140 MHz Bandpass Filter 10 MHz Bandwidth Part Number 851921 Data Sheet Typical Performance Parameter Center Frequency 139.8 Typical Maximum 140 140.2 dB - 22 24 1 dB Bandwidth MHz 9.3 9.66 - 3 dB Bandwidth MHz 10 10.35 - 40 dB Bandwidth MHz - 12.44 13 dB - 0.45 0.7 Phase Linearity deg - 3.5 7 Group Delay Variation nsec - 60 150 Absolute Delay Passband Variation sec - 1.919 - Ultimate Rejection dB 50 65 - Substrate Material - - - C YZ LiNbO3 - 25 - Ambient Temperature Package Outline 146 144.8 150 120 90 60 30 0 -30 -60 -90 -120 -150 143.6 142.4 141.2 140 138.8 Horizontal: 1.2 MHz/Div Vertical: 1 dB/Div Vertical: 30 nsec/Div 137.6 136.4 135.2 Specifications Unit Minimum MHz Insertion Loss at fo 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 134 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: MHz/Div 125 128 131 134 137 1403 143 146 149 152 155 Vertical: 14.5 dB/Div 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