Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1979-08-13
1982-05-18
Anagnos, Larry N.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307443, 307458, 307300, 307544, H03K 19013, H03K 19088, H03K 19084, H03K 512
Patent
active
043307230
ABSTRACT:
A transistor logic output device is provided with an active element discharging transistor coupled between the base of the pulldown element transistor and ground or low potential for actively controlling a route to ground or low potential for diverting and discharging the so-called capacitive feedback Miller current generated during the low to high potential transition at the output of the device resulting from base-collector junction capacitance in the pulldown element transistor. The active element discharging transistor is controlled at its base by the potential at the collector of the phase splitter element and is coupled to follow changes in voltage at the phase splitter collector for receiving base drive current during the transition from low to high potential at the device output and when the phase splitter is not conducting. The active element thereby provides a low impedance path to ground or low potential at the base of the pulldown element transistor means for diverting and discharging the capacitive Miller feedback current. When the phase splitter is conducting, the active element discharge transistor is deprived of base drive current and affords a high impedance.
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Anagnos Larry N.
Becker Warren M.
Fairchild Camera and Instrument Corporation
Park Theodore S.
Winters Paul J.
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