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PDF ESW5221 Data sheet ( Hoja de datos )
| Número de pieza | ESW5221 | |
| Descripción | 27MHz FM/FSK Transmitter | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ESW5221 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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ESW5221
27MHz FM/FSK
Transmitter
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
June 2008
1 page  
ESW5221
27MHz FM/FSK Transmitter
1 Introduction
The ESW5221 single-chip solution is an integrated circuit intended for use as a low
cost FSK transmitter to establish a frequency-agile RF link. The device is designed
to provide a 10-channel transmitter and intended for linear (FM) or digital (FSK)
modulated applications in the wireless Mouse and Keyboard. The single chip
transmitter operates down to 2.2V minimum and is expressly designed for low power
consumption. It offers synthesizer with a typical channel spacing of approximately
30KHz to allow narrow-band applications.
2 Feature Description
Single-Chip RF Transmitter
Include oscillation circuit with external X-TAL.
On-Chip Phase-Locked Loop (PLL)
Power Down mode
2.2 to 5.0V supply range
3 Application
Wireless Mouse
Wireless Keyboard
Wireless Communication Products
4 Block Diagram
Figure 4-1 ESW5221 Block Diagram
Product Specification (V1.0) 06.06.2008
(This specification is subject to change without further notice)
•1
5 Page 
ESW5221
27MHz FM/FSK Transmitter
10 Components List
Item Part Type
1 Variable Capacitor 20P
2 C.F Resistor 1KΩ
3 C.F Resistor 39KΩ
4 C.F Resistor 22KΩ
5 C.F Resistor 100KΩ
6 Ceramic Capacitor 33P NPO
7 Ceramic Capacitor 120P NPO
8 Ceramic Capacitor 150P NPO
9 Ceramic Capacitor 102 X7R
10 Ceramic Capacitor 4n7 X7R
11 Ceramic Capacitor 0.15UF(154)
12 Ceramic Capacitor 0.1UF(104)
13 Electrolytic Capacitor 100u 6.3V
14 Variable diodes 1SV270
15 Inductor 390nH
16 Inductor 820nH
17 Crystal 4M30P1 49US
18 Dip Switch 4P
19 ESW5221
Designators Manufacture
VC
R6, R9.
R3.
R5.
R4.
C5.
C4.C9.C10
C8.
C3.
C2
C1.
C12.
C13.
D1.
L2.
L1.
Y1.
SW1.
U1
Toshiba
King core or WALSIN
King core or WALSIN
ELAN
Remark
Product Specification (V1.0) 06.06.2008
(This specification is subject to change without further notice)
•7
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet ESW5221.PDF ] | |
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