128MHz SAW Filter 6.4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T12802 Part Number: LB LBT12802 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 127.85 128 128.15 Insertion Loss dB - 22.3 28 3dB Bandwidth MHz 6.4 6.47 - 27dB Bandwidth MHz - 7.10 7.2 45dB Bandwidth MHz - 7.27 7.6 Passband Variation dB - 0.5 1.2 Ultimate Rejection(F0±8.2MHz) dB 50 52 - Absolute Delay usec - 4.00 4.2 Material Temperature coefficient KHz/°C - -2.30 - Substrate Material - 112-LT Ambient Temperature °C 25 Operating Temperature Range °C -25 - +85 °C -45 - +105 Input Power dBm - - 10 ESD Class - Storage Temperature Range 1A DIP3512 (35.0x12.8x4.7) 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. Part Number LBT12802 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-12-23 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 1/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 128MHz SAW Filter 6.4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T12802 Part Number: LB LBT12802 www.sipatsaw.com Matching Configuration 手动测试座 33nH L1= L1=33nH L1 INPUT 50 L2 1 36pF C2= 36 pF C1= C1=36pF C2=36 36pF OUTPUT 50 5 C1 27 nH L2= L2=27 27nH Source/Load Impedance=50 ohm C2 Notes - Component values may change depending on board layout. Package Dimension 35.00 0.50 Pad Configuration Configuration:: 12.80 0.50 SIPAT LBT12802 XXYYZZ 1 Output 5 Ground 2,3,4,6 4.70 0.50 4.50 0.50 0.45 0.05 Input Marking Configuration Configuration:: 1) SIPAT: Manufacturer Name 2) LBT12802: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 2.54 0.20 5 6 1 35 12 Package: DIP DIP35 3512 7.62 0.50 4 3 2 25.40 0.50 2.54 0.20 Unit: mm SIPAT Co., Ltd. Part Number LBT12802 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-12-23 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 2/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 128MHz SAW Filter 6.4MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. T12802 Part Number: LB LBT12802 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance -19.8051 -22.3051 -20.3051 -32.3051 -20.8051 -42.3051 -21.3051 -52.3051 -21.8051 Amplitude ripple(dB) Magnitude(dB) Type Performance -12.3051 -62.3051 -72.3051 -82.3051 -22.3051 -22.8051 -23.3051 -92.3051 -23.8051 -102.3051 -24.3051 -112.3051 115 120 125 130 Frequency(MHz) Horizontal: 5MHz/Div 135 -24.8051 140 Vertical: 10dB/Div 123 124 125 126 127 128 129 Frequency(MHz) 130 Horizontal: 1MHz/Div Group Delay Variation 131 132 133 Vertical: 0.5dB/Div Phase Linearity Type Performance Type Performance 20 5000 15 5 4000 Degree(deg) Group Delay Time(ns) 10 4500 X: 131.2 Y: 3931 X: 124.8 Y: 3922 3500 X: 131.2 Y: 4.788 X: 124.8 Y: -2.849 0 -5 -10 -15 3000 -20 124 125 126 127 128 129 Frequency(MHz) Horizontal: 1MHz/Div 130 131 132 124 Vertical: 500ns/Div 125 126 127 128 129 Frequency(MHz) Horizontal: 1MHz/Div Smith Chart S11 130 131 Vertical: 5deg/Div Smith Chart S22 +j1.0 +j1.0 +j0.5 +j0.5 +j2.0 +j2.0 +j0.2 +j5.0 5.0 2.0 1.0 5.0 2.0 1.0 0.5 0.2 0.0 0.5 +j5.0 0.2 +j0.2 0.0 132 -j0.2 -j0.2 ∞ ∞ -j5.0 -j5.0 -j0.5 -j0.5 -j2.0 -j2.0 -j1.0 -j1.0 SIPAT Co., Ltd. Part Number LBT12802 ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Rev. Date 2013-12-23 Ver. 1.0 Tel: +86-23-62808818 Phone: +86-23-62920684 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 3/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected]