Circuit arrangement for the conversion of a 1-bit digital signal into an analog signal

摘要

The circuit converts a 1-bit digital signal with a predetermined sampling frequency into an analogue signal. The circuit includes a multiplier which receives a digital signal at one of its inputs and a reference signal at its other input. A delay device also receives the digital signal a shifts it by one period of the sampling frequency. A second multiplier receives the output of the delay device at one input and a reference signal at its other input. The outputs of the two multipliers are added to from an analogue signal.