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- BÁO CÁO VỀ HỒNG NGOẠI
Nguyễn Mậu Tuấn Vương.
Overview:
Speed : 3.10^8 m/s.
Wavelength: from 0.86μm to 0.98μm.
To transmit channels.
To limit:…
- To transmit Infrared
To transmit
To emit FM
equipment
Collect Convert from
channel encoder
Parallet to series.
Waver by
crystal
- To receive infrared
Convert from
To receive To amplify Series
infrared and rectify decoder
to parallet.
Waver by
crystal Controller
- Ic PT2248
Overview:
o 16 pins.
o 18 channels.
o Has 6 continuous keys.
o Has 12 singleshot keys.
o To use crystal 455MHz.
o Source 3V.
- Ic PT2249
Overview:
o 16 pins.
o 10 channels.
o PT2249A(5HP and 5SP); PT2249Al,
PT2249AHN( 5HP, 2CP, 3SP).
o Source 5V.
- Controller DC
Vcc
DC
GND
- THE END
THANKS FOR WATCHING!
nguon tai.lieu . vn