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Basic Half Wave - DCC H-Bridge Circuit

2016-05-18 20:57  
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Basic Half Wave - DCC H-Bridge Circuit
The next schematic shows a Half DCC H-Bridge circuit in a very basic form. The reversing switch has now been replaced by two transistors that are alternately switched ON and OFF. Oscilloscopes A and B are not relevant to this circuit as the output of the bridge is actually referenced to the common of the power supply. The waveform for the C oscilloscope above does apply to this circuit and illustrates why a 28 volt signal appears at the output while the instantaneous voltage does not exceed one half of the maximum supply voltage.