LBS20502

China Electronics Technology Group Corporation No.26 Research Institute 204.8MHz SAW Filter 1.2MHz Bandwidth Part Number:LBS20502 SIPAT Co., Ltd. www.sipatsaw.com Features � � � � � � For IF SAW filter High attenuation Single-ended operation Dual In-line Package No matching required for operation at 50Ω RoHS compliant (2002/95/EC), Pb-free Specifications Parameter Center Frequency Insertion Loss 3dB Bandwidth 40dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection (f0±1.8MHz) Material Temperature coefficient Substrate Material Ambient Temperature Operating Temperature Range Storage 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. dB usec dB KHz/°C °C °C °C V dBm -25 -45 50 Unit MHz dB MHz Minimum 204.62 1.2 Typical 204.8 22.8 1.26 1.97 0.4 3.52 51 0.21 ST42QZ 25 0 1C Maximum 204.98 24 2.0 1.0 4.0 - +85 +85 10 DIP2712 (27*12.8*4.7mm3) SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Phone: +86-23-62920684 Part Number Rev. Date Ver. LBS20502 2012-03-09 1.0 Page 1/3 Fax: +86-23-62808382 Fax: +86-23-62805284 www.sipatsaw.com / sales@sipat.com www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 204.8MHz SAW Filter 1.2MHz Bandwidth Part Number:LBS20502 SIPAT Co., Ltd. www.sipatsaw.com Matching Configuration 手动测试座 L1=27nH C1=22pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension 27.00 0.50 Pad Configuration: SIPAT LBS20502 XXYYZZ Input Output 1 5 12.80 0.50 4.30 0.50 4.50 0.50 Ground 2、3、4、6 Marking Configuration: 1) SIPAT: Manufacturer Name 2) LBS20502: Part Number 3) XXYY: Date(Year/month) 4) ZZ: Identified Code 0.45 0.05 2.54 0.20 7.62 0.50 3 6 Package: DIP3512 SIPAT Co., Ltd. ( CETC No.26 Research Institute ) #14 Nanping Huayuan Road, Chongqing, China, 400060 Tel: +86-23-62808818 Phone: +86-23-62920684 2 1 4 5 17.70 0.50 2.54 0.20 Unit: mm Part Number Rev. Date Ver. LBS20502 2012-03-09 1.0 Page 2/3 Fax: +86-23-62808382 Fax: +86-23-62805284 www.sipatsaw.com / sales@sipat.com www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 204.8MHz SAW Filter 1.2MHz Bandwidth Part Number:LBS20502 SIPAT Co., Ltd. www.sipatsaw.com Typical Performance Frequency Response Type Performance -12.7912 -22.7912 -32.7912 -42.7912 Passband Response Type Performance -20.2912 -20.7912 -21.2912 -21.7912 Amplitude ripple(dB) -22.2912 -22.7912 -23.2912 -23.7912 -24.2912 -24.7912 Magnitude(dB) -52.7912 -62.7912 -72.7912 -82.7912 -92.7912 -102.7912 -112.7912 200 201 202 203 204 205 206 Frequency(MHz) 207 208 209 -25.2912 203.5 204 204.5 205 Frequency(MHz) 205.5 206 Horizontal: 1MHz/Div Vertical: 10dB/Div Horizontal: 0.5MHz/Div Vertical: 0.5dB/Div Group Delay Variation Type Performance Phase Linearity Type Performance 12 10 8 6 4 Degree(deg) 2 0 -2 -4 -6 -8 X: 204.2 -10 Y: -9.839 X: 204.8 Y: -0.5594 X: 205.4 Y: -0.7294 4600 4400 4200 Group Delay Time(ns) 4000 3800 3600 3400 3200 3000 2800 204 204.2 204.4 204.6 204.8 205 205.2 Frequency(MHz) 205.4 205.6 205.8 X: 204.8 Y: 3545 X: 204.2 Y: 3355 X: 205.6 Y: 3579 204 204.2 204.4 204.6 204.8 205 Frequency(MHz) 205.2 205.4 205.6 Horizontal: 0.2MHz/Div Vertical: 200ns/Div Horizontal: 0.2MHz/Div Vertical: 2deg/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 0.0 ∞ 0.0 5.0 0.2 0.5 1.0 2.0 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 Phone: +86-23-62920684 Part Number Rev. Date Ver. LBS20502 2012-03-09 1.0 Page 3/3 Fax: +86-23-62808382 Fax: +86-23-62805284 www.sipatsaw.com / sales@sipat.com www.sipatsaw.com / sawmkt@sipat.com