94502

China Electronics Technology Group Corporation No.26 Research Institute 945MHz SAW Filter 30MHz Bandwidth Part Number: LBT94502 www.sipatsaw.com SIPAT Co., Ltd. Features For RF SAW filter Single-ended operation Ceramic Surface Mount Package Small size No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss(930~960MHz) 1 dB Bandwidth 3 dB Bandwidth Passband variation(930~960MHz) DC～885MHz 885～915MHz Ultimate Rejection 990～1050MHz 1050～2000MHz Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage Temperature Range DC Voltage Input Power ESD Class Package Size Notes: 1. 2. 3. 4. 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; Electrical margin has been built into the design to account for the variations due to temperature drift and manufacturing tolerances; This is the optimum impedance in order to achieve the performance show. Unit MHz dB MHz MHz dB dB dB dB dB KHz/°C °C °C °C V dBm - Minimum 30 40 48 18 20 30 Typical 945 2.4 35.1 40.13 0.8 56 23 39 34 -30.24 42LT 25 Maximum 3.6 1.8 - -40 -45 - 0 1A +85 +105 10 SMD3.8*3.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Part Number Rev. Date Ver. LBT94502 2009-09-28 1.0 Page 1/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 945MHz SAW Filter 30MHz Bandwidth Part Number: LBT94502 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration Source/Load Impedance=50 ohm INPUT 50Ω OUTPUT 50Ω Notes - Component values may change depending on board layout. Package Dimension 3.80 0.15 8 7 1 Pad Configuration: Input: 3.80 0.20 2 94502 XXYY 4 Output: 6 Ground: All Others 6 1.20MAX 1.50 Package: SMD3.8*3.8 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 2 3 1.00 7 6 1.27 5 5 Marking Configuration: 1) •: Pad Number 1 Index 2) 94502: Part Number 3) XXYY: Date(Year/month) 1.90 8 1 2 3 4 1.80 Fax: +86-23-62808382 0.60 Unit: mm Part Number Rev. Date Ver. LBT94502 2009-09-28 1.0 Page 2/3 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 945MHz SAW Filter 30MHz Bandwidth Part Number: LBT94502 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Type Performance 8.3846 -1.6154 -11.6154 -1.1154 -0.1154 Passband Respond Type Performance -0.6154 -21.6154 Magnitude(dB) A m plitude ripple(dB ) -31.6154 -41.6154 -51.6154 -61.6154 -1.6154 -2.1154 -2.6154 -3.1154 -71.6154 -81.6154 -91.6154 700 750 800 850 900 950 1000 Frequency(MHz) 1050 1100 1150 -3.6154 900 920 940 Frequency(MHz) 960 980 1000 Horizontal: 50MHz/Div Vertical: 10dB/Div Horizontal: 20MHz/Div Vertical: 0.5dB/Div Group Delay Variation(f0±15MHz) Type Performance 100 40 Phase Linearity(f0±15MHz) Type Performance 30 80 20 60 10 X: 930 Y: 43.34 X: 960 Y: 38.99 X: 930 Y: 5.264 X: 945 Y: -1.756 X: 960 Y: 2.372 G roup Delay T im e(ns ) 40 D egree(deg) 950 960 970 980 990 X: 945 Y: 31.01 0 20 -10 -20 0 -30 -20 -40 -40 900 910 920 930 940 Frequency(MHz) -50 900 910 920 930 940 Frequency(MHz) 950 960 970 980 990 Horizontal: 10MHz/Div Vertical: 20ns/Div Horizontal: 10MHz/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 ∞ 0.0 5.0 ∞ -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. LBT94502 2009-09-28 1.0 Page 3/3 Fax: +86-23-62808382 www.sipatsaw.com / sawmkt@sipat.com