RF1419D - RFM (RF Monolithics, Inc.)

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Electrical Characteristics

Characteristic Sym Notes Minimum Typical Maximum Units

Center Frequency at 25°C Absolute Frequency fc1, 2, 3 403.5 MHz

Insertion Loss ILMIN 1, 3 1.60 2.5 dB

Passband Ripple (Relative to ILMIN) 402-405 MHz 1, 3 1.10 1.25 dB

3 dB Bandwidth BW31, 3 3.0 7.5 MHz

Rejection Attenuation: (relative to ILmin) 358.5 MHz

1, 3

40 65

358.5 - 384 MHz 35 50

415 - 423 MHz 25 35

423 - 503 MHz 40 50

Temperature Freq. Temp. Coefficient FTC -37 ppm/k

Frequency Aging Absolute Value during the First Year |fA| 5 ≤10 ppm/yr

Impedance Match Input/Output 1 50 Ohms

Lid Symbolization (Y=year WW=week S=shift) 560 // YWWS

Standard Reel Quantity Reel Size 7 Inch 9500 Pieces/Reel

Reel Size 13 Inch 3000 Pieces/Reel

• Medical Band (402-405 MHz) Front-End Filter

• Low-Loss, Coupled-Resonator (Lithium Tantalate) LiTa03 Design

• Complies with Directive 2002/95/EC (RoHS)

The RF1419D is a surface-acoustic-wave (SAW) filter designed to provide front-end selectivity in the 402-405

MHz band. This filter is ideal for short range wireless medical data applications where small size and low

power consumption are required features. Receiver designs using this filter include superhet, direct

conversion or superregen. RFM’s advanced SAW design and fabrication technology is utilized to achieve high

performance and optimum loss with simple external impedance matching.

403.5 MHz

SAW Filter

RF1419D

SM3838-8 Case

3.8 x 3.8

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 c onnected to a 50 Ω test system.

2. The frequency fc is defined as the midpoint between the 3dB frequencies.

3. Where noted specifications apply over the entire specified operating temperature range of -10°C to +60°C.

4. 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.

5. The design, manufacturing process, and specifications of this device are subject to change.

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

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

8. Tape and Reel Standard Per ANSI / EIA 481.

9. This product complies with Directive 2002/95/EC of the European Parlament and of the Council of 27 January 2003 on the restriction of the use of

certain hazadous substances in electrical and electronic equipment.

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8Input

Output

Absolute Maximum Ratings

Rating Value Units

Input Power Level 10 dBm

DC V oltage 3VDC

S torage Temperature -40 to +85 °C

Soldering Temperature (10 seconds / 5 cycles max.) 260 °C

Pin Connection

1 Ground

2 Input

3 Ground

4 Ground

5 Ground

6 Output

7 Ground

8 Ground

Matching Circuit to 50Ω

Electrical Connections

Case Dimensions

50Ω50Ω

560

YWWS

Dimension mm Inches

Min Nom Max Min Nom Max

A3.6 3.8 4.0 0.14 0.15 0.16

B3.6 3.8 4.0 0.14 0.15 0.16

C1.00 1.20 1.40 0.04 0.05 0.055

D0.95 1.10 1.25 0.033 0.043 0.05

E0.90 1.0 1.10 0.035 0.04 0.043

F0.50 0.6 0.70 0.020 0.024 0.028

G2.39 2.54 2.69 0.090 0.100 0.110

H1.40 1.75 2.05 0.055 0.069 0.080