140MHz SAW Filter 7MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT140A20 www.sipatsaw.com Features 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 - 140 - Insertion Loss dB - 31.7 34 1.2 dB Bandwidth MHz 6.4 6.44 - 23 dB Bandwidth MHz - 7.13 7.2 38 dB Bandwidth MHz - 7.28 7.6 50 dB Bandwidth MHz - 7.36 8.4 56 dB Bandwidth MHz - 7.51 10.4 Passband Variation dB - 0.7 1.2 Absolute Delay usec - 4.42 4.5 Ultimate Rejection dB 50 54 - Material Temperature coefficient KHz/°C -2.52 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V Input Power dBm ESD Class - 0 - - 10 1A DIP3512 (35.0x12.8x4.7mm3) Package Size Notes: 1. All specifications are based on the test circuit shown; 2. In production, all specifications are measured by Agilent 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. SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBT140A20 Rev. Date 2011-08-10 Ver. 1.1 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 140MHz SAW Filter 7MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT140A20 www.sipatsaw.com Matching Configuration L1=47nH C2 L1 INPUT 50 OUTPUT 50 L2=33nH C1=C2=56pF Source/Load Impedance=50 ohm C1 L2 Notes - Component values may change depending on board layout. Package Dimension 35.00 0.5 Pad Configuration: 12.80 0.5 SIPAT LBT140A20 XXYYZZ 1 Output 5 Ground All Others 4.7 Marking Configuration: 4.5 1) SIPAT: Manufacturer Name 2) LBT140A20: Part Number 0.45 0.05 3) XXYY: Date(Year/month) 2.54 0.2 4) ZZ: Identified Code 5 6 1 Package: DIP3512 7.62 0.2 4 3 2 25.40 0.2 2.54 0.2 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Input Part Number LBT140A20 Rev. Date 2011-08-10 Ver. 1.1 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 140MHz SAW Filter 7MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT140A20 www.sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance Type Performance -21.6548 -30.1548 -31.6548 -30.6548 -41.6548 -31.1548 -31.6548 Amplitude ripple(dB) -61.6548 -71.6548 -81.6548 -32.1548 -32.6548 -91.6548 -33.1548 -101.6548 -33.6548 -111.6548 -121.6548 125 130 135 140 Frequency(MHz) Horizontal: 5MHz/Div 145 150 134 155 Vertical: 10dB/Div 136 138 140 Frequency(MHz) 142 Horizontal: 2MHz/Div Group Delay Variation(f0±3MHz) 144 146 Vertical: 0.5dB/Div Phase Linearity(f0±3MHz) Type Performance Type Performance 4800 30 4700 20 4600 10 X: 137 Y: 4460 4500 X: 137 Y: 1.488 X: 140 Y: 4418 X: 143 Y: 4390 4400 X: 143 Y: 0.87 X: 140 Y: -1.247 0 Degree(deg) Group Delay Time(ns) 4300 -10 4200 -20 4100 -30 4000 140 Frequency(MHz) 142 Horizontal: 2MHz/Div 144 -40 134 146 Vertical: 100ns/Div 136 138 +j2.0 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 Vertical: 10deg/Div +j0.5 +j5.0 +j0.2 0.5 146 +j1.0 +j0.5 ∞ -j5.0 -j0.2 -j2.0 -j2.0 -j0.5 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 144 Smith Chart S22 +j1.0 -j0.5 142 Horizontal: 2MHz/Div Smith Chart S11 0.0 140 Frequency(MHz) 5.0 138 2.0 136 1.0 3900 134 0.2 Magnitude(dB) -51.6548 Part Number LBT140A20 Rev. Date 2011-08-10 Ver. 1.1 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3