140 MHz Bandpass Filter 250 kHz Bandwidth Part Number 851900 Data Sheet Typical Performance Parameter Typical Maximum 139.95 140 140.05 dB - 23.2 25 1 dB Bandwidth MHz 0.14 0.16 - 3 dB Bandwidth MHz 0.25 0.27 - 40 dB Bandwidth MHz - 0.84 0.95 dB - 0.01 0.1 Phase Linearity deg - 0.5 1 Group Delay Variation nsec - 130 400 Absolute Delay Insertion Loss at Fo Passband Variation sec - 3.62 - Ultimate Rejection dB 50 60 - Substrate Material - - Quartz - C - 25 - Temperature Range Package Outline 140.129 140.099 500 400 300 200 100 0 -100 -200 -300 -400 -500 140.069 140.039 140.009 139.979 139.949 Horizontal: 30 kHz/Div Vertical: .25 dB/Div Vertical: 100 nsec/Div 139.919 139.889 139.859 Specifications Unit Minimum MHz Center Frequency 139.829 140.75 140.6 0.25 0 -0.25 -0.5 -0.75 -1 -1.25 -1.5 -1.75 -2 -2.25 140.45 140.3 140.15 140 139.85 Horizontal: 150 kHz/Div Vertical: 10 dB/Div 139.7 139.55 139.4 139.25 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Matching Configuration No Matching Required Nominal Source/Load Impedance = 50 Package Style O 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061