Phase detector for a ternary signal

Details Phase detector for a ternary signal Phase detector for a ternary signal

1995-11-07

1998-03-24

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 74, 327 62, 326 59, 326 60, H03K 522

Patent

active

057317194

ABSTRACT:
A method and apparatus for recovering timing information from a ternary signal includes transforming a ternary signal into a binary signal while retaining the necessary timing information. A two facet circuit initially receives a ternary signal, one that includes three levels of values. A first facet of this circuit transforms the ternary signal into two binary signals, each having one of the three levels represented by one value and both having the same level represented by the other value. The second facet of this circuit combines the two binary signals to produce a third binary signal that has one value representing one level and another value representing the two other levels.

REFERENCES:
patent: 4302690 (1981-11-01), Gollnger et al.
patent: 4449065 (1984-05-01), Davies, Jr.
patent: 4682052 (1987-07-01), Kyomasu
patent: 5045728 (1991-09-01), Crafts
IBM Technical Disclosure Bulletin (Gruodis, A.J.), vol. 4, No. 1, Jun. 1961 .

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