| 摘要 |
A concatenated Reed-Solomon TCM QAM encoder is provided that inputs a series of parallel data bits at a high frequency clock rate, and outputs a certain number of parallel output bits at another high frequency clock rate. The input bit lines and the output bit lines are selected based on the rate of a trellis code modulator within the encoder. In this embodiment, a plurality of rate buffers allow the input data to be written into the buffer in a continuous matter at an input clock, and read out at a higher frequency output clock that is gated so that the number of output clock edges equal the number of input clock edges over a certain period of inputs.
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