Patent ID: 8710869
Filing Date: 2014-04-29
Classification: H03F,H03K

Abstract:
1. A die comprising a comparator, the comparator comprising: a first transistor comprising a drain, a source, and a gate; a second transistor comprising a drain, a source, and a gate; a first input port connected to the gate of the first transistor; a second input port connected to the gate of the second transistor; an output port having an output voltage and connected to the drain of the second transistor; a current mirror coupled to the first and second transistors; a current source connected to the sources of the first and second transistors; a first capacitor connected to the source of the second transistor, the current mirror comprising: a third transistor comprising a gate, a source, and a drain connected to the drain of the first transistor and connected to the gate of the third transistor; a fourth transistor comprising a gate connected to the gate of the third transistor, a source connected to the source of the third transistor, and a drain connected to the drain of the second transistor; and a second capacitor comprising a first terminal connected to the gate of the second transistor, and comprising a second terminal connected to the gates of the third and fourth transistors.