Linear amplifier incorporating a field emission device having sp

Details Linear amplifier incorporating a field emission device having sp Linear amplifier incorporating a field emission device having sp

1993-06-03

1995-05-02

Pascal, Robert J.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313309, 330 54, H05B 3702

Patent

active

054122856

ABSTRACT:
One embodiment of the present invention is a linear amplifier based on a field emission device that is driven at its input in current-mode. The ratio (gamma) of the separation distance between the anode and cathode (d.sub.ak) to the separation distance between the cathode and gate (d.sub.gk) is in the range of 20 to 200. The amplifier betas that result from these gammas range from a low of 30 to a high of 1000. The linear amplifier is combined with an active matrix to form a vacuum flat-panel display with good gray-scale performance.

REFERENCES:
patent: 4721885 (1988-01-01), Brodie
patent: 4780684 (1988-10-01), Kosmahl
patent: 4818914 (1989-04-01), Brodie
patent: 4901028 (1990-02-01), Gray et al.
patent: 4990766 (1991-02-01), Simms et al.
patent: 5012153 (1991-04-01), Atkinson et al.
patent: 5173634 (1992-12-01), Kane

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