• Ideal Front-End Filter for Domestic Wireless Receivers • Low-Loss, Coupled-Resonator Quartz Design • Simple External Impedance Matching • Complies with Directive 2002/95/EC (RoHS) Pb The RF1408D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 447.
7 MHz receivers.
Receiver designs using this filter include superhet with 10.
7 MHz or 500 kHz IF, direct conversion and superregen.
Typical applications of these receivers are wireless remotecontrol and security devices (especially for automotive keyless entry) operating in the USA under FCC Part 15, in Canada under RSS-210, and in Italy This coupled-resonator filter (CRF) uses...

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