3 WIRE -96 -304 -496 -304
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4 WIRE 240 -304 -96 -304
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5 WIRE 240 -272 112 -272
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6 WIRE 480 -256 432 -256
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7 WIRE 240 -240 144 -240
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8 WIRE 240 -208 176 -208
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9 WIRE 112 -16 112 -272
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10 WIRE 112 -16 -336 -16
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11 WIRE 192 -16 112 -16
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12 WIRE 240 -16 192 -16
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14 WIRE 144 16 144 -240
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17 WIRE 176 48 176 -208
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20 WIRE -496 288 -496 -304
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21 WIRE -336 288 -336 -16
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22 WIRE -112 288 -112 16
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24 WIRE -496 400 -496 368
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25 WIRE -336 400 -336 368
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26 WIRE -336 400 -496 400
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27 WIRE -112 400 -112 368
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28 WIRE -112 400 -336 400
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29 WIRE -16 400 -112 400
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32 WIRE -16 432 -16 400
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33 FLAG -656 160 $G_Vss
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41 SYMBOL tpower -656 128 R0
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43 SYMBOL voltage -112 272 R0
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44 WINDOW 3 -283 226 Invisible 0
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45 WINDOW 123 0 0 Left 0
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46 WINDOW 39 0 0 Left 0
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47 SYMATTR Value PWL(0 -5 50E-9 -5 60E-9 -5 110E-9 -5 120E-9 -5 170E-9 -5 180E-9 0 230E-9 0 240E-9 0 290E-9 0 300E-9 0 350E-9 0 360E-9 5 410E-9 5 420E-9 5 470E-9 5 480E-9 5 530E-9 5 550E-9 -5 600E-9 -5 610E-9 -5 660E-9 -5 670E-9 -5 720E-9 -5 730E-9 0 780E-9 0 790E-9 0 840E-9 0 850E-9 0 900E-9 0 910E-9 5 960E-9 5 970E-9 5 1020E-9 5 1030E-9 5 1080E-9 5 1100E-9 -5 1150E-9 -5 1160E-9 -5 1210E-9 -5 1220E-9 -5 1270E-9 -5 1280E-9 0 1330E-9 0 1340E-9 0 1390E-9 0 1400E-9 0 1450E-9 0 1460E-9 5 1510E-9 5 1520E-9 5 1570E-9 5 1580E-9 5 1630E-9 5)
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49 SYMBOL voltage 48 272 R0
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50 WINDOW 3 -440 260 Invisible 0
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51 WINDOW 123 0 0 Left 0
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52 WINDOW 39 0 0 Left 0
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53 SYMATTR Value PWL(0 -5 50E-9 -5 60E-9 0 110E-9 0 120E-9 5 170E-9 5 180E-9 -5 230E-9 -5 240E-9 0 290E-9 0 300E-9 5 350E-9 5 360E-9 -5 410E-9 -5 420E-9 0 470E-9 0 480E-9 5 530E-9 5 550E-9 -5 600E-9 -5 610E-9 0 660E-9 0 670E-9 5 720E-9 5 730E-9 -5 780E-9 -5 790E-9 0 840E-9 0 850E-9 5 900E-9 5 910E-9 -5 960E-9 -5 970E-9 0 1020E-9 0 1030E-9 5 1080E-9 5 1100E-9 -5 1150E-9 -5 1160E-9 0 1210E-9 0 1220E-9 5 1270E-9 5 1280E-9 -5 1330E-9 -5 1340E-9 0 1390E-9 0 1400E-9 5 1450E-9 5 1460E-9 -5 1510E-9 -5 1520E-9 0 1570E-9 0 1580E-9 5 1630E-9 5)
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55 SYMBOL voltage -336 272 R0
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56 WINDOW 3 -53 187 Left 0
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57 SYMATTR Value PWL(0 -5 549n -5 550n 0 1099n 0 1100n 5)
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59 SYMBOL tsign4 336 -304 R0
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61 SYMBOL voltage -496 272 R0
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64 TEXT 16 432 Left 0 !.tran 1650n
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65 TEXT 112 312 Left 0 ;Note: VA and VB are PWL's that cycle through i,0,1;\nat different frequencies. Not on schematic due to length.
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66 TEXT 200 -160 Left 0 ;^ 4-trit sign circuit isn't tested for I3 other than 0\nManually change input to $G_Vss or $G_Vdd,\nexpecting SIGN4 = -5 V and +5 V, to test it.
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