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| China Electronics Technology Group Corporation No.26 Research Institute 280MHz SAW Filter 11MHz Bandwidth Part Number: UE280 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Ultimate Rejection (f0-100MHzf0-37.5MHz) Ultimate Rejection (f0+100MHzf0+37.5MHz) Material Temperature coefficient Ambient Temperature Package Size KHz/C C F-11 -22.96 25 Unit MHz dB MHz MHz MHz dB Minimum 279 8 10 50 Typical 280 2.4 9.6 11 30 0.5 53 Maximum 281 4.5 35 1 - dB dB 50 56 - 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 50 L1 L1=L2=33nH L2 OUTPUT 50 C1=2.8pF C2=2.8pF Source/Load Impedance=50 ohm C1 C2 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. UE280 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 280MHz SAW Filter 11MHz Bandwidth Part Number: UE280 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension Package: F-11 Unit: mm SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. UE280 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 280MHz SAW Filter 11MHz Bandwidth Part Number: UE280 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -2.4269 2 Passband Respond -12.4269 1 0 -22.4269 -1 -32.4269 -2 -42.4269 -3 -52.4269 -4 -62.4269 -5 -6 -72.4269 -7 -82.4269 240 250 260 270 280 290 300 310 320 270 272 274 276 278 280 282 284 286 288 290 Group Delay Variation(f05.5MHz) Phase Linearity(f05.5MHz) 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. UE280 2006-5-23 1.0 Page 3/3 Phone: +86-23-62808818 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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