Robert T Saponas

US Patent:

8018989, Sep 13, 2011

Filed:

Dec 21, 2007

Appl. No.:

11/962574

Inventors:

Robert Saponas - Colorado Springs CO, US
William C. Schulze - Monument CO, US
Hugh S. Conely Wallace - Fort Collins CO, US

Assignee:

Agilent Technologies, Inc. - Santa Clara CA

International Classification:

H04B 3/46

US Classification:

375224

Abstract:

A system for adjusting a serial communications link includes a system under test including at least one transmitter and at least one receiver coupled together via a serial data communications link, wherein at least one of the transmitter and the receiver has at least one tunable parameter, at least one controller coupled to at least one of a transmitter and a receiver via a joint test action group JTAG interface, and logic configured to adjust the at least one tunable parameter to optimize a performance of the serial data communications link.

US Patent:

20090164854, Jun 25, 2009

Filed:

Dec 21, 2007

Appl. No.:

11/962607

Inventors:

Robert Saponas - Colorado Springs CO, US

International Classification:

G06F 11/00

US Classification:

714704, 714E11004

Abstract:

A system for measuring performance of a serial communications link includes a system under test including at least one transmitter and at least one receiver coupled together via a serial data communications link, wherein at least one of the transmitter and the receiver has at least one tunable parameter, at least one controller coupled to at least one of a transmitter and a receiver via a joint test action group JTAG interface, and logic configured to perform a bit error ratio test (BERT) at a plurality of receiver phase locations over a defined time period and concluding the BERT for a particular phase location if a BERT error count is greater than 0 at the particular phase location.