Crosstalk-resistant multi-input to single output analog switchin

Details Crosstalk-resistant multi-input to single output analog switchin Crosstalk-resistant multi-input to single output analog switchin

1992-03-20

1993-03-23

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328104, 328154, 328137, H04Q 300, H03K 1756

Patent

active

051967332

ABSTRACT:
A crosstalk-resistant multi-input to single output analog switching device is provided to prevent an appearance of a unwanted input signal at an output stage when any one of a diverse switches is selected in particular electronic and or electric products attached thereto. The analog switching device has an additional provision of a second reference voltage source and a second selective switch unit, thereby avoiding crosstalk generation by electrically blocking a signal transfer path between a selected input port and a non-selected input port. Furthermore, upon selectively turning on and off transistor switches, a pulse noise resulting form a change in bias voltage can be eradicated.

REFERENCES:
patent: 3838296 (1974-09-01), McLeod
patent: 3914620 (1975-10-01), Millhollan et al.
patent: 4897836 (1990-01-01), Fitzpatrick et al.
patent: 4910466 (1990-03-01), Kiuchi et al.

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