LBT07906 SIPAT | Alldatasheet
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For IF SAW filter High attenuation Single-ended operation Dual In-line Package RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 79.22 79.3 79.38 Insertion Loss dB - 24.4 27 1 dB Bandwidth MHz - 4.59 - 3 dB Bandwidth MHz 4.72 4.78 - 20 dB Bandwidth MHz - 5.24 - 40 dB Bandwidth MHz - 5.42 5.5 Passband Variation dB - 0.8 1 Group Delay Variation(f0±2MHz) nsec - 90 200 Absolute Delay usec - 4.42 - Ultimate Rejection dB 48 51 - Material Temperature coefficient KHz/°C -1.43 Substrate Material - 112LT 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 LBT07906 Rev. Date 2008-08-25 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 79.3MHz SAW Filter 5MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT07906 Matching Configuration L1=68nH L2=120nH C1=56pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Pad Configuration: Input 1 Output 5 Ground All Others Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT07906: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code INPUT OUTPUT 50Ω 50Ω 1 2 12.80 0.5 35.00 0.5 4.5 4.7 0.45 0.05 25.40 0.2 7.62 0.2 2.54 0.2 2.54 0.2 SIPAT LBT07906 XXYYZZ
Tel: +86-23-62808818 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com Part Number LBT07906 Rev. Date 2008-08-25 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 79.3MHz SAW Filter 5MHz Bandwidth SSIIPPAATT CCoo..,, LLttdd.. wwwwww..ssiippaattssaaww..ccoomm Part Number: LBT07906 Typical Performance Frequency Respond Passband Respond 70 72 74 76 78 80 82 84 86 88 -114.3834 -104.3834 -94.3834 -84.3834 -74.3834 -64.3834 -54.3834 -44.3834 -34.3834 -24.3834 -14.3834 Type Performance Frequency(MHz) Magnitude(dB) 75 76 77 78 79 80 81 82 83 84 -26.8834 -26.3834 -25.8834 -25.3834 -24.8834 -24.3834 -23.8834 -23.3834 -22.8834 Type Performance Frequency(MHz) Amplitude ripple(dB) Horizontal: 2MHz/Div Vertical: 10dB/Div Horizontal: 1MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±2MHz) Phase Linearity(f0±2MHz) 76 77 78 79 80 81 82 83 3600 3800 4000 4200 4400 4600 4800 5000 X: 79.3 Y: 4438 Type Performance Frequency(MHz) Group Delay Time(ns) X: 81.3 Y: 4392 X: 77.3 Y: 4424 76 77 78 79 80 81 82 83 -50 -40 -30 -20 -10 X: 81.3 Y: 2.386 Type Performance Frequency(MHz) Degree(deg) X: 79.3 Y: -0.6157 X: 77.3 Y: 0.3858 Horizontal: 1MHz/Div Vertical: 200ns/Div Horizontal: 1MHz/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 ∞