Ikpokọta Capacitors na Bypass capacitor na sekit eletrọnịkị

News

Ikpokọta Capacitors na Bypass capacitor na sekit eletrọnịkị

Nkọwa nke Na-emeziwanye Capacitors
A na-ejikarị ndị na-emepụta ihe na-emepụta ihe, nke a makwaara dị ka uncoupling capacitors, na sekit eletrọnịkị nke nwere ọkwọ ụgbọ ala na ibu. Mgbe ikike ibu ibu buru ibu, sekit mbanye kwesịrị ịkwụ ụgwọ ma wepụ capacitor n'oge mgbanwe mgbaàmà. Otú ọ dị, n'oge ịrị elu na-arị elu, elu dị elu ga-adọrọ ọtụtụ n'ime ihe ndị na-enye ugbu a, na-eme ka nlọghachi azụ na sekit n'ihi inductance na nguzogide, nke na-eme ka mkpọtụ na sekit ahụ, na-emetụta nhazi nkịtị, nke a maara dị ka "njikọ" . Ya mere, capacitor decoupling na-arụ ọrụ nke batrị n'ịhazi mgbanwe eletriki ugbu a na sekit mbanye iji gbochie nnyonye anya ibe ya ma belata nkwụsịtụ ugboro ugboro n'etiti ọkụ ọkụ na ntụaka. 

Nkọwa nke Na-agafe Capacitors
Bypass capacitors, nke a makwaara dị ka decoupling capacitors, bụ ngwa eletrọnịkị na-agafe agafe nke a na-eji ewepụ mkpọtụ na mgbanwe voltaji na sekit eletrọnịkị. A na-ejikọta ha n'otu n'otu na ụgbọ okporo ígwè na-enye ọkụ na ala, na-eme dị ka ụzọ ọzọ nke na-agafe akara ngosi ugboro ugboro na ala, na-ebelata mkpọtụ na sekit. A na-ejikarị capacitors gafere na sekit analọgụ na dijitalụ iji belata mkpọtụ na ọkụ ọkụ DC, sekit mgbagha, amplifiers, na microprocessors.
 

Nkwakọba Capacitors megide seramiiki capacitors na nnukwu voltaji seramiiki capacitors
Ọ dị mkpa iburu n'obi na ndị na-emepụta ihe na-emepụta ihe dị iche na ndị na-emepụta seramiiki dị elu na seramiiki capacitors. Ọ bụ ezie na a na-eji capacitor na-agafe agafe maka mgbagharị ugboro ugboro dị elu, a na-ewerekwa ya dị ka ụdị ihe ngbanwe nke na-eme ka mkpọtụ mgbanwe mgbanwe dị elu dị elu ma na-enye mgbochi nkwụsịtụ dị ala. Ndị na-eme ihe na-agafe agafe na-adịkarị obere, dị ka 0.1μF ma ọ bụ 0.01μF, dabere na ugboro resonant. Njikọ capacitors, n'aka nke ọzọ, na-adịkarị elu, dị ka 10μF ma ọ bụ karịa, kpebisiri ike site na nkesa nke sekit parameters na mgbanwe na mbanye ugbu a. N'ụzọ bụ isi, ndị na-eme ihe na-agafe agafe na-enyocha nnyonye anya nke akara ntinye, ebe ndị na-eme ihe ike na-enyocha nnyonye anya nke akara mmepụta ma gbochie ndabichi ịlaghachi na ọkọnọ ọkụ.
A pụkwara iji seramiiki capacitors dị elu mee ihe dị ka ndị na-emepụta ihe. Emebere capacitors ndị a ka ọ rụọ ọrụ na oke voltaji ma enwere ike iji ya mee mgbanwe mgbanwe eletrik ugbu a na sekit draịva iji gbochie nnyonye anya n'otu n'otu ma belata ihe mgbochi nnyonye anya dị elu. Otú ọ dị, a pụrụ ịhọrọ ụdị kpọmkwem na ụdị nke elu voltaji seramiiki capacitors dabere na ihe achọrọ nke sekit na ọkwa voltaji / ugbu a nke ihe ndị a na-eji na sekit. A na-atụ aro ka ị kpọtụrụ onye nrụpụta www.hv-caps.com ma ọ bụ onye nkesa ka ị hụ na ahọrọ seramiiki capacitor dị elu kwesịrị ekwesị maka iji ya dị ka onye na-emepụta ihe na ngwa ngwa.

