Patent ID: 6150970
Filing Date: 2000-11-21
Classification: H03M

Abstract:
A system for converting a digital signal to an analog signal, comprising:a first plurality of digital to analog converters connected in parallel for providing a first plurality of output signals, each of said first plurality of digital to analog converters responsive to the digital signal;a first summer connected to said first plurality of digital to analog converters, said first summer providing a first electrical sum of said first plurality of output signals;an inverter responsive to the digital signal for providing a negative of said digital signal;a second plurality of digital to analog converters connected in parallel for providing a second plurality of output signals, each of said second plurality of digital to analog converters responsive to said negative of the digital signal; and,a second summer connected to said second plurality of digital to analog converters, said second summer providing a second electrical sum of said second plurality of output signals.