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B4865 数据表(PDF) 3 Page - EPCOS |
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B4865 数据表(HTML) 3 Page - EPCOS |
3 / 6 page 3 March 06, 2002 SAW Components B4865 134,04 MHz Low Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: T = -30˚C ... 85˚C Terminating source impedance: ZS = 850 Ω || - 0,8 pF Terminating load impedance: ZL = 850 Ω || - 0,8 pF 1) Temperature dependance of fc: fc(T) = fc(T0)(1 + TCf(T – T0)2) min. typ. max. Nominal frequency fN — 134,04 — MHz 3 dB Bandwidth — 57 — kHz Minimum insertion attenuation α min — 3,6 4,5 dB (including losses in the matching network) Amplitude ripple (p-p) ∆α fN – 10,0 kHz ... fN + 10,0 kHz — 0,2 1,5 dB fN – 13,0 kHz ... fN + 13,0 kHz — 0,5 3,0 dB Group delay ripple (p-p) ∆τ fN – 13,0 kHz ... fN + 13,0 kHz — 3,5 10,0 µs Relative attenuation (relative to α min) α rel fN ± 60 kHz 14 24 — dB fN ± 120 kHz 40 50 — dB fN ± 240 kHz 50 56 — dB fN ± 330 kHz 55 65 — dB fN ± 480 kHz 55 62 — dB fN ± 660 kHz 55 70 — dB Spurious responses fN ± 480 kHz ... 1 MHz 40 45 — dB Impedance within the passband Input: ZIN = RIN || CIN — 850 || 0,8 — Ω || pF Output: ZOUT = ROUT || COUT — 850 || 0,8 — Ω || pF Temperature coefficient of frequency 1) TCf — – 0,034 — ppm/K2 Turnover temperature T0 —25 — ˚C |
类似零件编号 - B4865 |
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类似说明 - B4865 |
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