Traditional Culture Encyclopedia - Traditional festivals - Traditional signal extraction
Traditional signal extraction
Analysis: Common analog circuits and their functions are as follows: (1) Amplification circuit: used for voltage, current or power amplification of signals. (2) Filter circuit: used for signal extraction, transformation or anti-interference. (3) Arithmetic circuit: it completes the operations of signal proportion, addition, subtraction, multiplication, division, integration, differentiation, logarithm and exponent. (4) Signal conversion circuit: used to convert current signal into voltage signal or voltage signal into current signal, DC signal into AC signal or AC signal into DC signal, and DC voltage into frequency proportional to it. (5) Signal generating circuit: used to generate sine wave, rectangular wave, triangular wave and sawtooth wave.
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