70 MHz Low-Loss Filter 2.5 MHz Bandwidth Part Number 854655 Data Sheet Typical Performance Parameter Center Frequency Specifications Unit Minimum MHz Typical Maximum 69.88 70 70.12 dB - 8.75 9.25 1 dB Bandwidth MHz 2 2.2 - 3 dB Bandwidth MHz 2.5 2.59 - 40 dB Bandwidth MHz - 4.6 5.1 Passband Ripple dB - 0.65 1 Phase Linearity (70% of 3 dB Bandwidth) deg - 5.65 9 Group Delay Variation (70% of 3 dB Bandwidth) nsec - 240 400 Absolute Delay usec - 2.22 - - - LiTaO3 - ppm/°C - -23 - °C - 25 - Insertion Loss at Fo Substrate Material Temperature Coefficient Ambient Temperature Package Outline 71.75 71.4 50 40 30 20 10 0 -10 -20 -30 -40 -50 71.05 70.7 70.35 70 69.65 Horizontal: 350 kHz/Div Vertical: 1 dB/Div Vertical: 10 deg/Div 69.3 68.95 68.6 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 68.25 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 MHz/Div 62.5 64 65.5 Horizontal: 67 68.5 701.571.5 73 74.5 76 77.5 Vertical: 10 dB/Div Matching Configuration Ω Ω L1 = 150nH, L2 = 150nH C1 = 100pF, C2 = 47pF Nominal Source/Load Impedance = 50Ω Package Style SMP-75 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061