Current mirror type level converters

Details Current mirror type level converters Current mirror type level converters

1990-05-25

1991-08-13

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307451, 307542, 307546, 307553, 330257, 330288, H03K 1902, H03K 1996

Patent

active

050398865

ABSTRACT:
A current mirror type level converter which makes it unnecessary to prepare the complementary signals of input signals by connecting a load transistor which is in the normally energized state regardless of the states of the input signals to the side where a mirror current flows and the load transistor also determines the output level. Further, a mirror input current is caused to flow by the result of a logic operation of the input signals, a mirror current supplying transistor is shared among a plurality of current mirror type level converters, an output signal is fed back positively accompanying a delay, and a feedback transistor to whose control terminal is applied the positive feedback signal is connected in parallel with the load transistor in order to realize an increase in the speed of the operation of the converter.

REFERENCES:
patent: 4808852 (1989-02-01), Kovsaka et al.
patent: 4847522 (1989-07-01), Fuller et al.
patent: 4883988 (1989-11-01), Ide et al.

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