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| China Electronics Technology Group Corporation No.26 Research Institute 217.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS21701 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 40 dB Bandwidth Passband Variation Absolute Delay Ultimate Rejection Material Temperature coefficient Ambient Temperature Package Size Unit MHz dB MHz MHz MHz dB usec Minimum 217.4 4.7 5 45 Typical 217.5 23.9 4.8 5.22 6.8 0.4 1.8 50 0.2175 25 Maximum 217.6 25 7 1 3.5 - dB KHz/C C DIP2212 (22.2x12.8x4.7mm3) 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 L1 L2 L1=56nH C1=22pF L2=68nH C2=15pF 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. LBS21701 2005-10-31 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 217.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS21701 www.sipatsaw.com SIPAT Co., Ltd. Package Dimension 22.200.5 12.800.5 4.7 4.5 0.450.05 2.540.2 7.620.2 3 2 1 4 5 6 12.700.2 2.540.2 Input:1 Output:5 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS21701 2005-10-31 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 217.5MHz SAW Filter 5MHz Bandwidth Part Number: LBS21701 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond -19 -23.8728 Passband Respond -20 -33.8728 -21 -43.8728 -22 -23 -24 -53.8728 -63.8728 -25 -73.8728 -26 -83.8728 -27 -28 213 205.5 208.5 211.5 214.5 217.5 220.5 223.5 226.5 229.5 -93.8728 -103.8728 214 215 216 217 218 219 220 221 222 Group Delay Variation(f02MHz) Phase Linearity(f02MHz) 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. LBS21701 2005-10-31 1.0 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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