Differential data transmitter

Details Differential data transmitter Differential data transmitter

2005-05-24

2005-05-24

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S090000, C326S082000

Reexamination Certificate

active

06897685

ABSTRACT:
A differential data transmitter includes a first pre-driver configured to receive a differential data signal, a delay circuit configured to receive the differential data signal in parallel with the first pre-driver, and output the differential data signal with a delay time, and a second pre-driver configured to receive an output signal from the delay circuit. The delay circuit is capable of changing the delay time in accordance with a control signal. An output driver is configured to receive first and second output signals from the first and second pre-drivers, and output a pre-emphasis waveform signal that corresponds to a subtraction signal between the first and second output signals.

REFERENCES:
patent: 5264745 (1993-11-01), Woo
patent: 5495186 (1996-02-01), Kanazawa et al.

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