21-11-2013 дата публикации
Номер: US20130311816A1
A circuit for delaying an input signal includes first and second delay units. The input signal is switched to the first delay unit which is configured to delay the input signal by k cycles of a first clock signal so as to generate a value xand transfer the input signal to the second delay unit. The second delay unit includes a converter and a second shift register. The converter is connected to the second shift register by n leads. The value xand a value xare present at the converter, where xis the input signal delayed by k− cycles of the first clock signal, The converter is configured such that the value xis present on leads 1 to m and the value xis present on leads m+1 to n. The second shift register is configured to successively output values present on leads 1 to n. 1. A circuit for controllably delaying an input signal , the circuit comprising:{'sub': t', {'sub2': '—'}, 'k, 'a first delay unit and a second delay unit, the input signal being switched to the first delay unit which is configured to delay the input signal by k cycles of a first clock signal so as to generate a value x, and transfer the input signal to the second delay unit,'}wherein the second delay unit comprises a converter and a second shift register, the converter being connected to the second shift register by n leads,{'sub': t', {'sub2': '—'}, 'k', 't', {'sub2': '—'}, 'k−1', 't', {'sub2': '—'}, 'k−1, 'wherein the value xand a value xare present at the converter, xbeing the input signal delayed by k−1 cycles of the first clock signal,'}{'sub': t', {'sub2': '—'}, 'k−1', 't', {'sub2': '—'}, 'k', 't', {'sub2': '—'}, 'k−1', 't', {'sub2': '—'}, 'k, 'wherein the converter is configured such that the value xis present on leads 1 to m and the value xis present on leads m+1 to n, where 1≦m≦n−1, or such that the value xor xis present at all leads 1 to n, and'}wherein the second shift register is configured to successively output values present on leads 1 to n as an output signal of the circuit.2. The ...
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