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MICRF009 bảng dữ liệu(PDF) 13 Page - Micrel Semiconductor

tên linh kiện MICRF009
Giải thích chi tiết về linh kiện  QwikRadio Low-Power UHF Receiver
PDF  16 Pages
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nhà sản xuất  MICREL [Micrel Semiconductor]
Trang chủ  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MICRF009 bảng dữ liệu(HTML) 13 Page - Micrel Semiconductor

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Micrel
MICRF009
January 18, 2005
13
M9999-011805
(408) 955-1690
Application Example
315MHz Receiver/Decoder Application
Figure 8 illustrates a typical application for the MICRF009
UHF Receiver IC. This receiver operates continuously (not
duty cycled) in sweep mode, and features 6-bit address
decoding and two output code bits.
Operation in this example is at 315MHz, and may be
customized by selection of the appropriate frequency
reference (Y1), and adjustment of the antenna length. The
value of C4 would also change if the optional input filter is
used. Changes from the 1kbps data rate may require a
change in the value of R1. A bill of materials accompanies
the schematic.
Figure 8. 315Mhz, 1.2kbps On-Off Keyed Receiver with Decoder
Sweep Mode
Bill of Materials
Item
Part Number
Manufacturer
Description
Qty
C1, C5
Vishay
(1)
4.7
µF ceramic or tantalum capacitor
2
C2
Vishay
(1)
0.1
µF ceramic or tantalum capacitor
1
C3
Vishay
(1)
2.2
µF ceramic or tantalum capacitor
1
C4
Vishay
(1)
8.2pF COG ceramic capacitor
1
Y1
See Crystal App. Note
9.81 ceramic resonator
1
D1
SSF-LX100LID
Lumex
(2)
Red LED
1
L1
0603CS-47NX_BC
Coil Craft
(5)
47nH Inductor
1
R1
68k, 1/4W, 5%
1
R2
Vishay
(1)
1k, 1/4W, 5%
1
U1
MICRF009
Micrel
(3)
UHF receiver
1
U2
HT-12D
Holtek
(4)
Logic decoder
1
Notes:
1.
Vishay tel: 203-268-6261
2.
Lumex tel: 800-278-5666
3.
Micrel Semiconductor
tel: 408-944-0800
4.
Holtek tel: 408-894-9046
5.
Coil Craft tel: 847-639-2361



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