RF3404 RFM, RF3404 Datasheet

Filters 433.92MHz Narrowband Receiver Front End

RF3404

Manufacturer Part Number

RF3404

Description

Filters 433.92MHz Narrowband Receiver Front End

Manufacturer

RFM

Datasheet

1.RF3404.pdf (2 pages)

Specifications of RF3404

Product

SAW Filters

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

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Manufacturer

Quantity

Price

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Part Number:

RF3404

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RFMD

Quantity:

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Bonase Electronics (HK) Co., Limited

Part Number:

RF3404D

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Company:

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Part Number:

RF3404E

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Electrical Characteristics

Notes:

•

The RF3404 is a low-loss, compact and economical surface-acoustic-wave (SAW) filter designed to provide

front-end selectivity in 433.92 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.

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). Quartz construction provides excellent frequency stability over

a wide temperature range.

Characteristic

Center Frequency at 25°C

Insertion Loss

3 dB Bandwidth

Rejection

Temperature

Frequency Aging

External Impedance

Lid Symbolization (in addition to Lot and/or Date Codes)

Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50

VSWR

and passband shape are dependent on the impedance matching component values and quality.

The frequency f

Where noted, specifications apply over the entire specified operating temperature range.

The turnover temperature, T

be calculated from: f = f

Frequency aging is the change in fc with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures

above +65°C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.

The design, manufacturing process, and specifications of this device are subject to change without notice.

One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.

All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.

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)

CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.

1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, f

E-mail: info@rfm.com

is defined as the midpoint between the 3dB frequencies.

[1 - FTC (T

Absolute Frequency

Tolerance from 433.92 MHz

at f

Ultimate

Operating Case Temp.

Turnover Temperature

Turnover Frequency

Freq. Temp. Coefficient

Absolute Value during the First Year

Series Inductance

Shunt Capacitance

, is the temperature of maximum (or turnover) frequency, f

- 21.4 MHz (Image)

- 10.7 MHz (LO)

- T

)

Sym

FTC

|fA|

Notes

1, 2

3, 4

. The nominal frequency at any case temperature, T

Minimum

500

-40

RFM RF3404

Typical

433.92

0.032

. Note that insertion loss, bandwidth,

600

3.5

433.92 MHz

SAW Filter

RF3404

TO39-3 Case

Maximum

±80

800

+85

5.0

test system with

RF3404 - 3/21/08

ppm/yr

Units

Page 1 of 2

ppm/

MHz

kHz

°C

, may

Related parts for RF3404

RF3404 Summary of contents

Page 1

... Complies with Directive 2002/95/EC (RoHS) The RF3404 is a low-loss, compact and economical surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in 433.92 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 ...

Page 2

... J (2 places) Millimeters Min Max A 9.40 B 3.18 C 2.50 3.50 D 0.46 Nominal E 5.08 Nominal F 2.54 Nominal G 2.54 Nominal H 1.02 J 1.40 H 45° Inches Min Max 0.370 0.125 0.098 0.138 0.018 Nominal 0.200 Nominal 0.100 Nominal 0.100 Nominal 0.040 0.055 Page RF3404 - 3/21/08 ...

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