LBT70A70

China Electronics Technology Group Corporation No.26 Research Institute 70MHz SAW Filter 7MHz Bandwidth Part Number: LBT70A70 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 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay f0±4.1MHz Ultimate Rejection f0±4.3MHz f0±4.7MHz f0±8.7MHz 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 usec dB dB dB dB KHz/°C °C V dBm - Minimum 69.85 7.4 35 45 50 55 Typical 70 27.2 7.24 7.45 8.17 0.8 4.4 40 57 59 61 -1.3 112LT 25 0 Maximum 70.15 30 1 - - 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. LBT70A70 2010-09-29 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 7MHz Bandwidth Part Number: LBT70A70 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1=82nH INPUT 50Ω L1 L2 L4 OUTPUT 50Ω L2=33nH L3=120nH L4=68nH Source/Load Impedance=50 ohm L3 Notes - Component values may change depending on board layout. Package Dimension 35.00 0.50 12.80 0.50 SIPAT LBT70A70 XXYYZZ Pad Configuration: Input Output 1 5 Ground All Others 4.70 0.50 4.50 0.50 Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT70A70: 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. LBT70A70 2010-09-29 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 7MHz Bandwidth Part Number: LBT70A70 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance -17.245 -27.245 -37.245 -26.745 -25.745 Passband Response Type Performance -26.245 -47.245 Magnitude(dB) Amplitude ripple(dB) -57.245 -67.245 -77.245 -87.245 -27.245 -27.745 -28.245 -28.745 -97.245 -107.245 -117.245 55 -29.245 60 65 70 Frequency(MHz) 75 80 85 -29.745 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±3.5MHz) Type Performance 4600 Phase Linearity(f0±3.5MHz) Type Performance 4550 15 4500 10 4450 X: 66.47 Y: 4392 X: 70 Y: 4393 X: 73.53 Y: 4384 5 X: 73.53 Y: 1.946 Group Delay Time(ns) 4400 Degree(deg) 4350 0 X: 66.47 Y: -1.542 X: 70 Y: -0.8375 4300 -5 4250 -10 4200 4150 -15 4100 65 66 67 68 69 70 Frequency(MHz) 71 72 73 74 75 65 66 67 68 69 70 Frequency(MHz) 71 72 73 74 75 Horizontal: 1MHz/Div Vertical: 50ns/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. LBT70A70 2010-09-29 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com