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PDF ESW5211 Data sheet ( Hoja de datos )
| Número de pieza | ESW5211 | |
| Descripción | 27MHz FSK Receiver | |
| Fabricantes | ELAN Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ESW5211 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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ESW5210/5211
27MHz FSK Receiver
Product
Specification
DOC. VERSION 1.0
ELAN MICROELECTRONICS CORP.
June 2008
1 page  
ESW5210/5211
27MHz FSK Receiver
1 Introduction
The ESW5210/5211 single-chip solution is an integrated circuit intended for use as a
low cost FSK receiver to establish a frequency-agile RF link. The device is designed
to provide a 10-channel receiver and intended for digital (FSK) modulated applications
in the wireless Mouse and Keyboard. The chip operates at 2.7V 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
On-Chip Phase-Locked Loop (PLL)
Include oscillation circuit with external X-TAL (4.0MHz).
Standby mode for power saving.
2.7 to 5.5V power supply range
3 Application
Wireless Mouse
Wireless Keyboard
Wireless Communication Products
4 Block Diagram
MIX_IN
MIX_O
LIM_I DEC1
DEC2 LIM_O DEM_I
DEM_O FIL_P PIL_N
MIXER
Demodulator
FIL_0
IF & Limiting AMP
VCO
Phase
Detector
Prescaler
&
N counter
PFSET
R Counter
Control Logic
ROM Code
Oscillator
V Reference
Bandgap
ENB
VCO1 VCO2
CPO
XTAL
D3 D2 D1 D0
VDD GND VDD
CHCLK
Figure 4-1 ESW5210/5211 Block Diagram
Product Specification (V1.0) 06.05.2008
(This specification is subject to change without further notice)
•1
5 Page 
ESW5210/5211
27MHz FSK Receiver
9 Application Circuit
9.1 ESW5210
27MHz
RFIN
C5
D1
L3
C18
C12 L2 VC
C10
C11
CF1
R4
C17
C7
C6
C4
1
2
3
4
5
6
7
8
9
10
11
12
L1
VDD
ENB*
CHCLK
ESESWW55221010
24
23
22
21
20
19
18
17
16
15
14
13
R3
C1
Y1
R2
R1
455K LC Tank or Discriminator
YIC CDBM455C28
C2
VDD
C8
C16
C9
DC5V
R8
RP
RG
CP
DATA O/P
C3
R7
R5
C15
R6
C14
* ENB: “Low” for Operating Mode / “High” for Idle Mode
Figure 9-1 ESW5210 Application Circuit
Product Specification (V1.0) 06.05.2008
(This specification is subject to change without further notice)
•7
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ESW5211.PDF ] | |
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