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B3893 Datasheet(PDF) 4 Page - EPCOS |
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B3893 Datasheet(HTML) 4 Page - EPCOS |
4 / 7 page 4 February 28, 2008 B3893 248.6 MHz Please read cautions and warnings and important notes at the end of this document. SAW Components SAW IF filter Data sheet Characteristics Temperature range for specification: T = –20 ˚C to +85 ˚C Terminating source impedance: ZS =50 Ω Termnating load impedance: ZL = 200 Ω min. typ. max. Nominal frequency fN — 248.6 — MHz Minimum insertion attenuation α min — 1.3 3.5 dB Passband width α rel ≤ 3.0 dB B3.0dB 5.0 7.2 — MHz Amplitude ripple (p-p) ∆α fN ± 352.0 kHz — 0.2 0.5 dB Group delay ripple (p-p) ∆τ fN ± 352.0 kHz — 30 100 ns Relative attenuation (relative to α min) α rel 10.0 MHz ... fN – 29.2 MHz 45 70 — dB @ fN + 22.80 MHz 45 60 — dB @ fN + 52.00 MHz 45 70 — dB @ fN + 74.80 MHz 45 70 — dB @ fN + 104.0 MHz 45 55 — dB @ fN + 126.8 MHz 45 70 — dB Temperature coefficient of frequency TCf — –36 — ppm/K Maximum ratings Operable temperature range T –40/+85 ˚C Storage temperature range Tstg –40/+85 ˚C DC voltage VDC 0 V Input Power PIN 10 dBm Input Power PIN 20 dBm t <= 100 hours |
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Similar Description - B3893_1 |
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