 38.99 X: 945 Y: 31.01 900 910 920 930 940 950 960 970 980 990 -50 -40 -30 -20 -10 X: 930 Y: 5.264 Type Performance Frequency(MHz) Degree(deg) X: 960 Y: 2.372 X: 945 Y: -1.756 Horizontal: 10MHz/Div Vertical: 20ns/Div Horizontal: 10MHz/Div Vertical: 10deg/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 ∞