Bi-directional voltage translator

Details Bi-directional voltage translator Bi-directional voltage translator

H - Electricity

03

H

H03H 11/02 (2006.01) H03K 19/0175 (2006.01) H03K 19/0185 (2006.01)

Patent

CA 2202123

A bi-directional voltage translator (102) includes a first port (300/302), a second port (302/300), and a switch circuit (310). The first port (300/302) communicates a first signal at a first voltage or a second voltage (V1/V2). The second port (302/300) communicates a second signal at the first voltage or a third voltage (V2/V1). The second and third voltages (V1, V2) are different. The switch circuit (310) is coupled to the first port (300/302) and the second port (302/300). The switch circuit (310), responsive to the first signal at the first voltage and the second signal at the third voltage (V2/V1), communicates to the second port (302/300) the second signal at the first voltage. The switch circuit (310), responsive to the second signal at the first voltage and the first signal at the second voltage (V1/V2), communicates to the first port (300/302) the first signal at the first voltage.

L'invention est un dispositif bidirectionnel de transmission de tensions (102) comportant un premier port (300/302), un second port (302/300) et un circuit de commutation (310). Le premier port (300/302) transmet un premier signal à une première tension ou à une deuxième tension (V1/V2). Le second port (302/300) transmet un second signal à la première ou à une troisième tension (V2/V1). La deuxième et la troisième tensions (V1, V2) sont différentes. Le circuit de commutation (310) est couplé au premier port (300/302) et au second port (302/300). Il répond au premier signal à la première tension et au second signal à la troisième tension (V2, V1), et transmet au second port (302/300) le second signal à la première tension. Par ailleurs, il répond au second signal à la première tension et au premier signal à la seconde tension (V1/V2), et transmet au premier port (300/302) le premier signal à la première tension.

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