Ihe nhazi usoro bụ sekit ebe a na-achịkwa usoro nke ebili mmiri ebu ibu site na ihe ngosi nhazi usoro. E nwere ụdị abụọ nke mgbanwe usoro sine ebili mmiri: mgbanwe usoro ozugbo na mgbanwe usoro ozugbo. Ụkpụrụ nke mgbanwe usoro ozugbo bụ iji mgbaàmà nhazi iji gbanwee paramita nke resonant loop ozugbo, ka ihe ngosi onye na-ebu ibu site na resonant loop wee mepụta mgbanwe usoro ma mepụta ebili usoro nhazi usoro; Usoro nhazi usoro ozugbo na-ebu ụzọ gbanwee oke nke ebili mmiri agbanwere agbanwe, wee gbanwee mgbanwe oke ka ọ bụrụ mgbanwe usoro nhazi usoro, ka o wee nweta mgbanwe usoro nhazi usoro. Armstrong mepụtara usoro a na 1933, nke a na-akpọ usoro nhazi Armstrong.
Igwe mgbanwe usoro microwave nke eletrọnịkị na-achịkwa bụ netwọk ọdụ ụgbọ mmiri abụọ eji enye ọdịiche nke usoro n'etiti ihe si na mmepụta na ntinye nke akara njikwa nwere ike ijikwa (n'ozuzu voltaji DC bias voltaji). Ọnụọgụ mgbanwe usoro nwere ike ịdị iche na akara njikwa ma ọ bụ na uru dị iche iche edobere. A na-akpọ ha ndị mgbanwe usoro analog na ndị mgbanwe usoro dijitalụ n'otu n'otu. Igwe mgbanwe usoro bụ igwe mgbanwe usoro mgbanwe usoro abụọ na sistemụ nkwukọrịta microwave, nke na-eji ebili mmiri square na-aga n'ihu iji gbanwee akara ngosi onye na-ebu. Enwere ike kewaa mgbanwe usoro Sine n'ime mgbanwe usoro kpọmkwem na mgbanwe usoro na-apụtaghị ìhè. Site na iji mmekọrịta na njikọta nke sine amplitude Angle bụ ihe dị mkpa na ugboro ugboro ozugbo, enwere ike ịgbanwe ebili ugboro ugboro ka ọ bụrụ ebili modulated phase (ma ọ bụ nke ọzọ). Circuit modulator phase phase nke a na-ejikarị eme ihe bụ modulator phase phase varactor. Circuit modulation phase phase phase strage dị mgbagwoju anya karịa sekit modulation phase strage kpọmkwem. Ụkpụrụ ya bụ na otu ụzọ nke mgbaàmà onye na-ebu na-agbanwe site na 90° phase shifter ma banye na modulator-guzozi iji gbochie modulation nke onye na-ebu. Mgbe emechara mbelata kwesịrị ekwesị, a na-agbakwunye akara enwetara na ụzọ ọzọ nke onye na-ebu ibu iji wepụta akara ngosi nke na-agbanwe olu. A na-amata sekit a site na nkwụsi ike ugboro ugboro dị elu, mana mgbanwe nke usoro enweghị ike ibu oke ibu (n'ozuzu ihe na-erughị 15°) ma ọ bụ nnukwu mgbanwe. A na-ejikarị modulator nke usoro dị mfe eme ihe na ndị na-ebufe mgbasa ozi FM.
