Std Low-Loss 140 MHz Bandpass Filter 4 MHz Bandwidth Part Number 854909 Data Sheet Typical Performance Parameter Center Frequency fo Specifications Unit Minimum MHz Typical Maximum 139.6 140 140.4 dB - 10.85 12.5 1 dB Bandwidth MHz 3.4 3.9 - 3 dB Bandwidth MHz 4 4.6 - 40 dB Bandwidth MHz - 7.46 9.1 Passband Ripple(80% of 3dB BW) dB - 0.42 1 Phase Linearity(80% of 3dB BW) degrees - 2 6 Delay Variation(80% of 3dB BW) nsec - 27 100 Absolute Delay Insertion Loss at fo µsec - 1.2 - Substrate Material - - LiTaO - Temperature Shift ppm/°C - -72 - °C - 25 - Ambient Temperature Package Outline 143 142.4 25 20 15 10 5 0 -5 -10 -15 -20 -25 141.8 141.2 140.6 140 139.4 Horizontal: 600 kHz/Div Vertical: 1 dB/Div Vertical: 5 deg/Div 138.8 137.6 138.2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 137 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 Ω Ω L1 = 82 nH, L2 = 68 nH Nominal Source/Load Impedance = 50Ω Package Style SMP-53 12/2/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061