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B3712 Datasheet(PDF) 3 Page - EPCOS |
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B3712 Datasheet(HTML) 3 Page - EPCOS |
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3 / 6 page ![]() 3 March 11, 2011 B3712 312.20 MHz SAW Components SAW RF filter Data sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Temperature range for specification: T = –40 ˚C to+110 ˚C Terminating source impedance: ZS =50Ω Terminating load impedance: ZL =50Ω min. typ. @ 25 ˚C max. Center frequency fC — 312.20 — MHz Maximum insertion attenuation α max 311.90 ... 312.50 MHz — 1.8 2.91) 1) T = –40˚C to +85˚C : 2.5 dB dB Amplitude ripple (p-p) 311.90 ... 312.50 MHz — 0.5 1.72) 2) T = –40˚C to +85˚C : 1.3 dB dB Relative attenuation (relative to α min) α rel 270.00 ... 286.00 MHz 55 60 — dB 290.20 ... 291.10 MHz 53 58 — dB 301.20 ... 301.80 MHz 48 53 — dB 322.60 ... 323.20 MHz 24 31 — dB 333.30 ... 334.20 MHz 36 41 — dB 354.70 ... 355.90 MHz 50 55 — dB Temperature coefficient of frequency TCf — -30 — ppm/K Maximum ratings Operable temperature range T –45/+125 ˚C Storage temperature range Tstg –45/+125 ˚C DC voltage VDC 6 V Source power PS 10 dBm source impedance 50 Ω |
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