RF1172
RF1172 Datasheet
The RF1172 is a low-loss, compact and economical surface-acoustic-wave SAW filter designed to provide front-end selectivity in MHz receivers. Receiver designs using this filter include superhet with MHz or 500 kHz IF, direct conversion and superregen. Typical applications of these receivers are wireless remote-control and security devices operating in Europe under ETSI I-ETS 300
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RF1172 |
RF1172 (pdf) |
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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 The RF1172 is a low-loss, compact and economical surface-acoustic-wave SAW filter designed to provide front-end selectivity in MHz receivers. Receiver designs using this filter include superhet with MHz or 500 kHz IF, direct conversion and superregen. Typical applications of these receivers are wireless remote-control and security devices operating in Europe under ETSI I-ETS 300 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 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 . Quartz construction provides excellent frequency stability over a wide temperature range. RF1172 MHz SAW Filter TO39-3 Case Electrical Characteristics Characteristic Center Frequency at 25°C Absolute Frequency Insertion Loss Tolerance from MHz 3 dB Bandwidth Rejection at fc - MHz Image at fc - MHz LO Ultimate Temperature Operating Case Temp. Turnover Temperature Turnover Frequency Freq. Temp. Coefficient Frequency Aging Absolute Value during the First Year External Impedance Series Inductance Shunt Capacitance Lid Symbolization in addition to Lot and/or Date Codes fc IL BW3 TC TO fO FTC |fA| L C Notes 1, 2 1 1, 2 1 Minimum Typical RFM RF1172 Maximum ±80 800 Units MHz kHz dB kHz MHz ppm/°C2 ppm/yr CAUTION Electrostatic Sensitive Device. Observe precautions for handling. |
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