Accession Number:

ADA458801

Title:

A Direct-Reading Four-Decade Divider

Descriptive Note:

Final rept.

Corporate Author:

NAVAL RESEARCH LAB WASHINGTON DC

Personal Author(s):

Report Date:

1952-10-31

Pagination or Media Count:

25.0

Abstract:

A proposal for a direct-reading frequency meter was made in NRL Report 3527 entitled Portable Precision Frequency Meter. The most unique but least known feature in the recommendation was the direct-reading four-decade divider which would provide division by any integer, including prime numbers up to 10,999, without becoming frequency sensitive below its upper operating limit. The divider differs from other types of multiple-decade dividers because division by any whole number, including prime numbers, may be selected and continuously obtained, and the actual division ratio may be directly read from the dial settings. A direct-reading four-decade frequency divider, successfully completed at NRL, was developed to provide step-frequency control of a disciplined oscillator as used in a frequency meter. The divider operates for any input frequency from the low audio range up to 450 kc without any form of adjustment except the selection of division ratio. This is a final report on one of the three major phases of the frequency-meter problem work continues on the other two phases.

Subject Categories:

  • Radio Communications

Distribution Statement:

APPROVED FOR PUBLIC RELEASE