140 MHz Bandpass Filter 1.5 MHz Bandwidth Part Number 851904 Data Sheet Typical Performance Parameter Typical Maximum 139.9 140 140.1 dB - 22.8 25 1 dB Bandwidth MHz 1.2 1.27 - 3 dB Bandwidth MHz 1.5 1.53 - 40 dB Bandwidth MHz - 2.56 2.7 dB - 0.16 0.4 Phase Linearity deg - 1.5 3 Group Delay Variation nsec - 70 150 Absolute Delay Insertion Loss Passband Variation sec - 3.31 - Ultimate Rejection dB 50 60 - Substrate Material - - Quartz - C - 25 - Ambient Temperature Package Outline 141 140.8 200 160 120 80 40 0 -40 -80 -120 -160 -200 140.6 140.4 140.2 140 139.8 Horizontal: 200 kHz/Div Vertical: 1 dB/Div Vertical: 40 nsec/Div 139.6 139.4 139.2 Specifications Unit Minimum MHz Center Frequency 139 142.5 142 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 141.5 141 140.5 139.5 140 Horizontal: 500 kHz/Div Vertical: 10 dB/Div 139 138.5 138 137.5 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Matching Configuration L1 = 62 nH , L2 = 74 nH Nominal Source/Load Impedance = 50 Package Style O 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061