Gunn: aiki manufa da kuma aikace-aikace

Gunn diode - a semiconductor, wanda zai iya da za a tsunduma a cikin ƙarni na oscillations a daban-daban mitoci. The na'urar lantarki Stores sayar da daban-daban. Har ila yau, ya kamata a lura shi ne cewa sun bambanta a size. Babban sigogi na gyare-gyare da dangantaka madugu na yanzu, irin ƙarfin lantarki, mita da kuma iyakar juriya.

Gunn diode na'urar kama wani al'ada semiconductor. Standard model kunshi wani bakin ciki Layer arsenide. Har ila yau a cikin na'urar yana da wani musamman gallium Laraba da lambobi. Karkashin arsenide Layer located dopants da wayoyin. Gunn diode masana'antu da fasaha a daban-daban da kamfanonin za su iya bambanta.

Yaya ta yi aiki?

Kamar yadda aka ambata a baya, akwai daban-daban na diodes. Ka'idar aiki na na'urorin gina a kan canji na oscillation. Wannan na faruwa saboda canje-canje a cikin mita na kewaye. Da farko da irin ƙarfin lantarki amfani da tashoshi, inda m arsenide Layer. Next, wayoyin ana amfani kai tsaye. A ƙarfi daga cikin Magnetic filin ƙaruwa. Tantancewar lambobin sadarwa a tsarin ne dole ƙara da juriya. A tsari na samar da oscillations ne da za'ayi a cikin dopant. Kara jikewa gudu a cikin wannan hali ya dogara da watsin da wayoyin.

Aikace-aikace Gunn diodes

Diodes ake amfani a baje a daban-daban mita janareto. Har ila yau, ya kamata a lura shi ne cewa su sukan shigar a cikin kula. Amma duk da haka suka za a iya samu a gidajen wuta. Duk da haka, da na'urorin ba su dace da duk iri gyare-gyare. Domin ya fahimci a more daki-daki a cikin wannan, shi wajibi ne a yi la'akari da iri diodes.

daban na gyare-gyare

Don kwanan wata, ware gidaje da kuma unpackaged na'urorin. Suka sãɓã wa jũna a cikin sharuddan watsin, kazalika da tsaro. Har ila yau, ya kamata a lura shi ne cewa rabuwa da gyare-gyare da za'ayi a kan tsawon. Akwai diodes 20, 50 da kuma 100 microns.

kunsasshen LEDs

Hull semiconductor Gunn diode (photo kasa) ne dace da janareto na daban-daban mita. Idan ka yi imani da masana, da gyare-gyare da kyau watsin. Danganta na'urorin za a iya yi via lamba modulators. Gunn diode ƙiren ƙarya fasaha a daban-daban masana'antu za su iya bambanta. A wasu lokuta, ta amfani da tashar adaftan.

Har ila yau, ya kamata a lura shi ne cewa gidaje diodes da kyau tsaro. Siga Operating zafi daga gare su ne kamar 55%. A m halatta zafin jiki na -30 digiri. Model an ma da dace domin condenser gidajen wuta. high gudun aka samu saboda da wayoyin na diodes bayar.

Lavinnoproletnye unpackaged na'urorin

Lavinnoproletnye unpackaged Gunn diodes ana amfani da yawanci ga masu kula. watsin siga a da yawa model za a fara daga 30 microns. Wannan samar da high kudi da wayoyin. Idan muka yi la'akari da serial Gunn diode, tsara shi ne kama da mikakke semiconductor. Lokacin da wani irin ƙarfin lantarki na 12 V obalodi nuna alama daga cikin model ne daidai ba kasa da 55 A.

Duk da haka, a cikin wannan harka, da yawa ya dogara da girman gyara. Shi ne kuma dole a yi la'akari da irin transistor, wanda aka yi amfani da haɗi zuwa kula. A lokuta da dama, da na'urorin za a iya haɗa via wani rabawa. A wannan halin da ake ciki, wani juriya game da 2 ohms. jikewa kudi ya dogara da yawan dopants. Shi ne ya kamata a lura da cewa gyare-gyare ne ba dace ba lamba da kula. Babban matsalar nan ya ta'allaka ne a cikin low jikewa kudi.

Na'urorin 20 microns

Popular ne Gunn diode. The aiki manufa na shi ne gina a kan ƙarni na oscillations. A model ne mai girma ga mai kula da drive irin. Shi ne kuma ya kamata a lura da cewa gyare-gyare ne na kyau korau juriya a low zafi asarar. Duk da haka, suna da wasu drawbacks.

Da farko, masana lura mafi ƙasƙanci obalodi ƙarfin lantarki na 10 V. A model ne ba mafi kyau kariya. Aiki zafi diodes 20 microns ne 40%. Dopants a cikin wannan hali sannu a hankali hulɗa tare da cathode. wayoyin kudi dogara ba kawai a kan watsin, amma kuma juriya.

