*** file   : simplis_040_digitalsignalsource.txt
*** example: simplis_040_digitalsignalsource_example.sxsch
***
*T
*I
*M
*E  	A	B	C	D
0000	0	0	0	0
450n	1	0	0	0
650n	0	0	0	0
750n	1	0	1	1
850n	0	0	0	0
1000n	0	0	0	0
1450n	0	1	0	0
1650n	0	0	0	0
1750n	1	1	0	1
1850n	0	0	0	0
2000n	0	0	0	0
2450n	0	0	1	0
2650n	0	0	0	0
2750n	1	1	1	0
2850n	0	0	0	0
3000n	0	0	0	0
3450n	0	0	0	1
3650n	0	0	0	0
3750n	0	1	1	1
3850n	0	0	0	0