LB140DS38

China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 7MHz Bandwidth Part Number: LB140DS38 www.sipatsaw.com SIPAT Co., Ltd. Features For IF SAW filter Single-ended operation Ceramic Surface Mount Package Small size RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss Passband Variation 137.25~142.75MHz 136.5~143.5MHz 137.25~142.75MHz 136.5~143.5MHz Absolute Delay(137.25~142.75MHz) Input/Output return loss(136.5~143.5MHz) 10~132MHz 132~133MHz Ultimate Rejection 147~150MHz 150~200MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. All specifications are based on the test circuit shown; 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. Unit MHz dB dB dB deg deg usec dB dB dB dB dB KHz/°C °C °C °C V dBm - Minimum 8.5 40 35 35 40 Typical 140 12.6 0.3 0.3 2 3 1.05 12/10.7 46 49 38 52 -2.52 112LT 25 Maximum 18.5 1.8 2 6 8 - Phase Linearity -40 -45 0 +85 +105 - 1A 10 SMD9.1*4.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LB140DS38 2008-11-11 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 7MHz Bandwidth Part Number: LB140DS38 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration INPUT 50Ω C1 L1 L2 OUTPUT 50Ω C2 L1=(27+15)nH L2=47nH C1=C2=56pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 9.1 Pad Configuration: 8 9 10 1 1.2 7 6 5 4.8 4 Input: Output: 9 4 SIPAT LB140DS38 XXYYZZ 2 3 Ground: All Others Marking Configuration: 0.65±0.05 1) •: Pad Number 1 Index 2) SIPAT: Manufacturer Name 3) LB140DS38: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 1.5 2.54 2.54 0.8 1 4.8 Package: SMD9148 Unit: mm 3.2 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LB140DS38 2008-11-11 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 7MHz Bandwidth Part Number: LB140DS38 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -2.597 -12.597 -22.597 -12.097 -11.097 Passband Respond Type Performance -11.597 -32.597 Magnitude(dB) Amplitude ripple(dB) -42.597 -52.597 -62.597 -72.597 -12.597 -13.097 -13.597 -14.097 -82.597 -92.597 -102.597 115 -14.597 120 125 130 135 140 145 Frequency(MHz) 150 155 160 165 -15.097 132 134 136 138 140 Frequency(MHz) 142 144 146 148 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±3.5MHz) Type Performance 1300 20 Phase Linearity(f0±3.5MHz) Type Performance 1250 15 1200 10 1150 1100 Group Delay Time(ns) X: 136.5 Y: 1064 Degree(deg) 1050 X: 140 Y: 1043 5 X: 143.5 Y: 1035 X: 136.5 Y: -0.2113 X: 140 Y: -0.4324 X: 143.5 Y: 2.146 0 1000 950 -5 900 -10 850 800 -15 750 134 136 138 140 Frequency(MHz) 142 144 146 -20 134 136 138 140 Frequency(MHz) 142 144 146 Horizontal: 2MHz/Div Vertical: 50ns/Div Horizontal: 2MHz/Div Vertical: 5deg/Div Smith Chart S11 +j1.0 +j0.5 +j2.0 Smith Chart S22 +j1.0 +j0.5 +j2.0 +j0.2 +j5.0 +j0.2 +j5.0 0.2 0.5 1.0 2.0 5.0 0.2 0.5 1.0 2.0 0.0 ∞ 5.0 0.0 ∞ -j0.2 -j5.0 -j0.2 -j5.0 -j0.5 -j1.0 -j2.0 -j0.5 -j1.0 -j2.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LB140DS38 2008-11-11 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com