70MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A33 www. sipatsaw.com Features For IF SAW filter High attenuation Single-ended operation Dual In-line Package RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Unit Minimum Typical Maximum Center Frequency MHz 69.95 70 70.05 Insertion Loss dB - 25 27 3 dB Bandwidth MHz 1.75 1.79 - Passband Variation dB - 0.4 1 Absolute Delay usec - 2.76 4 f0±1.3MHz dB 35 38 - f0±1.5MHz dB 45 50 - f0±1.9MHz dB 50 54 - f0±5.9MHz dB 50 55 - f0±15MHz dB 55 57 - Ultimate Rejection Material Temperature coefficient KHz/°C 0.07 Substrate Material - Qz 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 1A DIP2212 (22.2x12.8x4.7mm3) 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 LBS70A33 Rev. Date 2008-03-18 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 70MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A33 www. sipatsaw.com Matching Configuration L1=L2=270nH INPUT 50Ω L1 L2 Source/Load Impedance=50 ohm OUTPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 22.20 0.5 Pad Configuration: 12.80 0.5 SIPAT LBS70A33 08XX Input 1 Output 5 Ground All Others 4.7 Marking Configuration: 4.5 1) SIPAT: Manufacturer Name 2) LBS70A33: Part Number 3) 08XX: Date Code 0.45 0.05 2.54 0.2 5 6 1 2.54 0.2 Package: DIP2212 Unit: mm SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 7.62 0.2 4 3 2 12.70 0.2 Part Number LBS70A33 Rev. Date 2008-03-18 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 70MHz SAW Filter 2MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A33 www. sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance -15.2411 -23.7411 -25.2411 -24.2411 -35.2411 -24.7411 Magnitude(dB) -45.2411 -25.2411 -55.2411 -65.2411 -25.7411 -75.2411 -26.2411 -85.2411 -26.7411 -95.2411 -27.2411 -105.2411 -115.2411 64 66 68 70 72 Frequency(MHz) 74 Horizontal: 2MHz/Div 68 76 Vertical: 10dB/Div 68.5 69 69.5 70 70.5 Horizontal: 0.5MHz/Div Group Delay Variation(f0±0.9MHz) 71 71.5 72 Vertical: 0.5dB/Div Phase Linearity(f0±0.9MHz) Type Performance Type Performance 3000 8 6 2900 4 2 X: 70.9 Y: 2753 X: 69.1 Y: 2703 X: 70 Y: 2736 2700 X: 70.9 Y: 0.5479 X: 69.1 Y: 0.4969 Degree(deg) Group Delay Time(ns) 2800 2600 0 X: 70 Y: 0.5068 -2 -4 -6 2500 -8 69.5 70 Frequency(MHz) 70.5 Horizontal: 0.5MHz/Div 71 71.5 72 Vertical: 100ns/Div 68.5 69 69.5 Horizontal: 0.5MHz/Div Smith Chart S11 +j2.0 72 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 0.5 0.2 71.5 Vertical: 2deg/Div +j0.5 +j5.0 +j0.2 ∞ -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 +j1.0 +j0.5 -j0.5 70.5 Smith Chart S22 +j1.0 0.0 70 Frequency(MHz) 5.0 69 2.0 68.5 -10 68 1.0 2400 68 Part Number LBS70A33 Rev. Date 2008-03-18 Ver. 2.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3