FIELD: radio communication, radiolocation, TV. SUBSTANCE: passive rectangular radiator positioned above active one and excited by means of electromagnetic coupling is used as part of microstrip aerial. Center of passive radiator is displaced to distance approximately equal to quarter of length of resonance wave of active radiator with reference to center of the latter. EFFECT: reduced standing-wave factor, improved matching on low frequencies of working range, expanded working band of frequencies. 4 dwg
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