Identification of defects in emitter-coupled logic circuits

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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3074821, 3073031, 307355, 371 251, 371 221, H03K 19086, H03K 19003, H03K 1762, G11C 1140

Patent

active

049029169

ABSTRACT:
An ECL logic circuit uses a single resistor in place of separate current-source and emitter-follower resistors. A single tap connects a point on this resistor to the ground bus, and the signal-output line connects to this resistor by a contact which is separate from the contact connecting the emitter of the ouput transistor to the resistor.

REFERENCES:
patent: 4410816 (1983-10-01), Kanai
patent: 4517476 (1985-05-01), Barre
patent: 4580066 (1986-01-01), Berndt
patent: 4628217 (1986-12-01), Berndt
patent: 4658400 (1987-04-01), Brown et al.
patent: 4757216 (1988-07-01), Tanahashi

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