LBT70A73

China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 9MHz Bandwidth Part Number: LBT70A73 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 40 dB Bandwidth Passband Variation(f0±4.5MHz) Group Delay Variation(f0±4.5MHz) Absolute Delay f0±5.2MHz f0±6MHz Ultimate Rejection f0±10MHz f0±15MHz 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 dB nsec usec dB dB dB dB KHz/°C °C V dBm - Minimum 69.85 9.2 9.4 30 40 40 40 Typical 70 27.6 9.31 9.49 10.36 0.8 60 2.28 41 45 46 47 -1.26 112LT 25 0 Maximum 70.15 28 10.4 1.2 200 2.4 - - 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. LBT70A73 2011-03-23 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: LBT70A73 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 L2 L1=220nH L2=150nH OUTPUT 50Ω C2 Notes - Component values may change depending on board layout. INPUT 50Ω C1 C1=36pF C2=27pF Source/Load Impedance=50 ohm Package Dimension 35.00 0.50 Pad Configuration: 12.80 0.50 SIPAT LBT70A73 XXYYZZ Input Output 1 5 Ground 2,3,4,6 4.70 0.50 4.50 0.50 Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT70A73: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 0.45 0.05 2.54 0.20 7.62 0.50 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 0.50 2.54 0.20 Unit: mm Part Number Rev. Date Ver. LBT70A73 2011-03-23 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: LBT70A73 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance -17.6407 -27.6407 -37.6407 -27.1407 -26.1407 Passband Response Type Performance -26.6407 -47.6407 Magnitude(dB) Amplitude ripple(dB) -57.6407 -67.6407 -77.6407 -87.6407 -27.6407 -28.1407 -28.6407 -29.1407 -97.6407 -107.6407 -117.6407 45 -29.6407 50 55 60 65 70 75 Frequency(MHz) 80 85 90 95 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 2500 15 Phase Linearity(f0±4.5MHz) Type Performance 2450 2400 10 2350 5 Group Delay Time(ns) 2300 X: 65.5 Y: 2280 X: 70 Y: 2280 X: 74.5 Y: 2262 X: 65.5 Y: 1.156 X: 70 Y: 0.04389 Degree(deg) 0 X: 74.5 Y: -1.508 2250 2200 -5 2150 -10 2100 -15 2050 2000 62 64 66 68 70 Frequency(MHz) 72 74 76 78 -20 62 64 66 68 70 Frequency(MHz) 72 74 76 78 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. LBT70A73 2011-03-23 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com