87.000 MHz Low-Loss Filter 400 kHz Bandwidth Part Number 855500 Preliminary Specifications Typical Performance Parameter Center Frequency Insertion Loss (87 ± .075 MHz) 3.5 dB Bandedges 20 dB Bandedges 25 dB Bandedges 28 dB Bandedges Amplitude Variation (87 ± .075 MHz) Absolute Group Delay (87 ± .075 MHz) Group Delay Variation (87 ± .075 MHz) Input and Output VSWR Ultimate Rejeciton 30 to 85.4 MHz Ultimate Rejection 88.6 to 180 MHz Ultimate Rejection 180 to 2000 MHz Substrate Material Temperature Range Package Outline Specifications Unit Minimum MHz dB MHz MHz MHz MHz dB p-p µsec nsec dB dB dB dB °C 34 34 50 -5 87.3 87.24 1050 840 630 420 210 0 -210 -420 -630 -840 -1050 87.18 87.12 87.06 87 86.94 Horizontal: 60 kHz/Div Vertical: 1 dB/Div Vertical: 210 nsec/Div 86.88 86.82 86.76 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 86.7 10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 Horizontal: kHz/Div 86 86.2 86.4 86.6 86.8 87200 87.2 87.4 87.6 87.8 88 Vertical: 10 dB/Div Typical Maximum 87 5.2 ± .182 ± .35 ± .371 0.62 2.3 230 1.2 47 46 60 Quartz 25 7 ±.2 ±.4 ±.6 ±.8 1 2.4 350 1.7 70 Matching Configuration Ω Ω L1 = 247 nH, L2 = 190 nH C1 = 53 pF, C2 = 54 pF Nominal Source/Load Impedance = 50Ω Package Type SMP-75 10/20/99 Sawtek Inc. Telephone: (407) 886-8860 Fax: (407) 886-7061