Patent ID: 6212241
Filing Date: 2001-04-03
Classification: H04B,H04L

Abstract:
A radio receiver for receiving an input signal, comprising:a detector for detecting a multi-level detected signal from the input signal;an AD converter for converting the multi-level detected signal to a digital signal at intervals determined based on the multi-level detected signal;a first controller for controlling a plurality of operations of the radio receiver, the first controller being capable of operating at both a main clock frequency and a sub clock frequency, wherein the main clock frequency is higher than the sub clock frequency, the operations including data processing of the digital signal comprising decoding the digital signal into received data, storing the received data in a memory, and processing the received data stored in the memory; anda second controller for controlling operation timing of the first controller such that the first controller alternates between operation at the main clock frequency and the sub clock frequency, with the first controller operating at the main clock frequency only within time periods during which the AD converter is not performing AD conversion of the multi-level detected signal.