LBT40401 SIPAT | Alldatasheet

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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 - 402.5 - Insertion Loss dB - 1.4 2.8 1 dB Bandwidth MHz 2 6.6 - Passband Variation dB - 0.5 1.3 Ultimate Rejection(@408.5MHz) dB 15 40 - Material Temperature coefficient KHz/°C -12.88 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 LBT40401 Rev. Date 2008-11-04 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 402.5MHz SAW Filter 2MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT40401 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) 40401: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code INPUT OUTPUT 50Ω 50Ω 1.80 0.60 1.90 1.27 1.5MAX 3.80 0.2 3.80 0.2 123 54 6123 654 SIPAT 40401 XXYYZZ

Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT40401 Rev. Date 2008-11-04 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 402.5MHz SAW Filter 2MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT40401 Typical Performance Frequency Respond Passband Respond 370 380 390 400 410 420 430 440 -91.412 -81.412 -71.412 -61.412 -51.412 -41.412 -31.412 -21.412 -11.412 -1.412 8.588 Type Performance Frequency(MHz) Magnitude(dB) 394 396 398 400 402 404 406 408 410 412 -3.912 -3.412 -2.912 -2.412 -1.912 -1.412 -0.912 -0.412 0.088 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 10MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±1MHz) Phase Linearity(f0±1MHz) 398 399 400 401 402 403 404 405 406 407 -50 100 150 200 X: 402.5 Y: 92.19 Type Performance Frequency(MHz) Group Delay Time(ns) X: 403.5 Y: 113.4 X: 401.5 Y: 81.18 398 399 400 401 402 403 404 405 406 407 -15 -10 X: 401.5 Y: 2.268 Type Performance Frequency(MHz) Degree(deg) X: 403.5 Y: 2.499 X: 402.5 Y: 5.369 Horizontal: 1MHz/Div Vertical: 50ns/Div Horizontal: 1MHz/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 ∞