Digital Processing Clock

Abstract

The Digital Processing Clock SG 1157/U has been developed by Naval Research laboratory and is: (1) compatible with the PTTI world where it can be driven by an external cesiuri and built in test equipment shows synchronization with that cesium through the 1 PPS. (2) built to be expandable to accommodate future time keeping needs of the Navy as well as any other time ordered functions. Examples of this expandibility are the recent inclusion of an unmodulated XR3 time code and the 2137 modulated time code (XR3 with 1 kHz carrier). The Digital Processing Clock is designed to make precision time available in visual and electronic form. The system consists of one digital processing clock (SC 1157/U) four remote display units (tu 2170/U) and contains state%of-the%art electronic devices. In all instances where it has been available, military-specified hardware has been utilized. The clock provides all necessary timing information to enable the generation of a wide range of time codes and time related information for future. applications.

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Document Details

Document Type
Technical Report
Publication Date
Dec 01, 1981
Accession Number
ADA492986

Entities

People

  • D. H. Phillips

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Energy and Power Technologies
  • Materials and Manufacturing Processes

DTIC Thesaurus Topics

  • Abstracts
  • Accuracy
  • Clocks
  • Demographic Cohorts
  • Electronic Components
  • Frequency
  • Frequency Standards
  • Inclusions
  • Intervals
  • Led Display Systems
  • Microsecond Time
  • Military Research
  • Oscillators
  • Power Supplies
  • Precision
  • Standards
  • Test Equipment

Readers

  • Computer Science.
  • Positioning, Navigation, and Timing (PNT) Technology.

Technology Areas

  • Microelectronics