70MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A61 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 69.9 70 70.1 Insertion Loss dB - 26 30 3 dB Bandwidth MHz 2.5 2.6 - Passband Variation dB - 0.5 1 Absolute Delay usec - 3.78 4 f0±1.7MHz dB 35 47 - f0±1.9MHz dB 45 51 - f0±2.3MHz dB 50 58 - f0±6.3MHz dB 55 62 - f0±15MHz dB 55 62 - 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 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 LBS70A61 Rev. Date 2008-06-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 70MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A61 www. sipatsaw.com Matching Configuration INPUT 50Ω L1 L1=330nH L2=270nH L2 OUTPUT 50Ω C1=22pF Source/Load Impedance=50 ohm C1 Notes - Component values may change depending on board layout. Package Dimension 35.00 0.5 Pad Configuration: 12.80 0.5 SIPAT LBS70A61 XXYYZZ Input 1 Output 5 Ground All Others 4.7 Marking Configuration: 1) SIPAT: Manufacturer Name 4.5 2) LBS70A61: Part Number 0.45 0.05 3) XXYY: Date(Year/month) 4) ZZ: Identified 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 LBS70A61 Rev. Date 2008-06-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 70MHz SAW Filter 3MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS70A61 www. sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance -15.9266 -24.4266 -25.9266 -24.9266 -35.9266 -25.4266 Magnitude(dB) -45.9266 -25.9266 -55.9266 -65.9266 -26.4266 -75.9266 -26.9266 -85.9266 -27.4266 -95.9266 -27.9266 -105.9266 -115.9266 60 62 64 66 68 70 72 Frequency(MHz) Horizontal: 2MHz/Div 74 76 78 67.5 80 Vertical: 10dB/Div 68 68.5 69 69.5 70 70.5 71 Horizontal: 0.5MHz/Div Group Delay Variation(f0±1MHz) 71.5 72 72.5 Vertical: 0.5dB/Div Phase Linearity(f0±1MHz) Type Performance Type Performance 4100 10 4000 5 3900 X: 69 Y: 3819 X: 70 Y: 3806 X: 71 Y: 3790 X: 71 Y: 0.364 X: 70 Y: -0.0915 X: 69 Y: -0.4272 0 Degree(deg) Group Delay Time(ns) 3800 3700 -5 3600 3500 -10 3400 69 69.5 70 Frequency(MHz) 70.5 Horizontal: 0.5MHz/Div 71 71.5 72 -15 67.5 72.5 Vertical: 100ns/Div 68 68.5 69 69.5 +j2.0 72.5 +j5.0 0.0 0.5 ∞ -j5.0 -j0.2 +j2.0 +j0.2 0.2 5.0 2.0 1.0 0.5 72 Vertical: 5deg/Div +j0.5 +j5.0 +j0.2 0.2 71.5 +j1.0 +j0.5 ∞ -j5.0 -j0.2 -j2.0 -j2.0 -j0.5 -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 -j0.5 70.5 Horizontal: 0.5MHz/Div Smith Chart S11 0.0 70 Frequency(MHz) 5.0 68.5 2.0 68 1.0 3300 67.5 Part Number LBS70A61 Rev. Date 2008-06-06 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3