Signal line increased current kicker terminator apparatus

Details Signal line increased current kicker terminator apparatus Signal line increased current kicker terminator apparatus

1992-05-14

1994-05-17

Pellinen, A. D.

Electrical transmission or interconnection systems

Combined impedance and switch systems

Condition responsive switch

307125, 307264, 333124, H03H 1128

Patent

active

053131053

ABSTRACT:
A terminator apparatus used with a SCSI bus line controls the voltage level of a notch occurring in data and/or control signals transferred on the bus line. The terminator apparatus includes a termination network, a current switching device, and a programmed monitoring circuit. The termination network generates a first current. The current switching device generates a second current. The monitoring circuit controls a programmed length of time that the second current is generated. The current switching device is responsive to the monitoring circuit for disconnecting the second current when the programmed length of time has been exceeded. The second current serves to raise the voltage level of the notch occurring in the signal lines when they are deasserted so as to prevent erroneous data from being transferred.

REFERENCES:
patent: 4748426 (1988-05-01), Stewart
patent: 5089724 (1992-02-01), Chuang et al.
patent: 5198699 (1993-03-01), Hashimoto et al.
patent: 5254878 (1993-10-01), Olsen

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