Àgwà nke voltaji {{0} oscillator a na-achịkwa na-anọchi anya ya site na mgbanaka (Foto 1) na-egosi njikọ dị n'etiti ugboro ugboro angular mmepụta ω0 na voltaji njikwa ntinye uc. N'ọnụọgụ a, ugboro angular ω0,0 mgbe uc bụ efu ka a na-akpọ ugboro efu-ọ na-agba ọsọ; mkpọda K0 nke mgbanaka na ω0,0 ka a na-akpọ uche njikwa. Na nzikọrịta ozi ma ọ bụ ngwa nha, voltaji njikwa ntinye bụ akara a ga-ebufe ma ọ bụ tụọ ( mgbama modulating).
A na-akpọkarị oscillator voltaji - a na-achịkwa ugboro ugboro, nke a na-eji ewepụta mgbama{1} ugboro ugboro. N'ime loops akara ugboro akpaaka na nkeji{3} ekpochi, voltaji njikwa ndenye bụ voltaji mgbama njehie, na voltaji -oscillator na-achịkwa bụ ihe a na-achịkwa na loop.
Ụdị VCO gụnyere LC, RC na crystal. Isi ihe achọrọ maka teknụzụ maka voltaji{1} oscillators a na-achịkwa gụnyere ezigbo nkwụsi ike ugboro ugboro, ikike njikwa dị elu, oke mgbanwe mgbanwe ugboro, njikọ ahịrị n'etiti mgbagha ugboro na voltaji njikwa, yana ịdị mfe nke njikọta. kristal voltaji{3} oscillators a na-achịkwa nwere nkwụsi ike ugboro ugboro mana oke mgbanwe mgbanwe ugboro dị warara; RC voltaji - oscillators a na-achịkwa nwere nkwụsi ike ugboro ole dị ala mana oke mgbanwe mgbanwe ugboro obosara; na LC voltaji{5} oscillators a na-achịkwa na-ada ebe n'etiti.