VOLTAGE Van

SWITCHING STATES

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

+V

1

1

0

0

0

1

0

1

0

1

0

1

+2V

1

1

0

0

1

1

0

0

0

1

0

1

+3V

1

1

0

0

1

1

0

0

1

1

0

0

0

0

1

0

1

0

1

0

1

0

1

0

1

−V

0

0

1

1

0

1

0

1

0

1

0

1

−2V

0

0

1

1

0

0

1

1

0

1

0

1

−3V

0

0

1

1

0

0

1

1

0

0

1

1