Pulse receiving circuit and signal transmission device

A signal transmission device comprising:

• a pulse transmission circuit arranged to generate a first transmission pulse signal and a second transmission pulse signal according to an input pulse signal;
• a first transformer and a second transformer arranged to isolate between input and output and to respectively transmit the first transmission pulse signal and the second transmission pulse signal as a first reception pulse signal and a second reception pulse signal to poststage;
• a pulse receiving circuit arranged to generate a reception pulse signal according to the first reception pulse signal and the second reception pulse signal;
• and
• a driver arranged to generate an output pulse signal according to the reception pulse signal,
• wherein the pulse receiving circuit comprises:
• a first pulse detector arranged to receive a differential input between the first reception pulse signal at a secondary winding of the first transformer and the second reception pulse signal at a secondary winding of the second transformer;
• a second pulse detector arranged to receive the differential input between the first reception pulse signal and the second reception pulse signal with input polarity reversed to that of the first pulse detector;
• and
• a logic unit arranged to generate the reception pulse signal based on output signals of the first pulse detector and the second pulse detector.