9 SYMBOL voltage 96 -48 M90
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10 WINDOW 123 0 0 Left 0
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11 WINDOW 39 0 0 Left 0
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12 WINDOW 3 -78 187 VLeft 0
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13 SYMATTR Value PULSE(-5 5 3u 1n 1n 30u 60u)
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14 SYMATTR InstName CLK_F1
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15 SYMBOL voltage 64 384 M90
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16 WINDOW 3 32 56 VTop 0
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17 WINDOW 0 -32 56 VBottom 0
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18 SYMATTR Value PULSE(-5 5 10u 1n 1n 30u 60u)
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19 SYMATTR InstName CLK_X1
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20 TEXT -64 -240 Left 0 ;2-phase clock generator.\nCould be physically realized with 556 timer.
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