Waveform generation circuit

摘要

Waveform generation circuits are provided. A waveform generation circuit includes a waveform generation block configured to generate a waveform signal corresponding to a driving control signal, and a control signal generation block configured to generate the driving control signal to compensate the waveform signal for an environmental factor affecting the waveform generation circuit.

主权项

1. A waveform generation circuit, comprising:
a waveform generation block configured to generate a waveform signal corresponding to a driving control signal, the waveform generation block comprising a variable current generation unit configured to generate a current corresponding to the driving control signal, and the variable current generation unit comprising a current source connected between a power source voltage terminal and an output terminal configured to output the waveform signal; and a control signal generation block configured to
divide an internal reference voltage into a plurality of divided voltages,select one of the divided voltages based on comparisons of a voltage level of the waveform signal with reference voltages configured to define target voltage levels of the waveform signal, andgenerate the driving control signal according the one of the divided voltages.