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RF1181B Datasheet PDF - RF Monolithics, Inc

Part NameDescriptionManufacturer
RF1181B 916.5 MHz SAW Filter RFM
RF Monolithics, Inc RFM
Other PDF  no available.
RF1181B Datasheet PDF : RF1181B pdf   
RF1181B image

The RF1181B is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 916.5 MHz receivers. Receiver designs using this filter include superhet with 10.7 MHz IF, direct conversion and superregen. Typical applications of these receivers are wireless remote control and security, data telemetry, and meter reading devices operating in the USA under FCC Part 15 and in Canada under DoC RSS-210.
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically greater than 40 dB, of the LO and image spurious responses of superhet receivers with 10.7 MHz IF. RFM’s advanced SAW design and fabrication technology is utilized to achieve high performance and very low loss with simple external impedance matching (not included). Our new patent pending solder seal process utilizes a Faraday shield lid, which improves out of band rejection.

• Ideal Front-End Filter for 916.5 MHz Wireless Receivers
• Low-Loss, Coupled-Resonator Quartz Design
• Simple External Impedance Matching
• Surface-Mount Ceramic Case with 52 mm2 Footprint
• Complies with Directive 2002/95/EC (RoHS)


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