www.DataSheet4U.com China Electronics Technology Group Corporation No.26 Research Institute 140MHz Low-loss SAW Filter 4.5MHz Bandwidth Part Number: LB140DS23 www.sipatsaw.com SIPAT Co., Ltd. Specifications Parameter Center Frequency Insertion Loss 1 dB Bandwidth 3 dB Bandwidth 35 dB Bandwidth Passband Variation Group delay Variation(80% of 3dB) Ultimate Rejection Absolute Delay Subatrate Material Ambient Temperature Package Size °C SF-26 Unit MHz dB MHz MHz MHz dB nsec dB Minimum 139.8 4.