122.75MHz SAW Filter 2.6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS12303 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 122.65 122.75 122.85 Insertion Loss dB - 23.9 26 3dB Bandwidth MHz 2.55 2.61 - 30dB Bandwidth MHz - 3.27 3.3 45dB Bandwidth MHz 3.43 3.7 50dB Bandwidth MHz 3.48 4.3 Passband Variation dB - 0.4 1 Absolute Delay usec - 3.48 4.0 Ultimate Rejection(f0±6.25MHz) dB 50 53 - Material Temperature coefficient KHz/°C 0.12 Substrate Material - ST-QZ Ambient Temperature °C 25 Operating Temperature Range °C -25 - +85 Storage Temperature Range °C -45 - +105 DC Voltage V Input Power dBm ESD Class - 0 - - 10 1C DIP3512 (35*12.6*5.2mm3) 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 +86-23-62808818 Phone:Tel: +86-23-62920684 Part Number LBS12303 Rev. Date 2011-12-12 Ver. 1.0 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 1/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 122.75MHz SAW Filter 2.6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS12303 www. sipatsaw.com Matching Configuration 手动测试座 L1=100nH L2=82nH C1=33 pF C2=39pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 35.00 0.50 Pad Configuration: 12.80 0.50 SIPAT LBS12303 XXYYZZ 1 Output 5 Ground All Others 4.70 0.50 4.50 0.50 0.45 0.05 Input Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS12303: Part Number 3)XXYY: Date Code 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 +86-23-62808818 Phone:Tel: +86-23-62920684 5 6 1 Package: DIP3512 7.62 0.50 4 3 2 25.40 0.50 Part Number LBS12303 Rev. Date 2011-12-12 Ver. 1.0 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 2/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected] 122.75MHz SAW Filter 2.6MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBS12303 www. sipatsaw.com Typical Performance Frequency Respond Passband Respond Type Performance -21.3955 -23.8955 -21.8955 -33.8955 -22.3955 -43.8955 -22.8955 Amplitude ripple(dB) Magnitude(dB) Type Performance -13.8955 -53.8955 -63.8955 -73.8955 -23.3955 -23.8955 -24.3955 -83.8955 -24.8955 -93.8955 -25.3955 -103.8955 -25.8955 -113.8955 -26.3955 114 116 118 120 122 124 126 Frequency(MHz) Horizontal: 2MHz/Div 128 130 132 Vertical: 10dB/Div 120.5 121 121.5 122 122.5 123 123.5 124 124.5 125 125.5 Frequency(MHz) Horizontal: 0.5MHz/Div Group Delay Variation Vertical: 0.5dB/Div Phase Linearity Type Performance Type Performance 10 8 6 4 Degree(deg) Group Delay Time(ns) 4500 4000 X: 122.8 Y: 3508 X: 121.5 Y: 3437 3500 X: 124.1 Y: 3462 2 0 X: 124.1 Y: 2.297 X: 122.8 Y: -1.251 X: 121.5 Y: -1.726 -2 -4 3000 -6 121 122.5 123 Frequency(MHz) Horizontal: 0.5MHz/Div 123.5 124 121.5 122 124.5 Vertical: 500ns/Div 122.5 123 Frequency(MHz) Horizontal: 0.5MHz/Div Smith Chart S11 0.0 0.5 ∞ -j5.0 -j0.5 +j5.0 0.2 5.0 2.0 1.0 -j0.2 +j2.0 +j0.2 +j5.0 0.5 Vertical: 2deg/Div +j0.5 +j2.0 +j0.2 0.2 124.5 +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 +86-23-62808818 Phone:Tel: +86-23-62920684 124 Smith Chart S22 +j1.0 0.0 123.5 5.0 122 2.0 121.5 1.0 121 Part Number LBS12303 Rev. Date 2011-12-12 Ver. 1.0 Fax: +86-23-62808382 Fax: +86-23-62805284 Page 3/3 www.sipatsaw.com / [email protected] www.sipatsaw.com / [email protected]