參數(shù)資料
型號(hào): EM4150A6CI2LB
英文描述: Multiphase PWM Controller for CORE Voltage Regulation; Temperature Range: 0&degC to 70°C; Package: 24-SOIC
中文描述: 模擬雜項(xiàng)
文件頁(yè)數(shù): 3/14頁(yè)
文件大?。?/td> 197K
代理商: EM4150A6CI2LB
EM4150
EM4350
Copyright
2002, EM Microelectronic-Marin SA
11
www.emmicroelectronic.com
Communication from the Transceiver to the Transponder (RECEIVE MODE)
(cont.)
While the transceiver is sending data to the transponder, two different modulations will be observed on both coils. During
the first half of the bit period, the EM4150 is switching "ON" its modulation device causing a modulation of the RF field. This
modulation can also be observed on the transceiver's coil. The transceiver sending a bit "0" will switch "OFF" the field,
causing a 100% modulation being observed on the transponder coil.
Transceiver
Coil
Transponder
Coil
"1"
"0"
16
Periods of RF field (Opt 32):
Bit
Period
DATA
:
Modulation induced by the Transceiver
Modulation induced by the Transponder
16
*
* Recommended
Minimum
: 7/4 periods (Opt64/Opt32)
16
Periods of RF field (Opt 64):
32
: 1 period
Fig. 23
相關(guān)PDF資料
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EM4150A6CI2LC Multi-Purpose Precision Multiphase PWM Controller With Optional Active Voltage Positioning; Temperature Range: 0&degC to 70°C; Package: 16-SOIC
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