140 MHz Bandpass Filter 9 MHz Bandwidth Part Number 851919 Data Sheet Typical Performance Parameter Center Frequency Typical Maximum 139.8 140 140.2 dB - 21.4 23.5 1 dB Bandwidth MHz 8.5 8.75 - 3 dB Bandwidth MHz 9 9.35 - 40 dB Bandwidth MHz - 11.3 11.7 dB - 0.35 0.7 Phase Linearity deg - 3.5 7 Group Delay Variation nsec - 70 210 Absolute Delay Passband Variation µsec - 2.096 - Ultimate Rejection dB 50 65 - Substrate Material - - - °C YZ LiNbO3 - 25 - Ambient Temperature Package Outline 145.5 144.4 250 200 150 100 50 0 -50 -100 -150 -200 -250 143.3 142.2 141.1 140 138.9 Horizontal: 1.1 kHz/Div Vertical: 1 dB/Div Vertical: 50 nsec/Div 137.8 136.7 135.6 Specifications Unit Minimum MHz Insertion Loss at Fo 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 134.5 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: MHz/Div 130 132 134 136 138 1402 142 144 146 148 150 Vertical: 10 dB/Div Matching Configuration No Matching Required Nominal Source/Load Impedance = 50Ω Package Style I 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061