![](/html/UTC/884699/page4.png)
UPC1237
TEST CIRCUIT
Preliminary
LINEAR INTEGRATED CIRCUIT
Switch positions
Item
VTH 1
VTH +2
VTH -2
VTH 4
V8
SW 1
1
2
2
2
2
TYPICAL APPLICATION CIRCUIT
SW 2
3
1
2
3
3
SW3
2
2
2
1
2
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QW-R107-065.a