SIGNAL PROCESSING APPARATUS INCLUDING BUILT-IN SELF TEST DEVICE AND METHOD FOR TESTING THEREBY
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Issued Date -
Dec 16, 2010
app pub date -
Jun 12, 2009
filing date -
Jun 12, 2009
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Abandoned
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Abstract
A signal processing apparatus according to the present invention includes: a built-in self test device dividing a digital reference clock signal to output an I division signal and a Q division signal, shifting the I division signal and the Q division signal by predetermined angles, converting the shifted I and Q signal into analog signals to output an I testing signal and a Q testing signal; and a signal processing receiving and processing the I testing signal and the Q testing signal.
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