Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1975-10-23
1976-09-07
Zazworsky, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307203, 307214, 307254, 307300, 307DIG1, H03K 508, H03K 1908
Patent
active
039796078
ABSTRACT:
A network for preventing large transient currents in the conduction paths of a pull-up transistor connected between a first point of operating potential and an output point and a pull-down transistor connected between the output point and a second point of operating potential. The network includes a third transistor having its base to emitter path connected in parallel with the base to emitter path of the pull-down transistor and its collector coupled to the base of the pull-up transistor. The collector current of the third transistor is limited, causing it to saturate at a given current level and to then limit the flow of additional base drive to the pull-down transistor, whereby the maximum collector current of the pull-down transistor is also limited. In addition, a diode is connected between the output point and the collector of the third transistor. The diode, when conducting, ensures the cut off of the pull-up transistor and provides a current path enabling the third transistor to carry some of the output current, whereby both the pull-down and third transistors clamp the output point to said second point of potential.
REFERENCES:
patent: 3381144 (1968-04-01), Thomas
patent: 3641362 (1972-02-01), Gamble
patent: 3699355 (1972-10-01), Madrazo et al.
patent: 3867644 (1975-02-01), Cline
Beelitz Howard Raymond
Preslar Donald Ray
Christoffersen H.
RCA Corporation
Schanzer Henry
Zazworsky John
LandOfFree
Electrical circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrical circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical circuit will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2174385