LBT70A74

China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 9MHz Bandwidth Part Number: LBT70A74 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 1.2 dB Bandwidth 3 dB Bandwidth 35 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection 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 dB usec dB KHz/°C °C °C °C V dBm - Minimum 69.85 9.4 35 Typical 70 26.9 9.25 9.47 10.33 1 2.28 37 -1.3 112LT 25 Maximum 70.15 28 10.4 1.2 2.4 - -25 -45 0 +85 +105 - 1A 10 SMD20*9.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT70A74 2011-05-13 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 9MHz Bandwidth Part Number: LBT70A74 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 10 5 INPUT 50 C1 L2 L1=(180+22)nH OUTPUT 50 C2 L2=150nH C1=C2=33pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 20.00±0.20 Pad Configuration: 10 9 8 7 6 9.80±0.20 Input: 10 Output: 5 Ground: 1,2,3,4,6,7,8,9 SIPAT LBT70A74 XXYYZZ 1 2 3 4 5 Marking Configuration: 1) •: Pad Number 1 Index 1.66±0.21 2) SIPAT: Manufacturer Name 3) LBT70A74: Part Number 4) XXYY: Date(Year/month) 5) ZZ: Identified Code 0.62 1 2 3 4 5 10 1.905 9 8 7 6 2.30 1.02 Package: SMD20*9.8 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. LBT70A74 2011-05-13 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 9MHz Bandwidth Part Number: LBT70A74 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance -16.8876 -26.8876 -36.8876 -26.3876 -25.3876 Passband Response Type Performance -25.8876 -46.8876 Magnitude(dB) Amplitude ripple(dB) -56.8876 -66.8876 -76.8876 -86.8876 -26.8876 -27.3876 -27.8876 -28.3876 -96.8876 -106.8876 -116.8876 45 -28.8876 50 55 60 65 70 75 Frequency(MHz) 80 85 90 95 -29.3876 60 62 64 66 68 70 Frequency(MHz) 72 74 76 78 80 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±4.5MHz) Type Performance 2600 15 Phase Linearity(f0±4.5MHz) Type Performance 2500 10 2400 5 Group Delay Time(ns) X: 65.5 Y: 2286 X: 74.5 Y: 1.832 Degree(deg) 2300 X: 74.5 Y: 2263 X: 70 Y: 2281 0 X: 65.5 Y: 1.532 2200 X: 70 Y: -1.418 -5 2100 -10 2000 1900 60 62 64 66 68 70 Frequency(MHz) 72 74 76 78 80 -15 60 62 64 66 68 70 Frequency(MHz) 72 74 76 78 80 Horizontal: 2MHz/Div Vertical: 100ns/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. LBT70A74 2011-05-13 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com