Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-02-17
1978-01-17
James, Andrew J.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
357 43, 357 48, 357 51, 307213, 307214, 307215, 307304, H01L 2704, H01L 2702
Patent
active
040694941
ABSTRACT:
An inverter has a bipolar transistor and a field-effect transistor. The base gate electrodes are connected to the inverter input, and the collector and source electrodes are connected to the inverter output. The transistors are in series between supply rails. The lower of two possible input voltage levels causes the bipolar transistor to be switched OFF and the field-effect transistor to be switched ON, and the higher possible input voltage level causes the bipolar transistor to be switched ON and the field-effect transistor to be switched OFF. Base current level control is provided for discharging parasitic capacitance across the bipolar transistor when the latter is switched ON.
REFERENCES:
patent: 3590343 (1971-06-01), Nathanson
patent: 3595715 (1971-07-01), Thire et al.
patent: 3609479 (1971-09-01), Lin
patent: 3703650 (1972-11-01), Kendall
patent: 3827034 (1974-07-01), Colaco
patent: 3838440 (1974-09-01), McCaffrey et al.
Ferranti Limited
James Andrew J.
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