LBT88203 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 - 881.5 - Insertion Loss(869~894MHz) dB - 2.4 3.5 3 dB Bandwidth MHz - 37.6 - Passband variation(869~894MHz) dB - 0.8 1.5 10～779MHz dB 45 55 - 779～849MHz dB 40 45 - 914～970MHz dB 20 31 970～1049MHz dB 45 52 Ultimate Rejection 1049～2000MHz dB 35 38 - Material Temperature coefficient KHz/°C -28.2 Substrate Material - 42LT Ambient Temperature °C 25 Operating Temperature Range °C -10 - +65 Storage Temperature Range °C -40 - +85 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 LBT88203 Rev. Date 2009-10-15 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 881.5MHz SAW Filter 25MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT88203 Matching Configuration Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 1.40MAX 3.00±0.10 3.00±0.10 1.50±0.20 0.60 0.85 0.85±0.08 88203 XXYY 1.30 1.60 Pad Configuration: Input: 2 Output: 5 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 2) 88203: Part Number 3) XXYY: Date(Year/month) INPUT OUTPUT 50Ω 50Ω
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT88203 Rev. Date 2009-10-15 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 881.5MHz SAW Filter 25MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT88203 Typical Performance Frequency Respond Passband Respond 750 800 850 900 950 1000 -91.4729 -81.4729 -71.4729 -61.4729 -51.4729 -41.4729 -31.4729 -21.4729 -11.4729 -1.4729 8.5271 Type Performance Frequency(MHz) Magnitude(dB) 830 840 850 860 870 880 890 900 910 920 930 -3.9729 -3.4729 -2.9729 -2.4729 -1.9729 -1.4729 -0.9729 -0.4729 0.0271 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 50MHz/Div Vertical: 10dB/Div Horizontal: 10MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±12.5MHz) Phase Linearity(f0±12.5MHz) 860 870 880 890 900 910 -40 -20 100 120 X: 881.5 Y: 35.32 Type Performance Frequency(MHz) Group Delay Time(ns) X: 868.8 Y: 48.48 X: 894.3 Y: 39.72 860 870 880 890 900 910 -80 -60 -40 -20 X: 868.8 Y: 7.397 Type Performance Frequency(MHz) Degree(deg) X: 894.3 Y: 3.7 X: 881.5 Y: -4.459 Horizontal: 10MHz/Div Vertical: 20ns/Div Horizontal: 10MHz/Div Vertical: 20deg/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 ∞