Patent ID: 6298458
Filing Date: 2001-10-02
Classification: G01R,H04B,H04L

Abstract:
A system for testing an integrated circuit analog communications transceiver device having an analog transmitter and an analog receiver, with said analog transmitter generating test signals for input to said receiver, said system comprising:an on-chip programmable signal generator circuit for providing programmed data patterns for continuous input to said analog transmitter, said analog transmitter portion generating receiver test signals according to said programmed data patterns for continuous output during a predetermined time window;means within said integrated circuit for switching said generated analog receiver test signals from said transmitter to said analog receiver, said analog receiver including circuitry for generating signals reconstructed from said test signals; and,an on-chip programmable signal analyzer circuit for continuously detecting said recovered test signals within said predetermined window of time, whereby operation of said transceiver device is verified.