Ababoneleli beeMakrofoni eziNxibeleleneyo ezingenazingcingo ezimbini kwiprojekthi yeKTV

Inkcazo emfutshane:


Iinkcukacha zeMveliso

Iithegi zeMveliso

Izikhombisi zenkqubo

Uluhlu lweefrikhwensi zerediyo: 645.05-695.05MHz (Itshaneli A: 645-665, itshaneli B: 665-695)

I-bandwidth esebenzisekayo: 30MHz ngetshaneli nganye (i-60MHz iyonke)

Indlela yokuguqula: Ukuguqulwa kwamaza e-FM Inombolo yetshaneli: ukuhambelana kwamaza e-infrared ngokuzenzekelayo kwiitshaneli ezingama-200

Ubushushu bokusebenza: ukusuka kwi-18 degrees Celsius ukuya kwi-50 degrees Celsius

Indlela ye-Squelch: ukufunyanwa kwengxolo ngokuzenzekelayo kunye ne-squelch yekhowudi ye-ID yedijithali

I-offset: 45KHz

Uluhlu olutshintshayo: >110dB

Impendulo yomsindo: 60Hz-18KHz

Umlinganiselo opheleleyo wesignali-ingxolo: >105dB

Ukuphazamiseka okubanzi: <0.5%

Izalathisi zomamkeli:

Imo yokwamkela: i-superheterodyne yokuguqula kabini, ulwamkelo lokwenyani oluhlengahlengiswa kabini

Imo ye-Oscillation: I-PLL phase locked loop

I-frequency ephakathi: i-frequency yokuqala ephakathi: 110MHz,

I-frequency yesibini ephakathi: 10.7MHz

Ujongano lwe-antenna: Isihlalo se-TNC

Imo yokubonisa: LCD

Uvakalelo: -100dBm (40dB S/N)

Ukunciphisa okungeyonyani: >80dB

Isiphumo somsindo:

Ayilingani: +4dB(1.25V)/5KΩ

Ibhalansi: +10dB(1.5V)/600Ω

Umbane wombane: DC12V

Umbane wangoku: 450mA

Izalathisi zothumelo: (ukuqaliswa kwe-908)

Imo ye-Oscillation: I-PLL phase locked loop

Amandla okukhupha: 3dBm-10dBm (ukuguqulwa kwe-LO/HI)

Iibhetri: iibhetri eziyi-2x“1.5V No. 5”

I-current: <100mA(HF), <80mA(LF)

Ixesha lokusebenzisa (ibhetri ye-alkaline): malunga neeyure ezi-8 kumandla aphezulu

Ukungasebenzi kakuhle okululaunyango

iimpawu zokungasebenzi kakuhle

Iinkqubo zininziunobangela

Akukho sibonakaliso kwi-receiver nakwi-transmitter

Akukho mandla kwi-transmitter, amandla omamkeli awaqhagamshelwanga kakuhle

Umamkeli akanayo isignali ye-RF

Iibhendi zefrikhwensi yomamkeli kunye neyomthumeli zahlukile okanye azikho kuluhlu olwamkelekileyo

Kukho isignali yerediyo, kodwa akukho signali yesandi

Imakrofoni yokudlulisela ayiqhagamshelwanga okanye i-squelch yesamkeli ixhaphake kakhulunzulu

Ukungasebenzi kakuhle kwesekethe yesikhokelo sesandi

Ukuseta imo yokuthula

Ingxolo yangasemva yesiginali yomsindo inkulu kakhulu

Ukuphambuka kwefrikhwensi yokudlulisa imodulation kuncinci kakhulu, fumana imveliso yombane Inqanaba liphantsi, Okanye kukho isignali yokuphazamiseka

Ukuphazamiseka kwesignali yomsindo

Thumelai-terukuphambuka kwefrikhwensi yemodulation kukhulu kakhuluinkulu, imveliso yombane yesamkeli Inqanaba likhulu kakhulu

Umgama wokusetyenziswa mfutshane, isignali ayizinzanga

Amandla okuseta i-transmitter aphantsi, kwaye i-squelch yesamkeli inzulu kakhulu.

Ukuseta okungalunganga kwe-antenna yomamkeli kunye nokuphazamiseka okukhulu kwebhetri macala onke.


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