Current-mode receiving device for display system

Details Current-mode receiving device for display system Current-mode receiving device for display system

2005-08-09

2005-08-09

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C330S288000

Reexamination Certificate

active

06927609

ABSTRACT:
A current-mode data receiving device with sufficient fidelity for a display system. The receiving device includes: a current mirror, where an input current signal and a feedback current signal is received at a first terminal thereof and an output current signal with a current magnitude proportional to (e.g., equal to) the sum of the magnitudes of the input current signal and of the feedback current signal is output through a second terminal thereof; and a feedback unit that uses the magnitude of the output current signal as feedback to determined the magnitude and direction of the feedback current to the first terminal, and causes a decreases in the magnitude of the output current signal by a predetermined amount if the output current signal is at a high level, and increases the current magnitude of the output current signal by the predetermined amount if the magnitude of the output current signal is at a low level. Therefore, it is possible to correctly receive even a high-frequency signal and an irregular signal.

REFERENCES:
patent: 6344651 (2002-02-01), Woolaway et al.

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