Headphone amfilifa da hannuwanku a cikin mintina 15

Kowane farko mara waya ta goyon baya bayan na farko nasara gwaje-gwajen, jin zaƙi ya nasarori, ya so ya yi kokarin yi wani abu yanzu. Ba wani abun wasa, amma da gaske aiki cikakken abu. Don yin wannan, daidai dace na gida sauki headphone amfilifa, wanda shi ne kere hannayensu za a iya tattara a kawai 'yan mintoci.

A ina zan iya tambaya? Da farko, ga manufar da aka nufa, wato, to fadada da sigina daga sautin ko preamplifier, cewa shi ne inda audio sigina ta yi rauni sosai, da kuma ba shi yiwuwa a gama belun kunne. A wannan yanayin, za ka iya yin headphone amfilifa tare da hannuwanku.

Abu na biyu, shi ne amfani a matsayin ƙarin kayan aiki. Fir headphone amfilifa ne quite m ga gwaji haihuwarka. Saboda sau da yawa akwai bukatar a sami wani wuri ya karya sabon circuitry cewa da ka tattara, amma ba ya son ya yi aiki. Alal misali, ka yi guda headphone amfilifa tare da hannuwanku. Ya za ta taimaka a cikin search for haddasawa na Laifi. Tare da shi, za ka iya sosai da sauri sami batu a da siginar vuya. An sau da yawa wannan ya faru saboda wata karamar haki: mugun soldered part, karkatattun capacitor, da dai sauransu Gani ko tare da wani magwajin cikin hanyar iya zama da wuya a samu.

Make a headphone amfilifa da hannuwanku kawai saboda na daya kewaye kunshi kawai biyar da aka gyara. Yana dogara ne a kan guntu TDA7050, wanda koda halin kaka 30-80 rubles. Amma ina ganin cewa, a cikin Holdings lantarki, wanda suke ko da yaushe samuwa daga duk wani m wannan yanayin, akwai irin wannan guntu. An sau da yawa amfani a cassette 'yan wasa da kuma sauran sauti haifuwa na'urorin sauki.

A wannan guntu za a iya sanya da kuma wani sitiriyo headphone amfilifa tare da hannuwanku. Yana zai yi don ƙara biyu iyakacin duniya capacitor a kan fitarwa (iya zama daya da na kowa), da kuma shigar da ƙarar iko za a iya sanya daga wani dual m resistor.

Aras guntu ne mai ikon amfilifa a cikin wani misali size gidaje (DIP8). Aiki ƙarfin lantarki na 1.6 zuwa 6 volts. Yana jan makamashi mai yawa. fitarwa ikon dogara a kan wadata da irin ƙarfin lantarki. A cikin embodiment sitiriyo karkashin load na 32 ohms da wani irin ƙarfin lantarki na uku volts a kan fitarwa da ka samu game da 130 milliwatts da tashar. Idan aka haɗa a wata gada kewaye a cikin embodiment na daya iya aiki ne ninki biyu. Fitarwa kewaye da aka kare da gajeren kewaye.

Schematic zane ba a Figure 1. The shigar da alama ne amfani da tashoshi 1 da 3 da kuma belun kunne 32 ohms suna da alaka zuwa tashoshi 7 da 8. Bisa ga bayani dalla-dalla a cikin bridged yanayin, da kaya kada ta kasance kasa da 32 ohms. Don santsi da irin ƙarfin lantarki wadata suna da alaka bas capacitors C1 kuma C2, 100, da kuma 0.1 microfarads, bi da bi. Resistor R1 - 22 ohms. To, watakila, da kuma duk bayanin da mu farko model.

Na biyu makirci na Figure 3 ne sau da yawa amfani da kananan-sized na'urorin prefabrication. Don yin shi dan kadan ya fi wuya. A makirci nuna duk dole bayani. Figure 2 - wannan makirci a haɗa shi da jawabai. Kamar yadda ka gani, bambanci ne kananan. A kewaye da jawabai na iyakacin duniya capacitors ake amfani a kowane fitarwa tashar, kuma headphone - tsaye kowa capacitor a dangane nufi ga kewaye da matsuguni su.