參數(shù)資料
型號： EM4170A5CI2LB
英文描述： Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: -40°C to 85°C; Package: 20-QFN
中文描述： 模擬雜項
文件頁數(shù)： 4/13頁
文件大?。?/td> 142K
代理商： EM4170A5CI2LB
EM4170
Copyright
2002, EM Microelectronic-Marin SA
12
www.emmicroelectronic.com
Communication from the Transceiver to the Transponder
Transceiver
Coil
Transponder
Coil
"1"
"0"
16
Periods of RF field :
Bit Period
DATA :
Modulation induced by the Transceiver
Modulation induced by the Transponder
16
*
* Recommended
Minimum
: 4
: 1
periods
period
16
Fig. 17
Pad Assignment
Pin
Name
Description
1
COIL1
Coil connection
2
VPOS
Unregulated positive supply
3
VDD
Positive supply
4
TEST_OUT
Test pad output
5
TEST
Test pad with pull down
6
TEST_CLK
Test pad with pull down
7
VSS
Negative supply
8
COIL2
coil connection
Pad Location
Fig. 18
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