LBT90004 SIPAT | Alldatasheet

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Technical content

Features

— 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 - 900 - Insertion Loss(885~915MHz) dB - 2.6 3.6 1 dB Bandwidth MHz 30 33.16 - 3 dB Bandwidth MHz 37 37.68 - Passband variation(885~915MHz) dB - 0.8 1.8 DC～840MHz dB 48 58 - 930～990MHz dB 20 20 - Ultimate Rejection 990～2000MHz dB 48 58 - Material Temperature coefficient KHz/°C -28.8 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 LBT90004 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 900MHz SAW Filter 30MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT90004 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) 90004: 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 90004 XXYY 1.50 1.00

Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT90004 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 900MHz SAW Filter 30MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT90004 Typical Performance Frequency Respond Passband Respond 750 800 850 900 950 1000 1050 -91.5216 -81.5216 -71.5216 -61.5216 -51.5216 -41.5216 -31.5216 -21.5216 -11.5216 -1.5216 8.4784 Type Performance Frequency(MHz) Magnitude(dB) 860 870 880 890 900 910 920 930 940 950 -4.0216 -3.5216 -3.0216 -2.5216 -2.0216 -1.5216 -1.0216 -0.5216 -0.0216 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 50MHz/Div Vertical: 10dB/Div Horizontal: 10MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±15MHz) Phase Linearity(f0±15MHz) 870 880 890 900 910 920 930 -200 -150 -100 -50 100 150 200 250 X: 900 Y: 34.61 Type Performance Frequency(MHz) Group Delay Time(ns) X: 915 Y: 39.52 X: 885 Y: 71.2 870 880 890 900 910 920 930 -300 -250 -200 -150 -100 -50 100 150 200 250 X: 885 Y: 17.49 Type Performance Frequency(MHz) Degree(deg) X: 915 Y: 18.2 X: 900 Y: -7.544 Horizontal: 10MHz/Div Vertical: 50ns/Div Horizontal: 10MHz/Div Vertical: 50deg/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 ∞