LBT37402

China Electronics Technology Group Corporation No.26 Research Institute 374MHz SAW Filter 4MHz Bandwidth Part Number: LBT37402 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 1 dB Bandwidth 3 dB Bandwidth 20 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection Material Temperature coefficient Substrate Material Ambient Temperature 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 dB usec dB KHz/°C °C V dBm - Minimum 4.45 - Typical 374 15 4.51 5.49 7.05 8.35 0.6 1.6 43 -6.7 112LT 25 0 Maximum 18 7.5 9 1 - - 1A 10 SMD13.3*6.5 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT37402 2011-04-27 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 374MHz SAW Filter 4MHz Bandwidth Part Number: LBT37402 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration INPUT 50 L1 10 5 L3 OUTPUT 50 C2 L1=L3=15nH C1=8.2pF L2=27nH C2=22pF Source/Load Impedance=50 ohm C1 L2 Notes - Component values may change depending on board layout. Package Dimension +0.2 13.3-0.1 Pad Configuration: Input: 10 Output: 5 +0.2 6.5-0.1 SIPAT LBT37402 XXYYZZ Ground: 1,2,3,4,6,7,8,9 Marking Configuration: 1) •: Pad Number 1 Index 0.4 1.51 0.2 0.76 2) SIPAT: Manufacturer Name 3) LBT37402: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 2.9 0.51 1.02 0.13 1.905 0.15 0.6 Package: SMD13.3*6.5 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT37402 2011-04-27 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 374MHz SAW Filter 4MHz Bandwidth Part Number: LBT37402 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance -4.9242 -14.9242 -24.9242 -14.4242 -13.4242 Passband Response Type Performance -13.9242 -34.9242 Magnitude(dB) Amplitude ripple(dB) -44.9242 -54.9242 -64.9242 -74.9242 -14.9242 -15.4242 -15.9242 -16.4242 -84.9242 -94.9242 -104.9242 -16.9242 350 355 360 365 370 375 380 Frequency(MHz) 385 390 395 -17.4242 368 370 372 374 Frequency(MHz) 376 378 380 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±2MHz) Type Performance 2200 25 Phase Linearity(f0±2MHz) Type Performance 20 2000 15 10 1800 5 Group Delay Time(ns) X: 372 Y: 1.924 X: 374 Y: -0.1711 X: 376 Y: 2.597 Degree(deg) 377 378 0 1600 X: 372 Y: 1559 X: 374 Y: 1561 X: 376 Y: 1604 -5 -10 1400 -15 1200 -20 -25 1000 370 371 372 373 374 Frequency(MHz) 375 376 -30 370 371 372 373 374 Frequency(MHz) 375 376 377 378 Horizontal: 1MHz/Div Vertical: 200ns/Div Horizontal: 1MHz/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. LBT37402 2011-04-27 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com