The invention relates to the field of automation and computer engineering and can be used in the phase synchronization systems and systems precision-phase synchronous drive. The technical result - additional functionality to the pulse frequency of the phase discriminator associated with the pre-installation configuration required. For this purpose, the known device comprising a phase comparing unit, two locking latch and a NOR element, further administered three D-flip-flop and two OR element. This allows you to extend the functionality of a pulsed frequency-phase discriminator due to the introduction of additional features Push Installation discriminator in the desired operating mode. 3 yl.
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