CPC H03M 1/785 (2013.01) [H03M 1/662 (2013.01); H03M 1/742 (2013.01)] | 15 Claims |
1. An apparatus comprising:
a voltage-to-current circuit including a first input terminal, a first output terminal and a second output terminal;
a subtraction circuit including a second input terminal and a third output terminal, the second input terminal coupled to the second output terminal;
a first driver circuit including a third input terminal and a fourth output terminal, the third input terminal coupled to the third output terminal; and
a second driver circuit including a fourth input terminal and a fifth output terminal, the fourth input terminal coupled to the first output terminal, the fifth output coupled to the fourth output terminal.
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