| 摘要 |
<p>METHOD FOR GENERATING A PSEUDO-SIGNAL IN AN ERROR RATE SUPERVISORY UNIT AND CIRCUIT FOR CARRYING OUT THE SAME Herein disclosed is method and circuit for generating a pseudo-error signal comprising a demodulator circuit for demodulating an input signal; a first discrimination circuit for regenerating a first digital data by discriminating the output of the demodulator circuit; a noise extracting means for extracting a noise component corresponding to the input signal from the input signal; an adding circuit for adding the output of the noise extracting means and the output of the demodulator circuit; a second discrimination circuit for regenerating a second digital data by discriminating the output of the adding circuit, and; an exclusive OR circuit for recognizing whether or not the first digital data coincides with the second digital data.</p> |
