70MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBN70A47 www. sipatsaw.com Features For IF SAW filter High attenuation Single-ended operation No matching required for operation at 50Ω Dual In-line Package RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 69.96 70 70.04 Insertion Loss dB - 22.5 25 1 dB Bandwidth MHz 4.75 4.78 - 3 dB Bandwidth MHz - 4.94 - 40 dB Bandwidth MHz - 5.58 5.62 Passband Variation dB - 0.8 1 Absolute Delay usec - 3.75 - Group Delay(f0±2MHz) nsec - 190 250 Ultimate Rejection dB 40 45 - Material Temperature coefficient KHz/°C -6.58 Substrate Material - YZ LN Ambient Temperature °C 25 Operating Temperature Range °C -40 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V Input Power dBm ESD Class - 0 - - 10 1 DIP3512 (35.0x12.8x4.7mm3) Package Size Notes: 1. All specifications are based on the test circuit shown; 2. 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. SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number LBN70A47 Rev. Date 2007-12-25 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 70MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBN70A47 www. sipatsaw.com Matching Configuration Source/Load Impedance=50 ohm OUTPUT 50Ω INPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 35.00 0.5 Pad Configuration: 12.80 0.5 SIPAT LBN70A47 07XX Input 1 Output 5 Ground All Others 4.7 Marking Configuration: 4.5 1) SIPAT: Manufacturer Name 2) LBN70A47: Part Number 0.45 0.05 3) 07XX: Date Code 2.54 0.2 2.54 0.2 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 5 6 1 Package: DIP3512 7.62 0.2 4 3 2 25.40 0.2 Part Number LBN70A47 Rev. Date 2007-12-25 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 70MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBN70A47 www. sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance -12.4651 -20.9651 -22.4651 -21.4651 -32.4651 -21.9651 Magnitude(dB) -42.4651 -22.4651 -52.4651 -62.4651 -22.9651 -72.4651 -23.4651 -82.4651 -23.9651 -92.4651 -24.4651 -102.4651 -112.4651 60 62 64 66 68 70 72 Frequency(MHz) 74 Horizontal: 2MHz/Div 76 78 65 80 Vertical: 10dB/Div 66 67 68 69 71 Horizontal: 1MHz/Div Group Delay Variation(f0±2MHz) 72 73 74 75 Vertical: 0.5dB/Div Phase Linearity(f0±2MHz) Type Performance Type Performance 4100 20 4000 15 10 3900 X: 70 Y: 3776 3800 X: 72 Y: 3770 5 X: 68 Y: 3715 Degree(deg) 3700 3600 X: 72 Y: 1.65 X: 70 Y: 1.254 X: 68 Y: -1.765 0 -5 -10 3500 -15 3400 -20 3300 -25 69 70 Frequency(MHz) 71 Horizontal: 1MHz/Div 72 73 74 66 Vertical: 100ns/Div 67 68 69 Horizontal: 1MHz/Div Smith Chart S11 +j2.0 74 -j0.5 +j5.0 0.5 0.0 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 73 Vertical: 5deg/Div +j0.5 +j5.0 +j0.2 0.5 72 +j1.0 +j0.5 ∞ -j5.0 -j0.2 -j2.0 -j0.5 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 71 Smith Chart S22 +j1.0 0.0 70 Frequency(MHz) 5.0 68 2.0 67 1.0 3200 66 0.2 Group Delay Time(ns) 70 Part Number LBN70A47 Rev. Date 2007-12-25 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3