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Ideja za izdelavo magistrske naloge se je pojavila s potrebo postavitve lastnega laboratorija za elektromagnetno združljivost (angl. Electromagnetic compatibility – EMC) v podjetju Instrumentation Technologies d.o.o. za namene testiranj skladnosti naprav s standardi elektromagnetne združljivosti. Vsaka električna naprava med svojim delovanjem oddaja elektromagnetno valovanje oz. lahko na njeno delovanje vpliva elektromagnetno valovanje drugih naprav. Da se električna naprava sme prodajati, mora zadostiti mejam, ki jih določajo standardi elektromagnetne združljivosti naprav. Testiranje električnih naprav se mora izvajati v nadzorovanem okolju z umerjenimi inštrumenti, za katere potrebujemo naprave za umerjanje. Ena od takšnih pomembnih naprav za umerjanje je lahko generator radio-frekvenčnega (RF) glavnika, katerega spektralne komponente so številski mnogokratniki osnovnega signala, ki so poznani tako po frekvenci kot amplitudi. Tak frekvenčni glavnik omogoča ovrednotenje meritev elektromagnetnih motenj same merilnice ali okoljskih vplivov. Izmerjeno sevanje radio-frekvenčnega glavnika predstavlja referenco, ki se upošteva pri meritvah testiranih naprav. Ko želimo izmeriti sevanje same naprave s pomočjo radio-frekvenčnega glavnika, najprej pomerimo umetno (referenčno) sevanje ter tako spoznamo okolje in nato še sevanje testirane naprave. Zgrajen radio-frekvenčni glavnik generira spekter signala med 10 MHz in 1 GHz z dvema možnima korakoma spektralnih komponent, 10 MHz ali 100 MHz. Izbira željenega koraka je mogoča med samim delovanjem naprave. The idea for the master dissertation appeared with the need for the laboratory of electromagnetic compatibility (EMC) in the company Instrumentation Technologies d.o.o with the purpose of testing the compliance of electronic devices with the standards of electromagnetic compatibility. Every electric device during the operation produces electromagnetic radiation and also can be affected by the electromagnetic radiation from other devices. That the electric device can be sold on the market should suffice with the limits provided by the electromagnetic compatibility standards. Electric device testing must be performed in a controlled environment with calibrated instruments. To ensure a controlled environment, a device for calibration is needed. One such device is a radio-frequency comb generator - COMB. Spectral components of the COMB generator are numerical multiples of the original signal, in which frequency and amplitude are known. The COMB generator device is used to evaluate the measurements of the electromagnetic disturbances of the measuring chamber or the environmental disturbances. COMB generator radiation is used as a reference during the measuring of the electromagnetic disturbances of the testing devices. Before the radiation of the device tested is measured, the COMB radiation is measured which gives us the knowledge of the environmental influences – reference radiation, and after that, the device tested is measured. A Radio-frequency comb generator generates the spectrum of the signal between 10 MHz and 1 GHz with two possible steps between the spectral components, 10 MHz or 100 MHz. Step between the signal spectrum components could be selected during the device operation.