Current-mode differential transmitter and receiver

Details Current-mode differential transmitter and receiver Current-mode differential transmitter and receiver

2007-10-04

2010-02-16

Luu, An T (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Converting input voltage to output current or vice versa

C327S108000, C323S315000, C330S257000

Reexamination Certificate

active

07663410

ABSTRACT:
A current-mode differential transmitter, receiving a single-end input voltage signal and accordingly generating a differential output current signal, is provided. The transmitter includes a first switch, a second switch and a current mirror. The first switch is coupled in a first current path and controlled by the single-end input voltage signal. The second switch is coupled in a second current path and controlled by an inverted signal of the single-end input voltage signal. The current mirror mirrors a reference current to the first current path when the first switch is turned on, and mirrors the reference current to the second current path when the second switch is turned on. The differential output current signal is derived from the currents on the first and second current paths.

REFERENCES:
patent: 5504782 (1996-04-01), Campbell, Jr.
patent: 5594383 (1997-01-01), Tamba
patent: 6504432 (2003-01-01), Rokhsaz
patent: 6624701 (2003-09-01), Chrappan Soldavini
patent: 6888407 (2005-05-01), Ramazan et al.

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