Accession Number : AD0461670

Title :   NETWORK GROUP, HYBRID CIRCUIT OA-7424(XW-1)/FCC17.

Descriptive Note : Final technical rept. on Phase A,

Corporate Author : LENKURT ELECTRIC CO INC SAN CARLOS CA

Personal Author(s) : Curry, Thomas F. ; Charrier, C. Dean

Report Date : 30 OCT 1964

Pagination or Media Count : 18

Abstract : This report contains a summary of design and development problems and a theoretical discussion of the Network Group, Hybrid Circuit, which was designed and developed to provide two-wire termination for 12 four-wire voice frequency circuits. Transhybrid balance, is accomplished either by strapping-in an internal compromise balancing network or by utilizing an external precision balancing ne/work. Mechanically, the shelf is unique in the fact that it is mounted in an upside-down position with respect to the conventional mounting of AN/FCC-17 shelves. The predicted Mean Time Between Failure of two Network Group, Hybrid Circuits (24 channels) is 5820 hours with a Point Availability of 99.995%. (Author)

Descriptors :   *VOICE COMMUNICATIONS, *MULTICHANNEL COMMUNICATIONS, AIR FORCE RESEARCH, NETWORKS, FIELD WIRE COMMUNICATIONS, CAPACITANCE, CIRCUITS, MULTIPLEXING, MODULES(ELECTRONICS), COMMUNICATION EQUIPMENT, RELIABILITY, ELECTRICAL RESISTANCE, RADIOTELEPHONES, SINGLE SIDEBAND COMMUNICATIONS.

Distribution Statement : APPROVED FOR PUBLIC RELEASE