High speed logic level converter

Details High speed logic level converter High speed logic level converter

1975-04-23

1976-10-12

Miller, Jr., Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307DIG1, 307235T, 307317A, H03K 1700

Patent

active

039860450

ABSTRACT:
A two branch circuit for converting dual complementary signals characterizing emitter coupled logic to a single signal characterizing transitor-transistor logic. A two branch circuit supplies translation between ECL input signals, referenced to a voltage supply and TTL output signals, referenced to ground, using a current summing node receiving current from both branches and connected to a TTL output driver. A first circuit branch includes a feedback loop which generates a reference current summed with the current in the second branch.

REFERENCES:
patent: 3751680 (1973-08-01), Hodges
patent: 3766406 (1973-10-01), Bryant et al.
patent: 3823330 (1974-07-01), Rapp

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