Ihe atụ sekit
ebe a bụ ụfọdụ ihe atụ nke eserese sekit nke na-egosi ojiji nke decoupling capacitors:
 
 +Vcc
     |
     C
     |
  +--|----+
  | Q |
  | Rb |
  | \ |
  Vin \|
  | |
  --------+
             |
             RL
             |
             GND
 
 
N'ime eserese sekit a, capacitor (C) bụ ihe na-emepụta ihe na-ejikọta n'etiti ọkụ eletrik na ala. Ọ na-enyere aka wepụ ụda ụda dị elu site na ntinye ntinye nke na-emepụta n'ihi mgbanwe na ihe ndị ọzọ.
 
2. Digital sekit iji decoupling capacitors
 
               _________ __________
                | | C | |
  Ntinye nrịbama--| Ọkwọ ụgbọala |----||---| Ibu |--- Mgbama mmepụta
                |________| |________|
                      + Vcc + Vcc
                        | |
                        C1C2
                        | |
                       Ọnụ ego nke GND
 
 
Na eserese sekit a, a na-eji capacitors abụọ decoupling (C1 na C2), otu gafee onye ọkwọ ụgbọ ala na nke ọzọ gafere ibu ahụ. Ndị na-emepụta ihe na-enyere aka wepụ mkpọtụ a na-emepụta n'ihi ngbanwe, na-ebelata njikọ na nnyonye anya n'etiti onye ọkwọ ụgbọ ala na ibu ahụ.
 
3. Ike ọkọnọ circuit iji
 
capacitors decoupling:
 
``
        +Vcc
         |
        C1 + Mkpọ
         | |
        L1 R1 +----|------+
         |--+------\/\/--+ C2
        R2 | | |
         |---+------------+--+ GND
         |
 
 
N'ime eserese sekit a, a na-eji capacitor decoupling (C2) na-ahazi mmepụta voltaji nke ọkụ eletrik. Ọ na-enyere aka nzacha mkpọtụ a na-eme na sekit ọkọnọ ike ma belata njikọ na nnyonye anya n'etiti sekit na ngwaọrụ ndị na-eji ike ọkụ.

Ndị na-esonụ bụ na-ajụkarị ajụjụ gbasara "decoupling capacitors"
1) Gịnị bụ decoupling capacitors?
Ndị na-emepụta ihe na-emepụta ihe bụ ihe eletrọnịkị nke na-enyere aka nzacha ụda ugboro ugboro na mgbanwe voltaji. Ejikọtara n'etiti ụgbọ okporo ígwè na-enye ọkụ na ala, ha na-eme dị ka ụzọ nkwụsịtụ dị ala maka ụda dị elu na ala, nke na-ebelata ụda mkpọtụ nke na-abanye na sekit.
 
2) Olee otú decoupling capacitors si arụ ọrụ?
Ndị na-emepụta ihe na-emepụta ihe na-emepụta ike ọkụ na-adị mkpụmkpụ maka akara ngosi dị elu iji gbanwee n'etiti ike na ala ala. Site na ịgbanye ume ugboro ugboro na ala, ha nwere ike ibelata ụda ọkụ ọkụ ma gbochie njikọ nke akara dị iche iche.
 
3) Ebee ka a na-eji capacitors decoupling?
A na-ejikarị capacitors decoupling na ngwaọrụ eletrọnịkị dị ka microprocessors, sekit agbakwunyere, amplifiers, na ngwa eletrọnịkị ike. A na-ejikwa ha na ngwa ngwa dị elu yana ebe akara ngosi dị ala-na-mkpọtụ dị mkpa.
 