Gyare-gyare ga 50 microns

Gunn diode (50 microns nadi nuna a kan al'amarin) ne a yarda da su nemi ikon janareto. Danganta gyare-gyare za a iya za'ayi kawai ta hanyar da hada guda biyu capacitors. Idan muka yi la'akari da Gunn diode 3A716I, da siga halatta ƙarfin lantarki ne 15 V. A tsaro model a cikin wannan hali ya dogara da irin kulle amfani a cikin kayan aiki. Watsin talakawan yana kiyaye a kusa da 40 microns. Wasu masana sun ce semiconductors ba ƙaddamar da mafi kyau watsin.

Duk da haka, shi ne ya kamata a lura da cewa aiwatar da ƙarni na oscillations ne cikin sauri. Wannan na samar da wani babban matakin jikewa arsenide. gallium yanayi ya rage aiki ko a tsananin yanayi. Dabam, yana da muhimmanci a lura da cewa gyare-gyare ga 50 microns su dace da code kula. Don haɗa da amfani mai shudewa tubalan. A wannan yanayin, da watsin da aka bayar a 45 microns. A juriya daga diodes ne daidai a kalla 2 ohms. Sun bayar da kyau kwarai kariya, gudun lantarki ne kiyaye a wani babban matakin. Idan muka magana game da shortcomings na wannan tsarin, shi ne muhimmanci a lura da cewa suna da wani kananan jikewa gudun. Wannan shi ne sun fi mayar saboda da gaban impurities a gallium yanayi.

Za ka iya kuma ambaci cewa Lambobin sukan overheated, oscillation tsara tsari na iya zama sosai m. tsaka tace za a iya amfani da a warware matsalar gabatar. A farko wuri da suka kara da mummunan juriya. su ne ma mai kyau da tasiri a watsin da wayoyin.

Ba kamar na'urorin 100 microns

Daga cikin rufaffiyar model sau da yawa samu da Gunn diode. The aiki manufa da gyare-gyare da aka gina a kan canji na oscillation. A saboda wannan dalili, da ƙananan Layer aka kunna arsenide. Idan muka yi la'akari da al'ada Gunn diode, shi ne wani zane kama da mikakke semiconductor. Tantancewar Lambobin yi aiki a matsayin conductors.

Idan muka yi magana game da yin amfani da gyare-gyare, shi ne ya kamata a lura da cewa diodes 100 microns da dace domin code rinjãya. Suna kuma iya aiki a wani irin ƙarfin lantarki na 13 V. A wannan lokaci, wani overcurrent nuna alama kamata ba fada a kasa 40 A. A korau juriya da tsarin dogara kawai a kan kudi na ƙarni na vibrations. Har ila yau, ya kamata a lura shi ne cewa diodes 100 microns sukan yi amfani da su fitar da mai kula.

Gyare-gyare na janareta zuwa 10 GHz

Generator 10 GHz su dace diodes rufe. A wannan canji tsawon ba kome. Kamar connect da na'urar ta hanyar wata al'ada mika mulki capacitor. Ma dace filin analogs a cikin abin da darajar da mummunan juriya. Gyare-gyare na janareta zuwa 10 GHz dole ne a sarrafa a wani irin ƙarfin lantarki na ba kasa da 10 W.

Har ila yau, ya kamata a lura shi ne cewa ba za ka iya gama ta hanyar gyare-gyaren a al'ada mai waya contactor. A farko wuri shi rage watsin da na'urar. Wannan rage-rage gudun da lantarki. Tantancewar contactors su dace da wannan manufa banmamaki. Su babu albarkacin sakamako a kan zafi canja wuri coefficient. A kan talakawan, da mummunan juriya da aka kiyaye a 4 ohms.

janareta na'urar zuwa 15 GHz

A karkashin janareto 15 GHz suna da damar amfani da kawai gated diodes. Kamar yadda mai mulkin, dangane ne via da wasan bidiyo versions capacitors da watsin na 4 microns. A wasu lokuta, da yin amfani da al'ada contactors. Duk da haka, dole ne su yi aiki a wani irin ƙarfin lantarki na 10 V tare da kare, a duk janareto kullum. Tantancewar lamba diodes ne m kyawawan sauri. Masana sun kuma nuna wa babban gudun na lantarki. Wannan shi ne sun fi mayar saboda da high watsin. gudu jikewa yayin kayyade haši. Idan muka magana game da disadvantages, shi wajibi ne don la'akari da low dokin zafin aiki. Halatta na yanayi zafi ne a 55%.

Layer cajin gyara dogara da gudun da aiwatar da samar da oscillations. A wasu lokuta, diodes suna da alaka ta hanyar bude transistors. A wannan yanayin, da raga tace amfani a cikin kewaye. A sakamakon haka, da watsin da iyaka ne daidai da 40 microns. Lokacin da irin ƙarfin lantarki janareta 12 tare da diodes kamata ba obalodi kalla 5 A. By rage gudu dabam wayoyin contactor. Har ila yau, matsalar iya karya a cikin transistor. Gyare-gyare na low watsin ba zai iya kula da m bugun jini a cikin tsarin.

