5
4
3
2
1
D
D
OPTICAL PROXIMITY DETECTOR CIRCUIT K1 +5VDC +5VDC
+5VDC
R2 1K
+5VDC
C
C1 0.01 uF
7
+
6
12
TIL149
R3 100K 3
C
+5VDC
U1A
R1 1.5K
1
SIGNAL OUT
LM339
+5VDC
R4 1.5K
B
B
R5 1.5K
A
A
Title OPTICAL PROXIMITY DETECTOR CIRCUIT Size A Date: 5
4
3
Document Number
Wednesday, March 29, 2000 2
Rev Sheet
1
of 1
1
