1. Bakin karfe
2. Hudu a ciki daya waje
3. Ana iya haɗa na'urori masu auna firikwensin guda huɗu
4. Kyakkyawan bayyanar, m, mai kyau sealing
5. Tare da potentiometer
Akwatin junction na bakin karfe tare da potentiometer JB-054S, wanda za'a iya haɗa shi da na'urori masu auna firikwensin guda hudu Ƙananan junction akwatin Saboda bambance-bambance a cikin kayan mahimmanci, damuwa da jikin firikwensin da tsarin masana'antu, sigogi na kowane firikwensin ba su da daidaituwa, musamman saboda na hankali. Wannan rashin daidaituwa shine abin da ake kira bambancin kusurwa. Don haka, kalmar junction akwatin yana shiga, wato, siginar fitarwa na firikwensin ana haɗa shi da akwatin junction da farko, sannan a aika zuwa na'urar, wanda aka daidaita ta hanyar daidaita potentiometer a cikin akwatin junction. Bambancin kusurwa, don haka hankali na kowane firikwensin yana kusa da guda ɗaya, don tabbatar da daidaiton dukkan sikelin jiki.