Publication
IEEE Electron Device Letters
Paper

Collector Signal Delay in the Presence of Velocity Overshoot

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Abstract

The well-known expression equating the collector signal delay to one-half of the transit time through the base-collector depletion region is incorrect in the presence of a nonconstant carrier velocity, as occurs for velocity overshoot. The correct expression yields a smaller signal delay than the conventional estimate for typical situations, further emphasizing the benefit of velocity overshoot in bipolar devices. © 1990 IEEE

Date

01 Jan 1990

Publication

IEEE Electron Device Letters

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