140 MHz Bandpass SAW Filter 140 MHz Bandpass SAW Filter BP62340 37.5 MHz Bandwidth Electrical Characteristics Parameter Center Frequency at 25°C Insertion Loss at fc Sym Minimum Typical Maximum Unit fc 139.8 140.0 140.2 MHz IL - 21.1 25.0 dB BW1 35.5 36.5 - MHz 3 dB Bandwidth BW3 37.5 38.1 - MHz 40dB Bandwidth BW40 - 43.6 44.5 MHz Passband Variation - - 0.5 1.0 dB Phase Linearity - - 4 6 Deg Group Delay Variation - - 15 30 nsec Absolute Delay - - 0.99 2 µsec Ultimate Rejection - 50 60 - dB Substrate Material - - 128-LiNbO3 - - Ta - 25 - °C 1 dB Bandwidth Ambient Temperature Package Size DP2212 (22.1 x 12.7 x 5.2 mm) Typical Performance Package Outline Matching Configuration L1 : 47 nH L2 : 39 nH Nominal Source/Load Impedance : 50 Ω Phone: +86 (10) 5128 1211 © 2005 by Vanlong Technology Co., Ltd. Fax: +86 (10) 5820 3915 Email: [email protected] Web: http://www.vanlong.com BP62340