Diodes ga janareto a 20 GHz

Domin janareto a 20 GHz ana amfani diodes bude ko rufe. A wannan yanayin taka muhimmiyar rawa a zabi capacitor. Kamar yadda mai mulkin, ana amfani da su gyara da fitarwa ƙarfin lantarki na 30 V. Duk da haka, shi ya kamata ka sani na korau juriya. wayoyin gudun saukad da muhimmanci understating lokacin da wannan siga. Har ila yau, akwai matsaloli tare da watsin da thermal hasarori.

Obalodi siga a janareto kullum ba ya fada a kasa 5 N. Shin da gyare-gyare suna sosai kare. Lokacin da wannan jikewa dopants dogara a kan juriya a fitarwa. Don haša ta connector amfani da drive adaftan. A lokuta da dama, radiyo amfani. Cakosoban suna kafa don kula da barga ƙarfin lantarki. Duk da haka, yana da muhimmanci a lura da cewa diodes muhimmanci rasa watsin amfani da sauya sheka radiyo.

Model ga sarrafawa resonators

Aiki resonators bukatar m oscillations generated. Diodes na irin wannan ne ma dace da wannan manufa. Lokacin da installing da gyare-gyare zama dole a farkon wuri yi ta aunawa da mummunan juriya. Har ila yau kada ka manta game da Tantancewar watsin da lambobi, daga abin da gudun lantarki dogara. Don kara da damar da na'urar bada shawarar capacitive radiyo.

Siga irin ƙarfin lantarki a cikin wannan halin da ake ciki zai kai iyaka daga 30 V. A diode obalodi dogara ne a kan watsin da capacitor. Har ila yau, ya kamata a lura shi ne cewa a lokacin da ka shigar da gyare-gyare zama dole yin amfani da tace a kan faranti. Da farko sun magance matsalar gallium yanayi kariya. Su ma suna da kyau sakamako a kan dopants.

Diodes a pulsed resonators

Musamman dace resonators domin ya sauya sheka da diodes 20 da kuma 50 microns. Lokacin da za a haɗa na'urorin amfani da masu lamba adaftan. A wasu lokuta, masu haɗin suna amfani. Gyare-gyare watsin dogara a kan jikewa kudi da kuma matakin na korau juriya. Idan muka yi la'akari da zane da drive kula, shi ne daidaita da iyaka ƙarfin lantarki a 40 V. A tsaro haka kiyaye a wani babban matakin. A hasara irin wannan tsarin yana dauke low watsin a low mita, da kuma obalodi karkacewa kawai 4 A.

jikewa kudi ne kiyaye a wani babban matakin, amma shi cimma gagarumin kadan hasãra. Idan muka yi la'akari da makirci ga filin-sakamako transistors, biyu tace ana amfani da can. Nan da nan Gunn diode 20 microns ya dace. Yana dole ne a shigar da adaftan. A wannan yanayin, iyaka ƙarfin lantarki ne kamar 10 V ga mummunan juriya na 4 ohms.

Aikace-aikace na'urorin na drive rinjãya

Domin drive masu kula dace Gunn diode 100 microns. Danganta gyare-gyare da za'ayi, yawanci ta hanyar transistors. Wadannan na'urori da kyau watsin da kuma iya aiki tare da layin wutar tacewa. Su ba su ji tsoron zafi asarar da irin ƙarfin lantarki ne kiyaye at 30 V. Domin model bayar kyau tsaro da kuma babban gudun daga cikin wayoyin. Wasu masana kuma na rayayye amfani da diodes a haihuwarka da comparators, wanda suna da alaka via biyu da adaftan na'urorin. Gwamnoni su dace da irin tsarin mikakke irin.

Model ga mita rinjãya

Domin tabbatar da yin aiki da kyau na mita mai kula za a iya amfani kawai Gunn diode gated. A wannan canji na tsawon iya zama 20 ko 50 microns. A wannan yanayin, da yawa ya dogara da watsin da kula kai tsaye.

Idan muka yi la'akari da zane na wani filin capacitor, sa'an nan akwai wani mummunan juriya a ganiya ne daidai da 4 ohms. Lokacin da irin ƙarfin lantarki 10 V na'urar aiki stably da kuma farfado da wani babban electron gudu. Jikewa dogara a kan tsaron kasa lambobi. Har ila yau, lokacin da aka haɗa diodes yana da muhimmanci a kula da watsin a kewaye tsakanin reluwe.

Diodes a latitud rinjãya

Domin latitudinal masu kula dace gyare-gyare ga 50 microns. Iya hašawa da na'urar ta hanyar da transceiver. Duk da haka, da adaftan da ake zaba a kan biyu tashoshi. A irin wannan halin da ake ciki, bayar da watsin na 55 microns a wani irin ƙarfin lantarki na 12 V. By haɗa da gyara da muhimmanci a tantance korau juriya. Har ila yau, mayar da hankali a kan contactor nada. Iyakar halatta obalodi kewaye 3 ne Nu. Kawai gudun ba da sanda tace ana amfani da su inganta harkokin tsaro na gyara. Lokacin da mai kula da aka sauya fitarwa ƙarfin lantarki dokin dole ba wuce 15 V.