LBT25003

China Electronics Technology Group Corporation No.26 Research Institute 250MHz SAW Filter 8MHz Bandwidth Part Number: LBT25003 www.sipatsaw.com SIPAT Co., Ltd. Features For IF SAW filter High attenuation Single-ended operation Dual In-line Package RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth 50 dB Bandwidth Passband Variation Phase Linearity(f0±4MHz) Group Delay Variation(f0±4MHz) Absolute Delay Ultimate Rejection Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. All specifications are based on the test circuit shown; 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. Unit MHz dB MHz MHz MHz MHz dB deg nsec usec dB KHz/°C °C °C V dBm - Minimum 249.8 7.3 8 50 Typical 250 22.2 7.95 8.41 10.14 10.3 0.8 8 50 2.1 57 -4.5 112LT 25 Maximum 250.2 25.5 10.6 11 1 10 210 - -40 0 +85 - 1A 10 DIP2212 (22.2x12.8x4.7mm3) SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT25003 2010-04-07 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 250MHz SAW Filter 8MHz Bandwidth Part Number: LBT25003 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1 L2 L1=5nH OUTPUT 50Ω C2 L2=10nH INPUT 50Ω C1 C1=C2=22pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 22.20 0.50 12.80 0.50 SIPAT LBT25003 XXYYZZ Pad Configuration: Input Output 1 5 Ground All Others 4.30 0.50 4.50 0.50 Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBT25003: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 0.45 0.05 2.54 0.20 7.62 0.20 3 Package: DIP2212 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 2 1 4 5 6 12.70 0.20 2.54 0.20 Unit: mm Part Number Rev. Date Ver. LBT25003 2010-04-07 1.0 Page 2/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 250MHz SAW Filter 8MHz Bandwidth Part Number: LBT25003 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Response Type Performance -12.1658 -22.1658 -32.1658 -42.1658 -52.1658 -62.1658 -72.1658 -82.1658 -92.1658 -102.1658 -112.1658 225 Amplitude ripple(dB) Magnitude(dB) -19.6658 -20.1658 -20.6658 -21.1658 -21.6658 -22.1658 -22.6658 -23.1658 -23.6658 -24.1658 -24.6658 Passband Response Type Performance 230 235 240 245 250 255 Frequency(MHz) 260 265 270 275 244 246 248 250 252 Frequency(MHz) 254 256 Horizontal: 5MHz/Div Vertical: 10dB/Div Horizontal: 2MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±4MHz) Type Performance 2600 Phase Linearity(f0±4MHz) Type Performance 40 2500 30 2400 20 2300 10 2200 G roup Delay T im e(ns ) X: 246 Y: 2103 X: 250 Y: 2145 X: 254 Y: 2123 X: 250 Y: 0.3473 2000 Degree(deg) 2100 0 X: 246 Y: -3.024 X: 254 Y: -0.1761 -10 1900 -20 1800 -30 1700 -40 1600 1500 244 246 248 250 Frequency(MHz) 252 254 256 -50 244 246 248 250 Frequency(MHz) 252 254 256 Horizontal: 2MHz/Div Vertical: 100ns/Div Horizontal: 2MHz/Div Vertical: 10deg/Div Smith Chart S11 +j1.0 +j0.5 +j2.0 Smith Chart S22 +j1.0 +j0.5 +j2.0 +j0.2 +j5.0 +j0.2 +j5.0 0.2 0.5 1.0 2.0 5.0 0.2 0.5 1.0 2.0 0.0 ∞ 5.0 0.0 ∞ -j0.2 -j5.0 -j0.2 -j5.0 -j0.5 -j1.0 -j2.0 -j0.5 -j1.0 -j2.0 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT25003 2010-04-07 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sales@sipat.com