RF1419D Просмотр технического описания (PDF) - RF Monolithics, Inc
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RF1419D Datasheet PDF : 3 Pages
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• Medical Band (402-405 MHz) Front-End Filter
• Low-Loss, Coupled-Resonator (Lithium Tantalate) LiTa03 Design
• Complies with Directive 2002/95/EC (RoHS)10 Pb
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 fabri-
cation technology is utilized to achieve high performance and optimum loss with simple external
impedance matching.
RF1419D
403.5 MHz
SAW Filter
Electrical Characteristics
Characteristic
Center Frequency at 25°C Absolute Frequency
Insertion Loss
Passband Ripple (Relative to ILMIN) 402-405 MHz
3 dB Bandwidth
Rejection Attenuation: (relative to ILmin)
358.5 MHz
358.5 - 384 MHz
415 - 423 MHz
423 - 503 MHz
Temperature
Freq. Temp. Coefficient
Frequency Aging
Absolute Value during the First Year
Impedance Match
Input/Output
Lid Symbolization (Y=year WW=week S=shift)
Standard Reel Quantity
Reel Size 7 Inch
Reel Size 13 Inch
Sym
fc
ILMIN
BW3
FTC
|fA|
Notes
1, 2, 3
1, 3
1, 3
1, 3
1, 3
5
1
9
SM3838-8 Case
3.8 x 3.8
Minimum
Typical Maximum
403.5
1.60
2.5
1.10
1.25
3.0
7.5
40
65
35
50
25
35
40
50
-37
≤10
50 Ohms
560 // YWWS
500 Pieces/Reel
3000 Pieces/Reel
Units
MHz
dB
dB
MHz
dB
ppm/k
ppm/yr
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.
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. Typ-
ically, 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.
RF Monolithics, Inc. Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com
http://www.rfm.com
RF1419D-052907
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