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B39141B5250H810 Datasheet(PDF) 3 Page - TDK Electronics |
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B39141B5250H810 Datasheet(HTML) 3 Page - TDK Electronics |
3 / 9 page 3 Sep 17, 2012 B5250 140 MHz SAW Components SAW IF filter Data sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Operating temperature range: T = -35˚C to 80 ˚C Terminating source impedance: ZS = 200 Ω balanced or 50 Ω unbalanced and matching network Terminating load impedance: ZL= 200 Ω balanced or 50 Ω unbalanced and matching network min. typ. @ 25 ˚C max. Nominal frequency fN — 140.0 — MHz Minimum insertion attenuation (including matching network) α min — 10.7 13 dB Amplitude ripple (p-p) ∆α fN ± 0.5 MHz — 0.4 1.0 dB fN ± 1.0 MHz — 1.7 3.0 dB Absolute group delay τ fN ± 0.5 MHz — 0.84 — µs Group delay ripple (p-p) ∆τ fN ± 0.5 MHz — 50 120 ns Triple transit suppression 35 43 — dB Return loss, input fN ± 1.0 MHz 12 16 — dB Return loss, output fN ± 1.0 MHz 12 21 — dB Relative attenuation (relative to α min) α rel 10.000 MHz ... 135.50 MHz 40 48 — dB 135.50 MHz ... 137.50 MHz 28 35 — dB 142.50 MHz ... 145.50 MHz 28 35 — dB 145.50 MHz ... 152.00 MHz 38 42 — dB 152.00 MHz ... 425.00 MHz 45 56 — dB Temperature coefficient of frequency TCf — -0.036 — ppm/K2 |
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