Don ƙididdige darajar masu magana, ƙwarewar sauraro wani muhimmin bangare ne, wanda kuma aka sani da ƙwarewar ingancin sauti. Akwai hanyoyi da yawa don inganta ingancin sauti, kamar ƙara ƙarfin fitarwa na ƙarar wutar lantarki daga da’irar lantarki, rage murdiya; daidaita amsawar mita don ramawa ga rashin wasu mitoci na lasifika ko rami, da sauransu. Rarraba mita hanya ce mai matukar tasiri don inganta ingancin sauti. Amma game da ƙananan mitoci, tsaka-tsaki, kuma watakila masu magana mai ƙarfi tare da ƙunƙun mitar mitar, yana da kyau a yi, kuma tasirin yana da kyau sosai. Koyaya, yana da wahala a yi lasifika tare da cikakken mitar sauti na 20Hz ~ 20kHz, kuma yana iya buƙatar kayan tsada don yin cikakken lasifika tare da ingantaccen tasiri. Zaɓin haɗin tashar tashoshi 2.1 yana cikin filin crossover na lantarki kuma hanya ce mai dacewa don inganta ingancin sauti na masu magana. Haka abin yake ga masu magana da bluetooth mai ɗaukar hoto. Yin lasifikan wayar hannu 2.1-tashar kuma hanya ce mai kyau don inganta ingancin sauti. Musamman m ƙwarewar sauraron ƙaramar sauti yana da wahala a kwatanta shi da tashoshi biyu ko mai magana ɗaya.

Dangane da shirin CS8611E guda-chip wayar hannu 2.1-tashar mai magana ta bluetooth, an haɗa baturin lithium mai dual-cell a cikin jerin tare da 8.4V azaman wutar lantarki, kuma an haɓaka guntu CS5036E zuwa 12V don kunna CS8611E don kammala 20W + 2 × 10W fitarwa; kuma ana amfani da CS5090EUSB5V don caji Yana da matukar dacewa don shigar da batura lithium guda biyu a jere tare da guntu sarrafa cajin 8.4V. Yana ba da ƙwarewar sauraro kwatankwacin masu magana na 2.1 na gargajiya lokacin da baturin lithium shine tushen wutar lantarki.

Tsarin toshe aikin gabaɗaya shine kamar haka:

daya. Shirin ya fayyace:

Wannan shirin shine 20W + 2 × 10W wayar hannu 2.1 amplifier haɓakar haɓakar sarrafa caji. Koma zuwa shirin. Wutar wutar lantarki shine batura 18650 guda biyu da aka haɗa a jere, zuwa manyan matakai uku:

1. Zaɓi CS5090 wanda aka haɓaka baturin lithium mai dual-cell yana cajin IC, adana adaftar waje na gargajiya, kuma yi amfani da kebul na USB don kammala cajin baturin lithium cell biyu;

CS5090E shigarwar USB_5V ce da ake amfani da ita don haɗa batura lithium guda biyu a jere tare da guntu sarrafa cajin 8.4V. Ginshikan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan tsarin yanzu, da tsarin cajin wutar lantarki akai-akai. Babban fasalin shine aikin shigar da adaftar, duk wani kebul na USB mai girma ko karami ana iya caje shi akai-akai, kuma matsakaicin cajin halin yanzu shine 1.5A. Bugu da ƙari, yana da matakan tsaro iri-iri masu aminci da aminci da alamun caji, kuma yana kawo aikin sarrafa zafin jiki na NTC.

CS5090E taswirar fil da bayanin fil

2. An haɗa batir lithium guda biyu a cikin jerin tare da 8.4V a matsayin mai samar da wutar lantarki, wanda aka haɓaka zuwa 12V ta hanyar haɓaka guntu CS5036E don samar da wutar lantarki ga IC amplifier; CS5036E ginannen 12A ne, MOS babban ƙarfin ƙarfin ƙarfin juzu’i na DC-DC. Wurin yana da taƙaitaccen bayani, ma’aunin ƙarfin shigarwa yana da faɗi daga 3V zuwa 12V, kuma ingancin ya kai 93% ko fiye. Ƙimar ƙayyadaddun ƙayyadaddun ƙayyadaddun halin yanzu yana daidaitawa akan kewaye, wanda ya dace don dacewa da baturi. An zaɓi fakitin EQA16, wanda ke da ayyuka irin su kula da zafin jiki da kuma kula da wutar lantarki.

CS5036E taswirar fil da bayanin fil

3. Guntu mai ƙara ƙarfin sauti yana zaɓar CS8611E, wanda ke ba da wutar lantarki na 20W + 2 × 10W a 12V; CS8611E shine 2 × 15W + 30W sadaukarwar 2.1-tashar aji D mai ƙara ƙarfin sauti. Advanced fasahar murkushe EMI tana ba da damar amfani da matattarar maganadisu mai rahusa a tashar fitarwa don biyan buƙatun EMC. Haɗe tare da aikin bakan-bakan, rediyon FM kuma yana da kyakkyawan tasirin rufewa. Bugu da ƙari, ingancin fiye da 90% yana sa ba dole ba ne a yi amfani da ƙarin radiyo lokacin kunna kiɗa.

CS8611E taswirar fil da bayanin fil

2. CS5090E+CS5036E+CS8611E+AC6951C gaba dayan tsarin tsarin allo

3. CS8611E_2.1 tashar amplifier mai jiwuwa juzu’i na zane-zane

Hudu. CS5090E+CS5036E+CS8611E+AC6951C gaba dayan hukumar PCB babban shirin zane

biyar. CS5090E+CS5036E+CS8611E+AC6951C gaba dayan hukumar PCB tsarin kasa

shida. CS5090E+CS5036E+CS8611E+AC6951C duk taswirar facin allo