70MHz SAW Filter 5MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBN70A71 www.sipatsaw.com Features For IF SAW filter High attenuation Single-ended operation Dual In-line Package No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 69.9 70 70.1 Insertion Loss dB - 22.4 26 1 dB Bandwidth MHz 4.65 4.74 - 3 dB Bandwidth MHz - 4.97 - 40 dB Bandwidth MHz - 5.94 6 Passband Variation dB - 0.5 1 Absolute Delay usec - 2.5 - Ultimate Rejection dB 50 55 - Material Temperature coefficient KHz/°C -6.58 Substrate Material - YZ LN Ambient Temperature °C 25 DC Voltage V 0 Input Power dBm ESD Class - - - 10 1A DIP2712 (27.0x12.8x4.7mm3) 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 LBN70A71 Rev. Date 2011-01-12 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: LBN70A71 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 27.00 0.50 Pad Configuration: 12.80 0.50 SIPAT LBN70A71 XXYYZZ 1 Output 5 Ground All Others 4.30 0.50 4.50 0.50 0.45 0.05 Input Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBN70A71: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 2.54 0.20 2.54 0.20 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: DIP2712 7.62 0.50 4 3 2 17.70 0.50 Part Number LBN70A71 Rev. Date 2011-01-12 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: LBN70A71 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance Type Performance -12.3897 -20.8897 -22.3897 -21.3897 -32.3897 -21.8897 -42.3897 -22.3897 A m plitude ripple(dB ) Magnitude(dB) -52.3897 -62.3897 -72.3897 -22.8897 -23.3897 -82.3897 -23.8897 -92.3897 -24.3897 -102.3897 -112.3897 60 62 64 66 68 70 72 Frequency(MHz) Horizontal: 2MHz/Div 74 76 78 -24.8897 65 80 Vertical: 10dB/Div 66 67 68 69 70 Frequency(MHz) 71 Horizontal: 1MHz/Div Group Delay Variation(f0±2MHz) 72 73 74 75 Vertical: 0.5dB/Div Phase Linearity(f0±2MHz) Typical Performance typical Performance 3200 15 3000 10 X: 68 Y: 2508 5 Degree(deg) X: 72 Y: 2580 X: 70 Y: 2451 2200 -5 2000 -10 1800 -15 68 69 70 Frequency(MHz) Horizontal: 1MHz/Div 71 72 X: 72 Y: 0.6603 67 73 Vertical: 200ns/Div 68 69 Horizontal: 1MHz/Div Smith Chart S11 0.0 ∞ -j0.2 -j5.0 -j0.5 +j5.0 0.5 5.0 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 73 Vertical: 5deg/Div +j0.5 +j2.0 0.5 72 +j1.0 +j0.5 ∞ -j5.0 -j0.5 -j2.0 -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 67 X: 70 Y: -1.488 0 2.0 2400 X: 68 Y: 1.538 1.0 2600 0.2 Group Delay Time(ns) 2800 Part Number LBN70A71 Rev. Date 2011-01-12 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3