Yadda ake zazzage lambar wucewa ta matatar mai kunnawa tare da bandwidth na yau da kullun?

Don ƙididdige aikace-aikacen a sassauƙa, Jingxin yana haɓaka masu tacewa don abokin ciniki don cirewa da kansu, kuma yana ba da jagora don daidaita shi daidai azaman misalin mai zuwa na tace VHF.

1. Sake kunna hanya dontaceSaukewa: JX-SF1-152174-215N
An ƙirƙira masu tacewa don kunna sama da kewayon 15 MHz kuma suna da nau'in bandwidth na yau da kullun na 8 MHz.

2. Kayan aiki da ake buƙata
Mai nazarin hanyar sadarwa wanda zai iya nuna asarar sakawa da asarar dawowa.
A cikin lambar wucewa, asarar shigarwa yakamata ya zama ≤ 1.7dB; asarar dawowa ya kamata ya zama ≥20dB
Kayan Aikin Hannu: 6mm bude-karshen spanner; Screwdriver madaidaiciya

3. Hanyar sake kunnawa
Wannan hanya za ta bayyana tsarin da aka yi amfani da shi don naúrar da aka kunna a baya zuwa mitar cibiyar 160.3MHz, da kewayon bandwidth 8 MHz.
Kamar yadda aka nuna a hoto na 1, an tsara sukulan kunna resonator a matsayin F1, F2, F3, F4, da F5. Wadannan screws na kunnawa suna ƙayyade matsakaicin matsakaicin kowane sandar sanda, yayin da screws ɗin ke motsawa zuwa ciki, mitar za ta kasance ƙasa da ƙasa, yayin da screws ɗin ke motsawa waje, kuma mitar za ta kasance mafi girma.
F12, F23, F34, F45, sukurori ne masu haɗawa, waɗannan screws suna ƙayyade bandwidth na passband, sukurori suna motsawa cikin ciki, kuma suna iya faɗaɗa gefen dama na passband, sukurori suna motsawa waje na iya ƙunsar gefen dama na passband.