Patent ID: 6532370
Filing Date: 2003-03-11
Classification: H03M,H04B,H04W

Abstract:
A cellular communications handset comprising:a receiver operable to receive radio signals and to convert them into electrical signals; an analog to digital converter coupled to the receiver, the analog to digital converter converting an analog input to a digital output having an adjustable number of bits at an adjustable sampling frequency, the analog to digital converter further comprising: two or more one-bit stages, the first stage configured to process high current signals, each successive stage configured to process signals having lower current than the preceding stage, and wherein the cellular telephone application specific integrated circuit is operable to adjust the sampling frequency and number of bits sampled by the analog to digital converter by selecting an input that bypasses the first stage and a predetermined number of successive stages; and a cellular telephone application specific integrated circuit coupled to the analog to digital converter, the cellular telephone application specific integrated circuit operable to process the digital output to extract encoded telecommunications data.