Method and device for processing two separately referenced signa

Details Method and device for processing two separately referenced signa Method and device for processing two separately referenced signa

1992-12-11

1993-10-19

Wambach, Margaret R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072967, 3072968, 307264, 307475, 307570, 307446, H03K 1760, H03K 1902

Patent

active

052548821

ABSTRACT:
The present invention includes a device (10) that accepts separately referenced signal levels at a single input. The device (10) receives an input signal at a latch (12), a translator circuit (14), and an input follower circuit (16). The latch (12) activates either the translator circuit (14) or the input follower circuit (16) depending upon the referenced signal level at the input signal. When activated, the translator circuit (14) converts a first referenced signal level into a signal referenced to the supply voltage level of the device (10). The input follower circuit (16) converts a second referenced signal level into a signal having a supply voltage referenced signal level. An output circuit (18) receives the signal from the appropriately activated circuit and generates an output signal referenced to the supply voltage of the device (10).

REFERENCES:
patent: 5117134 (1992-05-01), Aso
patent: 5162676 (1992-11-01), Aoki et al.

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