Complementary IGFET buffer with improved bipolar output

Details Complementary IGFET buffer with improved bipolar output Complementary IGFET buffer with improved bipolar output

1979-10-05

1981-11-17

LaRoche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307446, 307DIG1, 307303, H03K 17687

Patent

active

043013830

ABSTRACT:
A buffer having a first and second complementary IGFET input inverter connected in series and an output including a bipolar emitter follower with its base connected to the output of the first inverter, a second bipolar transistor connected in series with the emitter follower with its base connected to the output of the second inverter and an IGFET connected between the junction of the bipolar transistors and a voltage supply terminal and with its gate connected to the input of the first inverter. The output IGFET pulls the buffer output up to the supply voltage when the emitter of the emitter follower is at the supply voltage minus V.sub.BE.

REFERENCES:
patent: 3541353 (1970-11-01), Seelback et al.
patent: 3591855 (1971-07-01), Dean et al.
patent: 3601630 (1971-08-01), Redwine
patent: 3609479 (1971-09-01), Chang Lin et al.
patent: 3631528 (1971-12-01), Green
patent: 3636372 (1972-01-01), Hujita et al.
patent: 3649843 (1972-03-01), Redwine et al.

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