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| China Electronics Technology Group Corporation No.26 Research Institute 426MHz SAW Filter 6.56MHz Bandwidth Part Number: LBS42601 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss Upper 0.7dB point Lower 0.7 dB point Upper 3 dB point Lower 3 dB point Upper 40 dB point Lower 40 dB point Upper 45 dB point Lower 45 dB point Upper 50 dB point Lower 50 dB point Relative Attenuation 100~419.5MHz Relative Attenuation 433.5~500MHz Phase Ripple 423.3~428.7MHz Passband Variation Input VSWR at 426MHz Output VSWR at 426MHz Triple Transit Suppression Subatrate Material Ambient Temperature Package Size C dB dB Unit MHz dB MHz MHz MHz MHz MHz MHz MHz MHz MHz MHz dB dB Minimum 428.52 422.35 421.31 421.2 419.5 50 50 40 Typical 426 20 428.73 422.91 429.15 422.53 430.25 421.53 430.34 421.47 430.86 421.4 52 52 7.5 0.4 2.2 1.5 46 Quartz 25 Maximum 21.5 423.36 429.65 430.74 430.89 433.5 10 0.7 5 2.5 - SMP-53 (13.3 x 6.5 mm Nominal Footprint) 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 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS42601 2007-9-26 2.1 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 426MHz SAW Filter 6.56MHz Bandwidth Part Number: LBS42601 www.sipatsaw.com SIPAT Co., Ltd. Matching Configuration L1=33nH L2=33nH L3=22nH L4=15nH Source/Load Impedance=50 ohm Notes - Component values may change depending on board layout. Package Dimension Input:11 Output:5 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS42601 2007-9-26 2.1 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 426MHz SAW Filter 6.56MHz Bandwidth Part Number: LBS42601 www.sipatsaw.com SIPAT Co., Ltd. Typical Performance Frequency Respond Passband Respond Type performance -30.0298 -17 -18 -40.0298 -19 -50.0298 Magnitude(dB) -20 -60.0298 -21 -70.0298 -22 -80.0298 -23 -90.0298 -24 -100.0298 -25 414 417 420 423 426 429 432 435 438 421 422 423 424 425 426 427 Frequency(MHz) 428 429 430 431 Wideband Respond Phase Linearity(423.3~428.7MHz) Simth Chart S11 Simth Chart S22 SIPAT Co., Ltd. ( CETC No. 26 Research Institute ) Nanping Huayuan Road No. 14 Chongqing, China, 400060 Part Number Rev. Date Rev. LBS42601 2007-9-26 2.1 Page 3/3 Phone: +86-23-62920684 Fax: +86-23-62805284 www.sipatsaw.com / sawmkt@sipat.com |
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