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RF3210

RF Monolithics
Part Number RF3210
Manufacturer RF Monolithics
Description SAW Filter
Published Nov 5, 2012
Detailed Description RF3210 • • • • • Ideal Front-End Filter for 303.825 MHz Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Sim...
Datasheet PDF File RF3210 PDF File

RF3210
RF3210

Overview
RF3210 • • • • • Ideal Front-End Filter for 303.
825 MHz Wireless Receivers Low-Loss, Coupled-Resonator Quartz Design Simple External Impedance Matching Rugged TO39 Hermetic Package Pb Complies with Directive 2002/95/EC (RoHS) 303.
825 MHz SAW Filter The RF3210 is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 303.
825 MHz receivers.
Receiver designs using this filter include superheterodynes with 10.
7 MHz or 500 kHz IF’s, direct conversions and superregeneratives.
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically greater than 40 dB, of the LO and image responses of superhet receivers with 10.
7 MHz IF’s.
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.
TO39-3 Case Electrical Characteristics Characteristic Center Frequency at 25°C Center Frequency Tolerance from 303.
825 MHz Insertion Loss 3 dB Passband Rejection at fc - 21.
4 MHz (Image) at fc - 10.
7 MHz (LO) Ultimate Temperature Operating Case Temp.
Turnover Temperature Freq.
Temp.
Coefficient Frequency Aging Impedance @ fC Absolute Value during the First Year Input: ZIN = RIN || CIN Output: ZOUT = ROUT || COUT TC TO FTC |fA| ZIN ZOUT 5 1 3, 4 www.
DataSheet.
net/ Sym fC ∆fC IL BW3 Notes 1, 2 1 1, 2 1 Minimum 303.
745 Typical Maximum 303.
905 ±80 Units MHz kHz dB kHz dB 1.
7 500 40 15 -40 10 25 0.
032 ≤10 80.
3 Ω || 8.
34 pF 91.
4 Ω || 9.
15 pF RFM RF3210 700 50 35 60 3.
0 800 +85 40 °C ppm/°C2 ppm/yr Lid Symbolization (in addition to Lot and/or Date Codes) CAUTION: Electrostatic Sensitive Device.
Observe precautions for handling.
Notes: 1.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 Ω test system with VSWR ...


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