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B3807 Datasheet(PDF) 3 Page - EPCOS |
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B3807 Datasheet(HTML) 3 Page - EPCOS |
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3 / 6 page  3 Aug 12, 2002 SAW Components B3807 326,4 MHz Low-Loss Filter Data Sheet Characteristics Operating temperature: T = -10 .. +80 ˚C Terminating source impedance: ZS=50 Ω and matching network Terminating load impedance: ZS=50 Ω and matching network 1(port extensions directly at filter) min. typ. max. Nominal frequency fN — 326,4 — MHz Minimum insertion attenuation α min — 2,0 4,0 dB Amplitude ripple (p-p) ∆α fN-2,5 MHz...fN+2,5 MHz — 0,3 0,5 dB fN-7,5 MHz...fN+7,5 MHz — 1,0 3,0 dB Pass bandwidth B1,0dB α rel ≤ 1,0 dB — 15 — MHz B10dB α rel ≤ 10 dB — 20 — MHz Relative attenuation (relative to α min) α rel 10,0 MHz ... fN − 18,0 MHz 40 50 — dB fN −38,395 MHz ... fN −38,405 MHz 43 50 — dB fN −19,195 MHz ... fN −19,205 MHz 43 50 — dB fN − 18,0 MHz ... fN − 12,5 MHz 13 15 — dB fN + 12,5 MHz ... fN + 30,0 MHz 11 13 — dB fN + 30,0 MHz ... fN + 450,0 MHz 25 30 — dB Group delay ripple (p-p) ∆τ fN- 7,5 MHz...fN- 2,5 MHz — 90 110 ns fN- 2,5 MHz...fN+2,5 MHz — 15 25 ns fN+2,5 MHz...fN+7,5 MHz — 50 65 ns Return Loss fN-2,5 MHz...fN+2,5 MHz 10 11 — dB fN-7,0 MHz...fN+7,0 MHz 8 10 — dB fN-7,5 MHz...fN+7,5 MHz 5 8 — dB Impedance at fN (without matching)1 Input: ZIN = RIN || CIN — 72 || 0,4 — Ω || pF Output: ZOUT= ROUT || COUT — 73 || 0,2 — Ω || pF Temperature coefficient of frequency TCf — – 70 — ppm/K |
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