4) Gịnị bụ capacitor shunting?
Capacitor shunting bụ omume nke ijikọ capacitor n'etiti ọnụ abụọ na sekit eletrọnịkị iji belata mkpọtụ ma ọ bụ njikọ mgbama n'etiti ha. A na-etinyekarị ya na ndị na-eme ihe ike dị ka ụzọ isi melite ogo ọkọnọ ike yana ịkwụsị EMI.
 
5) Olee otú decoupling capacitors si ebelata mkpọtụ ala?
Ndị na-emepụta ihe na-emepụta ihe na-ebelata ụda ala site n'inye ụzọ nkwụsịtụ dị ala maka akara ngosi dị elu na ala. The capacitor na-arụ ọrụ dị ka isi iyi ike dị mkpirikpi ma na-enyere aka belata oke ume nke nwere ike ime njem n'ụgbọ elu ala.
 
6) Nwere ike decoupling capacitors mechie EMI?
Ee, ndị na-emepụta ihe na-emepụta ihe nwere ike ịkwụsị EMI site n'ibelata ụda ụda dị elu nke na-abanye na sekit. Ha na-enye ụzọ mgbagha dị ala maka mgbama dị elu na-agbadata n'ala, na-amachi oke mkpọtụ kpafuru akpafu nwere ike ijikọ na mgbama ndị ọzọ.
 
7) Gịnị kpatara decoupling capacitors dị mkpa na sekit eletrọnịkị?
Ndị na-emepụta ihe na-emepụta ihe na-arụ ọrụ dị mkpa na nhazi sekit eletrọnịkị site na ibelata mkpọtụ na mgbanwe voltaji nke nwere ike imetụta arụmọrụ sistemu. Ha na-enyere aka ịnọgide na-eguzosi ike n'ezi ihe, na-amachi EMI na ụda ala, na-echebe megide mmebi ọkụ ọkụ, ma melite arụmọrụ sekit n'ozuzu ya.
 
8) Kedu ka mkpọtụ ụda dị elu na njikọ mgbaama si emetụta sekit eletriki?
Mkpọtụ ụda ugboro ugboro na njikọ mgbaama nwere ike ime ka arụmọrụ belata na ntụkwasị obi na sekit eletriki. Ha nwere ike ịkpata nnyonye anya mgbaama na-achọghị, belata oke mkpọtụ, ma nwekwuo ohere nke ọdịda sistemụ.
 
9) Kedu otu esi ahọrọ capacitors nke ọma maka ngwa gị?
Nhọrọ nke ndị na-emepụta ihe na-arụ ọrụ na-adabere na ngwa achọrọ dị ka ọnụọgụ ugboro ugboro, ogo voltaji na uru ike. Ọ na-adaberekwa n'ogo nke mkpọtụ dị na usoro na mgbochi mmefu ego.
 
10) Gịnị bụ uru dị n'iji decoupling capacitors na ngwa eletrọnịkị?
Uru nke iji capacitors decoupling na ngwaọrụ eletrọnịkị gụnyere ogo mgbama ka mma, nkwụsi ike sekit ka mma, mkpọtụ ọkọnọ ike belatara, yana nchebe megide EMI. Ha nwekwara ike inye aka belata mkpọtụ ala ma melite ntụkwasị obi zuru oke nke usoro ahụ.
 
Ndị a bụ naanị ihe atụ ole na ole nke eserese sekit na-eji capacitors decoupling. Ụdị sekit kpọmkwem na decoupling capacitor nke ejiri mee ihe ga-adịgasị iche dabere na ngwa na ihe achọrọ nke sekit.

Mbụ:C Next:C

Categories

News

KPỌTỤRỤ ANYỊ

Kpọtụrụ: Ngalaba ahịa

Ekwentị: + 86 13689553728

Tel: + 86-755-61167757

email: [email protected]

Tinye: 9B2, TianXiang Building, Tianan Cyber ​​Park, Futian, Shenzhen, PR C