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參數資料
| 型號： | EM4170A5CB2RC |
| 英文描述： | Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 16-SOIC |
| 中文描述： | 模擬雜項 |
| 文件頁數： | 6/13頁 |
| 文件大小： | 142K |
| 代理商： | EM4170A5CB2RC |
EM4170
Copyright
2002, EM Microelectronic-Marin SA
2
www.emmicroelectronic.com
System Principle
READ MODE
Signal on
Transponder coil
Signal on
Transceiver coil
Data
RF Carrier
RECEIVE MODE
Antenna
Driver
Oscillator
Demodulator
Filter
and
Gain
Data decoder
Data received
from transponder
Tranceiver
Transponder
Coil1
Coil2
EM4170
Modulator
Data to be sent
to transponder
Signal on
Transponder coil
Signal on
Transceiver coil
Data
RF Carrier
Fig. 2
Block Diagram
Modulator
Encoder
AC/DC
converter
Clock
Extractor
Data
Extractor
Sequencer
Command
Decoder
Cr
V
POS_REG
RESET
PWR
Cs
GND
Control
Logic
EEPROM
Crypto-
Algorithm
V
DD
Serial
Data
Power
Control
Coil1
Coil2
Fig. 3
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