Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Reexamination Certificate
2004-10-08
2008-03-04
Trinh, Sonny (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
C455S067140, C455S115200
Reexamination Certificate
active
07340219
ABSTRACT:
According to one embodiment of the invention, a system for testing electronic devices includes a first RF source operable to output a first signal, a second RF source operable to output a second signal, a combiner coupled to the first and second RF sources and operable to combine the first and second signals to create a third signal, one or more down converters operable to receive respective output signals from respective electronic devices and create respective down converted signals, and a set of switches operable to switch the second RF source to a local oscillator function that couples to the one or more down converters for inputting respective reference signals into the one or more down converters.
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Patent Application Entitled:Method and Apparatus for Synchronizing Signals in a Testing System, filed Jan. 30, 2004; U.S. Appl. No. 10/766,073.
Heaton Dale A.
Lambert Craig
Zhang Lianrui
Brady III Wade James
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
Trinh Sonny
Tung Yingsheng
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