| 摘要 |
A demodulation device according to one implementation example of the present invention comprises the following parts: a voltage multiplication part receiving a signal and multiplying the signal by a specific voltage; an envelope detection part detecting an envelope signal from the voltage-multiplied signal; a first low-pass filter filtering the detected envelope signal; a reference voltage generation part generating a reference voltage based on the filtered envelope signal; and a comparison part outputting a pulse signal based on the reference voltage and the filtered envelope signal. [Reference numerals] (101) Voltage multiplication part;(102) Envelope detection part;(103) First low-pass filter;(104) Reference voltage generation part;(105) Comparator;(AA) Modulated signal;(BB) Demodulated signal |
