Patent ID: 6864723
Filing Date: 2005-03-08
Classification: H03F,H03L

Abstract:
1. A transconductance amplifier comprising: a first circuit that receives an input voltage and that generates a first current signal, the first circuit supplying a current output including at least a portion of the first current signal, and a second circuit that receives the input voltage and that generates a second current signal based on the input voltage, at least a portion of the second current signal being provided to the first circuit to be included in the current output; wherein the first current signal provides more than half the current output while the input voltage is within a first range of voltages wherein the second current signal provides more than half of the current output while the input voltage is outside the first range of voltages, wherein said second current signal is included in the current output when the input voltage is in the first range of voltages and outside the first range of voltages.