Patent ID: 8295785

Claim:
A method of operating a system in which a signal processing device is subject to phases of temporary disconnections, the method comprising: switching on the signal processing device; in response to the signal processing device being switched on, causing an initialization circuit to initialize a first mixer unit and a second mixer unit, the first mixer unit comprising a first mixer, a second mixer and a first frequency converter, the first frequency converter of the first mixer unit being connected to the initialization circuit, the second mixer unit comprising a third mixer, a fourth mixer and a second frequency converter, the second frequency converter of the second mixer unit being connected to the initialization circuit; wherein the initialization circuit initializes the first mixer unit and the second mixer unit using a reset signal which simultaneously addresses the first mixer unit of a first data processing path and the second mixer unit of a second data processing path, the first data processing path being arranged in parallel to the second data processing path; wherein the first frequency converter and the second frequency converter each receive a signal from an oscillator circuit.