Abstract: There is provided an apparatus for processing timestamps generated by two or more time-to-digital converters (TDCs) that comprises: at least two TDCs, a reference clock, a counter and a stream generator that output a timestamp data stream (TD #1), a first input signal that is periodic or quasi periodic, a second input signal, an electronic circuit or computer program that takes said timestamp data stream as an input and generates a new timestamp data stream (TD #2). Said electronic circuit or computer program performs refining and rescaling calculations thereby providing means to enhance the accuracy of a plurality of timestamps and to express a plurality of timestamps in a different time reference frame.

Abstract: There is provided an apparatus for processing timestamps generated by two or more time-to-digital converters (TDCs) that comprises: at least two TDCs, a reference clock, a counter and a stream generator that output a timestamp data stream (TD #1), a first input signal that is periodic or quasi periodic, a second input signal, an electronic circuit or computer program that takes said timestamp data stream as an input and generates a new timestamp data stream (TD #2). Said electronic circuit or computer program performs refining and rescaling calculations thereby providing means to enhance the accuracy of a plurality of timestamps and to express a plurality of timestamps in a different time reference frame.