Amplifiers – With semiconductor amplifying device – Including plural stages cascaded
Patent
1988-11-30
1989-09-12
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including plural stages cascaded
307300, 307315, 330298, 330307, H03F 152, H03F 350
Patent
active
048664014
ABSTRACT:
The invention teaches the placement of a plurality of conducting paths in the vicinity of the base of the final stage of a Darlington configured transistor group. When an abrupt change in carrier density occurs, such as during switching intervals, the added conduction paths facilitate the removal of carriers from the base region, thereby facilitating the turn-off process. The extra conductive paths allow a more even current density within the volume of the base during changes in carrier density.
Fuji Electric & Co., Ltd.
Mullins James B.
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