NETWORK GROUP, HYBRID CIRCUIT OA-7424(XW-1)/FCC17.
Final technical rept. on Phase A,
LENKURT ELECTRIC CO INC SAN CARLOS CA
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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 nework. Mechanically, the shelf is unique in the fact that it is mounted in an upside-down position with respect to the conventional mounting of ANFCC-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