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| China Electronics Technology Group Corporation No.26 Research Institute 204MHz SAW Filter 2MHz Bandwidth Part Number: LBS20402 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 30 dB Bandwidth 40 dB Bandwidth 45 dB Bandwidth Passband Variation Absolute Delay Group Delay Variation Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz MHz MHz dB usec nsec Minimum 203.9 1 1.8 45 Typical 204 13.5 1.13 1.9 4.9 5.34 5.52 0.4 0.88 40 49 0.204 25 0705A Maximum 204.1 15 5.1 5.6 15 1 200 - dB KHz/C C 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 L1 L2 L1=(47+27)nH L2=(18+68)nH C1=C2=56pF C1 C2 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. LBS20402 2005-11-14 1.0 Page 1/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 204MHz SAW Filter 2MHz Bandwidth Part Number: LBS20402 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 8 9 7 6 5 10 1 2 3 4 1 10 2 3 4 9 5 Input:9 Output:4 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS20402 2005-11-14 1.0 Page 2/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com China Electronics Technology Group Corporation No.26 Research Institute 204MHz SAW Filter 2MHz Bandwidth Part Number: LBS20402 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Passband Respond -13.4356 -9 -23.4356 -10 -11 -33.4356 -12 -43.4356 -13 -53.4356 -14 -63.4356 -15 -73.4356 -16 -17 -83.4356 -18 -93.4356 184 189 194 199 204 209 214 219 224 203 203.2 203.4 203.6 203.8 204 204.2 204.4 204.6 204.8 205 Group Delay Variation(f00.5MHz) Phase Linearity(f00.5MHz) 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. LBS20402 2005-11-14 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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