Importance

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Abstract

An apparatus and method for use in conversion of bidirectional signals are provide. Some embodiments, use dual-value up/down counters chained together to alter the ratio of input to output signals between N and N+1 such that an averaged output is a non-integral multiple of the input. The maximum value for each counter can be N or N+1 according to the next counter. An output signal is asserted when the maximum value is reached, and a count signal is output on the next up count, resetting the counter to zero. An output signal is asserted when the counter equals zero, and a count signal is output on the next down count, setting the counter to the currently selected maximum value. Direction signal is common to counters, and count output is count input of the next counter. Output count of first counter is final circuit count output.

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First Claim