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UX-L46V/UX-L36V
GP1UM261XK (IC750) : Detecting unit for remote control
1.Block diagram
Amp
TC7S08F-W (IC106) : Buffer
1. Pin layout
IN B
1
IN A
2
Vss
3
TC7W08FU-X (IC107) : Nand gate
1. Pin layout & Block diagram
1A
1
1B
2
2Y
3
GND
4
1-46
Limiter
B.P.F
2. Block diagram
5
VDD
A
B
4
OUT X
2. Truth table
Vcc
8
7
1Y
2B
6
2A
5
Integrator
Demodulator
GND
A
B
Y
L
L
L
L
H
L
H
L
L
H
H
H
R
L
Comp-
arator
Vcc
Vout
Vcc
GND
Y
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