LBT87502 SIPAT | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 3

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 - 874.55 - Insertion Loss dB - 1.7 3.5 1.5 dB Bandwidth MHz 9.2 15.12 - Passband Variation(870～879.1MHz) dB - 0.4 1.5 Absolute Delay usec - 0.06 - Input/Output VSWR(870 ～879.1MHz) - - 1.27/1.22 2.5 0～850MHz dB 35 44 - 850～859MHz dB 10 40 - 888～893MHz dB 10 12 - 893～902MHz dB 30 32 - Ultimate Rejection 902～2000MHz dB 34 39 - Material Temperature coefficient KHz/°C -27.99 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 LBT87502 Rev. Date 2008-07-29 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 874.55MHz SAW Filter 9MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT87502 Matching Configuration Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input: 2 Output: 5 Ground: All Others Marking Configuration: 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) 87502: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code INPUT OUTPUT 50Ω 50Ω 1.80 0.60 1.90 1.5MAX 3.80 0.2 3.80 0.2 123 54 6123 654 SIPAT 87502 XXYYZZ

Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT87502 Rev. Date 2008-07-29 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 874.55MHz SAW Filter 9MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT87502 Typical Performance Frequency Respond Passband Respond 780 800 820 840 860 880 900 920 940 960 -91.7255 -81.7255 -71.7255 -61.7255 -51.7255 -41.7255 -31.7255 -21.7255 -11.7255 -1.7255 8.2745 Type Performance Frequency(MHz) Magnitude(dB) 860 865 870 875 880 885 890 895 -4.2255 -3.7255 -3.2255 -2.7255 -2.2255 -1.7255 -1.2255 -0.7255 -0.2255 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 20MHz/Div Vertical: 10dB/Div Horizontal: 5MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±4.5MHz) Phase Linearity(f0±4.5MHz) 866 868 870 872 874 876 878 880 882 884 -100 -50 100 150 200 X: 874.5 Y: 53.43 Type Performance Frequency(MHz) Group Delay Time(ns) X: 879 Y: 55.09 X: 870 Y: 72.74 866 868 870 872 874 876 878 880 882 884 -50 -40 -30 -20 -10 X: 879 Y: 2.91 Type Performance Frequency(MHz) Degree(deg) X: 870 Y: 2.482 X: 874.5 Y: -2.525 Horizontal: 2MHz/Div Vertical: 50ns/Div Horizontal: 2MHz/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 ∞