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| China Electronics Technology Group Corporation No.26 Research Institute 140MHz SAW Filter 7MHz Bandwidth Part Number: LBT140A20 www.sipatsaw.com SIPAT Co., Ltd. Features For IF SAW filter High attenuation Single-ended operation Dual In-line Package RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss 1.2 dB Bandwidth 3 dB Bandwidth 23 dB Bandwidth 38 dB Bandwidth 50 dB Bandwidth 56 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection(f05.2MHz) 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 MHz MHz MHz MHz MHz MHz dB usec dB KHz/C C C C V dBm - Minimum 6.4 6.6 56 Typical 140 31.7 6.44 6.6 7.13 7.28 7.36 7.51 0.7 4.42 58 -2.52 112LT 25 Maximum 34 7.2 7.6 8.4 10.4 1.2 4.5 - -40 -45 0 +85 +105 - 1A 10 DIP3512 (35.0x12.8x4.7mm3) SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT140A20 2008-08-01 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: LBT140A20 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 C2 L1=47nH OUTPUT 50 L2 L2=33nH INPUT 50 C1 C1=C2=56pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 35.00 0.5 Pad Configuration: 12.80 0.5 SIPAT LBT140A20 XXYYZZ Input Output 1 5 Ground All Others 4.7 4.5 Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT140A20: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 0.45 0.05 2.54 0.2 7.62 0.2 3 6 Package: DIP3512 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 2 1 4 5 25.40 0.2 2.54 0.2 Unit: mm Part Number Rev. Date Ver. LBT140A20 2008-08-01 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: LBT140A20 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance -21.6548 -31.6548 -41.6548 -31.1548 -30.1548 Passband Respond Type Performance -30.6548 -51.6548 Magnitude(dB) Amplitude ripple(dB) -61.6548 -71.6548 -81.6548 -91.6548 -31.6548 -32.1548 -32.6548 -33.1548 -101.6548 -111.6548 -121.6548 125 -33.6548 130 135 140 Frequency(MHz) 145 150 155 134 136 138 140 Frequency(MHz) 142 144 146 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f03MHz) Type Performance 4800 30 Phase Linearity(f03MHz) Type Performance 4700 20 4600 10 4500 X: 137 Y: 4460 X: 140 Y: 4418 X: 143 Y: 4390 X: 137 Y: 1.488 Group Delay Time(ns) 4300 Degree(deg) 4400 0 X: 140 Y: -1.247 X: 143 Y: 0.87 -10 4200 -20 4100 -30 4000 3900 134 136 138 140 Frequency(MHz) 142 144 146 -40 134 136 138 140 Frequency(MHz) 142 144 146 Horizontal: 2MHz/Div Vertical: 100ns/Div Horizontal: 2MHz/Div Vertical: 10deg/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. LBT140A20 2008-08-01 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com |
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