Bias voltage generation circuit of ECL level for decreasing powe

Details Bias voltage generation circuit of ECL level for decreasing powe Bias voltage generation circuit of ECL level for decreasing powe

1992-03-13

1993-06-08

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072963, 3072964, 3072966, 3072967, 307570, 307571, H03K 301, H03K 1760

Patent

active

052182380

ABSTRACT:
A bias voltage generation circuit comprises a bias voltage generation portion having a bias control node, a first switching unit, and a second switching unit. The bias voltage generation portion is used to generate a bias voltage of a predetermined potential and supply the bias voltage to an ECL circuit during an operation period, and the first switching unit is used to drop the bias voltage during a standby period in response to a bias voltage control signal. The second switching unit is used to switch OFF during the standby period to cut off a current flow through the bias control node and switch ON during the operation period to supply a current through the bias control node in response to the bias voltage control signal. Consequently, a current flow during the standby period can be reduced, and power consumption of the bias voltage generation circuit during the standby period is minimal.

REFERENCES:
patent: 3852119 (1974-12-01), Gosney et al.
patent: 4639661 (1987-01-01), Williams et al.
patent: 4713560 (1987-12-01), Herndon
patent: 4958094 (1990-09-01), Ishii et al.
patent: 5023479 (1991-06-01), Jeffery et al.
IBM Technical Disclosure Bulletin, IBM Corp. Standby Circuit for Power Savings, vol. 29, No. 4, pp. 1780-1782, Sep. 1986.

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