Low noise CMOS transmitter circuit with high range of gain

摘要

The invention provides a method for controlling signal transmission gain in response to an input control signal comprising: a) receiving the input control signal; b) generating in response to temperature, a temperature compensated control voltage corresponding to the input control signal; c) linearizing the temperature compensated control voltage for generating a gain control voltage; and, d) controlling a gain circuit in sub-threshold in response to the gain control voltage.