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Ideal Front-End Filter for European Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Rugged TO39 Hermetic Package Complies with Directive 2002/95/EC (RoHS)
RF1284 Maximum Ratings
Characteristic Symbol Minimum Typical Maximum Units Center Frequency at 25C Absolute Frequency fC 319.428 319.588 MHz Tolerance from 319.500 MHz DfC 80 kHz Insertion Loss IL 2.0 3.0 dB 3 dB Bandwidth BW3 500 600 800 kHz Rejection at fc - 21.4 MHz (Image) 40 50 dB at fc - 10.7 MHz (LO) 15 40 dB Ultimate 80 dB Temperature Operating Case Temperature TC -40 +85 C Turnover Temperature TO 15 25 35 C Turnover Frequency fO fC MHz Frequency Temperature Coefficent FTC 0.032 ppm/C2 Frequency Aging Absolute Value during the First Year IfAI 10 ppm/yr Impedance @ fc Input ZIN=RIN//CIN Output ZOUT=ROUT//COUT ZIN 1570 Ohm//6.84pf nH ZOUT 1490 Ohm//7.02pf pF
RF1301 General Description
Ideal Front-End Filter for European Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Rugged TO39 Hermetic Package Complies with Directive 2002/95/EC (RoHS)
RF1301 Maximum Ratings
Characteristic Symbol Minimum Typical Maximum Units Nominal Frequency fC 499.250 MHz Insertion Loss IL 4.0 dB 4 dB Passband BW3 30 kHz 3 dB Reject Band BW3 kHz Rejection at fC 1.50 MHz 10 dB at fC 6.0 MHz 25 dB at fC 50 MHz dB Temperature Operating Case Temperature TC -40 +85 C Turnover Temperature TO 15 25 40 C Turnover Frequency fO fC MHz Frequency Temperature Coefficient FTC 0.032 ppm/C2 Frequency Aging Absolute Value during the First Year IfAI 10 ppm/yr External Impedance Series Inductance L 22 nH Shunt Capacitance C 5-18 pF