Wideband transmitter with high-frequency signal peaking

摘要

A transmitter is provided that includes a voltage-mode driver and a current-mode driver. The current-mode driver includes a plurality of transconductors biased by high-pass filtered versions of a differential output voltage from the voltage-mode driver.

主权项

1. A circuit, comprising:
a voltage-mode driver configured to drive a differential output voltage across a pair of output nodes; a current-mode driver configured to drive a differential current through the pair of output nodes in a first direction responsive to a first polarity of the differential output voltage and in an opposite second direction responsive to an opposite second polarity of the differential output voltage, the current-mode driver including a plurality of transconductors for generating the differential current responsive to corresponding bias voltages; and a plurality of high-pass filters corresponding to the plurality of transconductors, each high-pass filter configured to generate the bias voltage for the corresponding transconductor responsive to the differential output voltage.