A system for automatically calibrating a main digital to analog converter (DAC) includes first and second adjustment DAC's, an offset DAC, a difference amplifier, an analog to digital converter (ADC), a microprocessor, and an analog switch. To calibrate the offset of the main DAC, the microprocessor...http://www.google.fr/patents/US4222107?utm_source=gb-gplus-shareBrevet US4222107 - Method and apparatus for automatically calibrating a digital to analog converter
Method and apparatus for automatically calibrating a digital to analog converter
