140 MHz Bandpass Filter 750 kHz Bandwidth Part Number 851902 Data Sheet Typical Performance Parameter Typical Maximum 139.9 140 140.1 dB - 20.7 23 1 dB Bandwidth MHz 0.47 0.57 - 3 dB Bandwidth MHz 0.75 0.77 - 40 dB Bandwidth MHz - 1.58 1.8 dB - 0.25 0.6 Phase Linearity deg - 2 4 Group Delay Variation nsec - 110 240 Absolute Delay Insertion Loss at Fo Passband Variation sec - 3.931 - Ultimate Rejection dB 50 65 - Substrate Material - - Quartz - C - 25 - Ambient Temperature Package Outline 140.6 140.48 500 400 300 200 100 0 -100 -200 -300 -400 -500 140.36 140.24 140.12 140 139.88 Horizontal: 120 kHz/Div Vertical: 1 dB/Div Vertical: 100 nsec/Div 139.76 139.64 139.52 Specifications Unit Minimum MHz Center Frequency 139.4 142.5 142 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 No Matching Required Nominal Source/Load Impedance = 50 Package Style O 11/24/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061