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RF3319D

RF Monolithics
Part Number RF3319D
Manufacturer RF Monolithics
Description SAW Filter
Published Nov 6, 2012
Detailed Description RF3319D • • • • Ideal Front-End Filter for European Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple ...
Datasheet PDF File RF3319D PDF File

RF3319D
RF3319D

Overview
RF3319D • • • • Ideal Front-End Filter for European Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Complies with Directive 2002/95/EC (RoHS) Pb 868.
95 MHz SAW Filter The RF3319D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 868.
95 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 remote-control and security devices operating in Europe under ETSI I-ETS 300 220, in Germany under FTZ 17 TR 2100, in the United Kingdom under DTI MPT 1340 (for automotive only), in France under PTT Specifications ST/PAA/TPA/AGH/1542, and in Scandinavia.
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).
SM3838-8 Case 3.
8 x 3.
8 Typical 868.
95 2.
2 4.
0 900 Electrical Characteristics Characteristic Center Frequency @ 25°C Insertion Loss 3 dB Bandwidth 10 - 700 MHz 700 - 830 MHz 830 - 850 MHz Attenuation: (relative to ILmin) 850 - 865 MHz 871 - 878 MHz www.
DataSheet.
net/ Sym Absolute Frequency fC IL BW3 Notes 1, 2, 3 1 1, 3 Minimum Maximum Units MHz dB kHz 500 50 40 35 20 21 15 28 40 650 55 45 40 24 30 20 35 45 0.
032 <±10 28.
8 Ω // 1.
93pF 26.
9 Ω // 2.
2pF 1, 3 dB 878 - 883 MHz 883 - 900 MHz 900 - 1000 MHz Temperature Frequency Aging Impedance @ fC Freq.
Temp.
Coefficient Absolute Value during the First Year Input ZIN = RIN/CIN Output ZOUT = ROUT/COUT 7 Inch Reel 13 Inch Reel FTC |fA| ZIN ZOUT 3, 4 5 1 ppm/ °C2 ppm/yr Lid Symbolization (in addition to Lot and/or Date Codes) Standard Reel Quantity Standard Reel Quantity 9 ...


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