High-speed, bootstrap driver circuit

Details High-speed, bootstrap driver circuit High-speed, bootstrap driver circuit

1986-11-13

1988-07-26

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307482, 307296R, H03K 1760, H03K 326, H03K 1901

Patent

active

047602821

ABSTRACT:
A line driver circuit capable of operating at high speeds. The output transistor, an emitter connected to an output terminal, has a special feedback capacitor connected to its base. The feedback capacitor helps pull the output terminal high to increase the switching speed of the line driver circuit. Special current injection and removal techniques are used to speed the switching times of the PNP current supply transistors. The line driver circuit also has special circuitry to limit the output current from exceeding certain limits and for keeping the line driver circuit from overheating.

REFERENCES:
patent: 4176289 (1979-11-01), Leach et al.
patent: 4191899 (1980-03-01), Tomczak et al.
patent: 4251742 (1981-02-01), Beelitz
patent: 4484147 (1984-11-01), Metz
patent: 4609832 (1986-09-01), Mehl

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