Non-saturating bipolar transistor circuit

Details Non-saturating bipolar transistor circuit Non-saturating bipolar transistor circuit

1993-12-06

1995-08-22

Cunningham, Terry D.

Electronic digital logic circuitry

Interface

Logic level shifting

327310, 327375, 327379, 327482, 327489, H03K 190175, H03K 1704

Patent

active

054443954

ABSTRACT:
A non-saturating transistor circuit (11) having a first terminal (13), a control terminal (12), and a second terminal (14). The first terminal (13), control terminal (12), and second terminal (14) correspond respectively to a collector, base, and emitter of a transistor. The non-saturating transistor circuit (11) comprises a voltage divider (15), a diode (19), and a transistor (16). The voltage divider (15) enables the transistor (16) when a voltage is applied across the control terminal (12) and the second terminal (14) of non-saturating transistor circuit (11). The diode (19) removes current drive to the transistor (16) prior to the transistor (16) becoming saturated thus preventing the transistor (16) from saturating under all operating conditions.

REFERENCES:
patent: 3073969 (1963-01-01), Skillen
patent: 3766406 (1973-10-01), Bryant et al.
patent: 4135103 (1979-01-01), Fulkerson
patent: 4194135 (1980-03-01), Christopherson
patent: 4242604 (1980-12-01), Smith
patent: 4303831 (1981-12-01), El Hamamsy
patent: 4789797 (1988-12-01), Vasseghi
patent: 5332932 (1994-07-01), Runaldue
patent: 5332935 (1993-07-01), Shyu

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