Std Low-Loss 140 MHz Bandpass Filter 18 MHz Bandwidth Part Number 854920 Data Sheet Typical Performance Parameter Center Frequency fo Specifications Unit Minimum MHz 139.6 Typical Maximum 140 140.4 dB - 9.1 12 1 dB Bandwidth MHz 17.25 17.69 - 3 dB Bandwidth MHz 18 18.84 - 35 dB Bandwidth Mhz - 22.79 24.1 40 dB Bandwidth MHz - 22.79 48 Passband Ripple(80% of 3 dB BW) dB - 0.63 1 Phase Linearity(80% of 3 dB BW) degrees - 6 10 Delay Variation(80% of 3 dB BW) Insertion Loss at fo nsec - 64 120 Substrate Material - - YZ LiNbO3 - Temperature Shift ppm/°C - -94 - °C - 25 - Ambient Temperature Package Outline 150.5 148.4 25 20 15 10 5 0 -5 -10 -15 -20 -25 146.3 144.2 142.1 140 137.9 Horizontal: 2.1 MHz/Div Vertical: 1 dB/Div Vertical: 5 deg/Div 135.8 133.7 131.6 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 129.5 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: MHz/Div 110 116 122 128 134 1406 146 152 158 164 170 Vertical: 10 dB/Div Matching Configuration L1 = 120 nH, L2 = 120 nH C1 = 22 pf, C2 = 10 pf Nominal Source/Load Impedance = 50Ω Package Style SMP-53 12/2/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061