250MHz SAW Filter 8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT25003 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 249.8 250 250.2 Insertion Loss dB - 22.2 25.5 1 dB Bandwidth MHz 7.3 7.95 - 3 dB Bandwidth MHz 8 8.41 - 40 dB Bandwidth MHz - 10.14 10.6 50 dB Bandwidth MHz - 10.3 11 Passband Variation dB - 0.8 1 Phase Linearity(f0±4MHz) deg - 8 10 Group Delay Variation(f0±4MHz) nsec - 50 210 Absolute Delay usec - 2.1 - Ultimate Rejection dB 50 57 - Material Temperature coefficient KHz/°C -4.5 Substrate Material - 112LT Ambient Temperature °C 25 Operating Temperature Range °C DC Voltage V Input Power dBm ESD Class - -40 - +85 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 LBT25003 Rev. Date 2010-04-07 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 1/3 250MHz SAW Filter 8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT25003 www.sipatsaw.com Matching Configuration L1 INPUT 50Ω L1=5nH L2 OUTPUT 50Ω L2=10nH C1=C2=22pF Source/Load Impedance=50 ohm C1 C2 Notes - Component values may change depending on board layout. Package Dimension 22.20 0.50 Pad Configuration: 12.80 0.50 SIPAT LBT25003 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) LBT25003: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 2.54 0.20 5 6 1 2.54 0.20 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 0.20 4 3 2 12.70 0.20 Part Number LBT25003 Rev. Date 2010-04-07 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 2/3 250MHz SAW Filter 8MHz Bandwidth China Electronics Technology Group Corporation No.26 Research Institute SIPAT Co., Ltd. Part Number: LBT25003 www.sipatsaw.com Typical Performance Frequency Response Passband Response Type Performance -19.6658 -22.1658 -20.1658 -32.1658 -20.6658 -42.1658 -21.1658 Amplitude ripple(dB) -12.1658 -52.1658 -62.1658 -72.1658 -21.6658 -22.1658 -22.6658 -82.1658 -23.1658 -92.1658 -23.6658 -102.1658 -24.1658 -112.1658 225 230 235 240 245 250 255 Frequency(MHz) 260 Horizontal: 5MHz/Div 265 270 -24.6658 275 Vertical: 10dB/Div 244 246 248 250 252 Frequency(MHz) Horizontal: 2MHz/Div Group Delay Variation(f0±4MHz) 254 256 Vertical: 0.5dB/Div Phase Linearity(f0±4MHz) Type Performance Type Performance 40 2600 2500 30 2400 20 2300 10 2200 X: 250 Y: 2145 X: 254 Y: 2123 X: 246 Y: 2103 X: 250 Y: 0.3473 2100 Degree(deg) G roup Delay T im e(ns ) 2000 X: 254 Y: -0.1761 X: 246 Y: -3.024 0 -10 1900 -20 1800 -30 1700 -40 1600 250 Frequency(MHz) 252 Horizontal: 2MHz/Div 254 -50 256 Vertical: 100ns/Div 244 246 248 ∞ 0.0 +j5.0 0.5 2.0 -j0.2 +j2.0 +j0.2 +j5.0 0.2 +j0.2 1.0 Vertical: 10deg/Div +j0.5 +j2.0 0.5 256 +j1.0 +j0.5 -j0.2 -j5.0 ∞ -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 254 Smith Chart S22 +j1.0 -j0.5 252 Horizontal: 2MHz/Div Smith Chart S11 0.0 250 Frequency(MHz) 5.0 248 2.0 246 1.0 244 5.0 1500 0.2 Magnitude(dB) Type Performance Part Number LBT25003 Rev. Date 2010-04-07 Ver. 1.0 Fax: +86-23-62808382 Page www.sipatsaw.com / [email protected] 3/3