/diy/ - Do It Yourself

Anonymous Fri Oct 13 14:44:00 2017 No.1259760 [View]
File: 25 KB, 419x274, bridge.png [View same] [iqdb] [saucenao] [google]

>>1259454
I don't see what the lower two diodes would be good for. For a = b = L (or open), all transistors are OFF and the motor floats (or coasts). For a = b = H the low side is OFF, the high side is ON and the motor is shorted (fast stop). I changed the base resistors to 10K because running transistors near B=1 (oversaturation) makes them slower and unnecessarily loads the input.

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/diy/ - Do It Yourself

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