70 MHz Bandpass Filter 4.5 MHz Bandwidth Part Number 851551 Data Sheet Typical Performance 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: 65 66 67 68 69 701 MHz/Div 71 72 73 74 75 Vertical: 10 dB/Div Parameter Specifications Unit Minimum MHz Center Frequency 1 150 0 120 -1 90 -2 60 -3 30 -4 0 -5 -30 -6 -60 -7 -90 -8 -120 -9 -150 Horizontal: kHz/Div 67 67.668.268.8 69.4 70600 70.671.271.8 72.4 73 Vertical: 1 dB/Div Vertical: 30 nsec/Div Typical Maximum 69.91 70 70.09 dB - 24.3 26 1 dB Bandwidth MHz 4 4.23 - 3 dB Bandwidth MHz 4.5 4.73 - 40 dB Bandwidth MHz - 6.68 6.9 dB - 0.32 0.8 Phase Linearity deg - 2 4 Group Delay Variation nsec - 60 90 Absolute Delay Insertion Loss at fo Passband Variation µsec - 2.4 - Ultimate Rejection dB 50 60 - Substrate Material - - Quartz - °C - 25 - Ambient Temperature Package Outline Matching Configuration L1 = 190nH, L2 = 138nH, C1 = 81pf 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