70 MHz Bandpass Filter 6 MHz Bandwidth Part Number 851554 Data Sheet Typical Performance 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: 60 62 64 66 68 702 MHz/Div 72 74 76 78 80 Vertical: 10 dB/Div Parameter Center Frequency Specifications Unit Minimum MHz Insertion Loss at fo 1 175 0 140 -1 105 -2 70 -3 35 -4 0 -5 -35 -6 -70 -7 -105 -8 -140 -9 -175 Horizontal: kHz/Div 66.5 67.267.968.6 69.3 70700 70.771.472.1 72.8 73.5 Vertical: 1 dB/Div Vertical: 35 nsec/Div 69.9 Typical Maximum 70 70.1 dB - 23 25 1 dB Bandwidth MHz 5.6 5.73 - 3 dB Bandwidth MHz 6 6.2 - 40 dB Bandwidth MHz - 8.12 8.4 dB - 0.5 0.8 Phase Linearity deg - 4 7 Group Delay Variation nsec - 100 130 Absolute Delay Passband Variation µsec - 2.6 - Ultimate Rejection dB 50 60 - Substrate Material - - - °C LiTaO3 - 25 - Ambient Temperature Package Outline Matching Configuration L1 = 248 nH, L2 = 232 nH C1 = 84 pf, C2 = 90 pf Nominal Values Measured at 70 MHz Nominal Source/Load Impedance = 50Ω Package Style I 11/17/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061