Návrh amplitudového modulátoru a demodulátoru

Abstract

This thesis deals with the amplitude modulation AM, DSB and SSB. Here is present mathematical description of these modulations, their differences,how technically arising these modulations and also here is listed individual network solutions and their advantages and disadvantages. Amplitude demodulation, a process that is inverse to the amplitude modulation is here also mathematically described. They are also shown the basic circuit solution for demodulation AM, DSB and SSB. Practical part focused on the modulation and demodulation AM, inhere in the design and follow making montage AM modulator – demodulator unit with its own oscillator. The unit is designed for use in laboratory teaching, is also measured and results are reported here.