CPC H04B 3/56 (2013.01) [G05F 1/46 (2013.01); H04B 3/06 (2013.01)] | 20 Claims |
1. A data transmission system, comprising:
a first circuit comprising a transmitter powered by a first power supply voltage with respect to ground and having an input for receiving a data output signal, and an output;
a second circuit comprising a receiver powered by a second power supply voltage with respect to ground and having a first input coupled to said output of said transmitter, a second input for receiving a reference voltage, and an output for providing a data input signal; and
a reference voltage generation circuit forming said reference voltage by mixing a first signal generated by said first circuit based on said first power supply voltage and a second signal generated by said second circuit based on said second power supply voltage.
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