| 摘要 |
A shaper of multi-phase groups of pulses with adjustable number, pulse width, pause and number thereof in a group comprises a reversible binary counter, a circuit, two synchronous D-flip-flops having an asynchronous reset; first and second two-input elements AND, two elements OR, demultiplexer. Inverter, third element OR, second, third and fourth binary countdown counters are incorporated, counters have a clock input; parallel load inputs and a loading data input, a counting mode enable input, an asynchronous reset and an overflow output. |
