Digital driver with class AB output stage

Details Digital driver with class AB output stage Digital driver with class AB output stage

1993-03-18

1995-01-17

Sikes, William L.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

327170, 327333, 326 83, H03K 301, H03K 501, H03K 1760, H03K 1908

Patent

active

053828380

ABSTRACT:
A low power (10 mW), high-speed (50 Mb/s) digital driver is formed from three analogue components: level shifter to limit the output swing, waveshaper to limit the slew-rate of the output transition, and a Class AB output stage to buffer the signal. The components afford flexibility to meet the demands of different applications. The driver can be limited to 1V swing for terminated applications such as for backplanes, or it can be limited to 1V swing for unterminated applications such as intraboard (PCB) communication.

REFERENCES:
patent: 4121203 (1978-10-01), Edwards et al.
patent: 4191898 (1980-03-01), Ulmer
patent: 4571506 (1986-02-01), Lisco
patent: 4587491 (1986-05-01), Koterasawa
patent: 5028824 (1991-07-01), Young
patent: 5070255 (1991-12-01), Shin
patent: 5214316 (1993-05-01), Nagai

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