140 MHz Bandpass Filter 14 MHz Bandwidth Part Number 851925 Data Sheet Typical Performance Parameter Center Frequency 139.8 Typical Maximum 140 140.2 dB - 22 24 1 dB Bandwidth MHz 13.2 13.4 - 3 dB Bandwidth MHz 14 14.165 - 40 dB Bandwidth MHz - 17 17.6 dB - 0.36 0.6 Phase Linearity deg - 3.1 6 Group Delay Variation nsec - 30 90 Absolute Delay Passband Variation sec - 1.519 - Ultimate Rejection dB 50 60 - Substrate Material - - - C YZ LiNbO3 - 25 - Ambient Temperature Package Outline 148.5 146.8 50 40 30 20 10 0 -10 -20 -30 -40 -50 145.1 143.4 141.7 140 138.3 Horizontal: 1.7 MHz/Div Vertical: 1 dB/Div Vertical: 10 nsec/Div 136.6 134.9 133.2 Specifications Unit Minimum MHz Insertion Loss 131.5 157 153.6 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 150.2 146.8 143.4 136.6 140 Horizontal: 3.4 MHz/Div Vertical: 10 dB/Div 133.2 129.8 126.4 123 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Matching Configuration No Matching Required Nominal Source/Load Impedance = 50 Package Style I 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061