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Frequency Modulated Signal Generator

Abstract

Frequency Modulated Signal Generator

Andrianov A.V., Zikiy A.N., Davtyan A.D.

Incoming article date: 16.03.2019

An experimental study of a transistor generator with varicap rearrangement has been carried out. A schematic diagram is given, a brief description of the construction and an experimental technique are given. As the results of the experiment are given: • frequency dependence on control voltage (modulation characteristic) • dependence of power on control voltage (parasitic amplitude modulation) • output spectrum in the 500 MHz band

Keywords: FM signal generator, voltage-controlled oscillator, modulation characteristic, output spectrum, transistor oscillator