LBS23701

China Electronics Technology Group Corporation No.26 Research Institute 237.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS23701 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth Unit MHz dB MHz MHz MHz Minimum 237.35 5 45 Typical 237.5 29 4.81 5.02 5.65 5.78 5.87 0.4 3.94 50 0.2375 25 Maximum 237.65 30 5.7 5.9 0.7 4 - 40 dB Bandwidth 50 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size MHz MHz dB usec dB KHz/°C °C DIP3512 (35.0x12.8x4.7mm3) Notes: 1. All specifications are based on the test circuit shown 2. In production, devices will be tested at room temperature to a guardbanded specification to ensure electrical compliance over 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 Matching Configuration INPUT 50Ω C1 L1 L1=27nH L2 OUTPUT 50Ω C2 L2=18nH C1=27pF C2=(22+6.8)pF Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS23701 2006-5-23 1.0 Page 1/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 237.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS23701 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 35.00±0.5 12.80±0.5 4.7 4.5 0.45±0.05 2.54±0.2 7.62±0.2 3 6 2 1 4 5 25.40±0.2 2.54±0.2 Input Output Ground 1 5 2,3,4,6 Package: DIP3512 Unit: mm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS23701 2006-5-23 1.0 Page 2/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 237.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS23701 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -24 Passband Respond -28.8687 -25 -38.8687 -26 -48.8687 -27 -58.8687 -28 -68.8687 -29 -30 -78.8687 -31 -88.8687 -32 -98.8687 -33 -108.8687 229.5 231.5 233.5 235.5 237.5 239.5 241.5 243.5 245.5 233 234 235 236 237 238 239 240 241 242 Group Delay Variation(f0±2.4MHz) Phase Linearity(f0±2.4MHz) Smith Chart S11 Smith Chart S22 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS23701 2006-5-23 1.0 Page 3/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com