140 MHz Bandpass Filter 40 MHz Bandwidth Part Number 851941 Data Sheet Typical Performance Parameter Center Frequency Typical Maximum 139.75 140 140.25 dB - 23.6 25 1 dB Bandwidth MHz 37 37.3 - 3 dB Bandwidth MHz 40 40.1 - 40 dB Bandwidth MHz - 49.1 50 dB - 0.45 0.75 Phase Linearity deg - 3.6 6 Group Delay Variation nsec - 11 25 Absolute Delay Passband Variation µsec - 1.104 - Ultimate Rejection dB 50 60 - Substrate Material - - - °C 128 LiNbO3 - 25 - Ambient Temperature Package Outline 162 157.6 25 20 15 10 5 0 -5 -10 -15 -20 -25 153.2 148.8 144.4 140 135.6 Horizontal: 4.4 MHz/Div Vertical: 1 dB/Div Vertical: 5 nsec/Div 131.2 126.8 122.4 Specifications Unit Minimum MHz Insertion Loss at Fo 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 118 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: 10150 MHz/Div 90 100 110 120 130 140 160 170 180 190 Vertical: 10 dB/Div Matching Configuration L1 = 130nH, L2 = 110nH Nominal Source/Load Impedance = 50Ω Package Style I 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061