Misali na Slew Rate?

Mai Slew Rate shine da yake?

Bayani game da Slew Rate

A elektroniki, Slew Rate yana nufin tsarin canza na gida na karamin shi'a kan wakar lokaci. Ana bayyana ta a cikin harufin S. Slew Rate taimaka muka samun inganci da kuma wahalar masu shi'a mai daidai don amfani da operational amplifier (OP amp) kafin baki daya ba zama da shawara.

Don samun aiki da ma'ana, ya kamata a ci gaba da Slew Rate, domin in iya samun karamin shi'a mai daidai ba tare da shawara.

Slew Rate yana da muhimmanci wajen tabbatar da OP amp ke kula da karamin shi'a mai daidai. Yana canzawa da wahalar shi'a, kuma ana bayyana ita a cikin tsari na wahala +1.

Wannan babban kayan aiki ya fi son 10 V/µs. Wannan yana nufin cewa idan an yi shi'a da karamin shi'a mai yawa, za a iya samun karamin shi'a na 10 volts a kan 1 microsecond. V/mu S

Yadda a Kiyaye Slew Rate

Don kiyaye Slew Rate, ake amfani da shi'a mai yawa, sannan ake duba rawwar karamin shi'a daga 10% zuwa 90% na fadada ta a cikin oscilloscope.

Tsarin Slew Rate

Tsarin Slew Rate yana nuna yadda ake kiyaye karamin shi'a ta hanyar koyar karamin shi'a da koyar lokaci, wanda yake nuna yadda karamin shi'a zai canzawa.

Tatsuniyar Tsarin Wahala

Saboda hankali, ake amfani da frequency compensation a cikin duk op-amps don kula da jirgin wahalar mata. Hakan ya haɗa da Slew Rate. Kulan jirgin wahalar mata ya kula da canzan karamin shi'a a kan output na amplifiers, kuma hakan ya haɗa da Slew Rate na op-amp.

Idan ake amfani da frequency compensation a cikin tsarin biyu na op-amp, zai kasance low pass characteristic, kuma yana dace da integrator. Saboda haka, input mai sunan yana ba output mai lisan. Idan tsarin biyu yana da effective input capacitance C da voltage gain A2, akwai Slew Rate yana nuna:

Iconstant shine constant current na tsarin biyu a cikin saturation.

Amfani da Slew Rate

• A wasan mawakin sauti, slew circuitry taimaka muka samun slide daga wani note zuwa wani, misali portamento (ko glide ko lag).

• Slew circuitry taimaka muka samun transition mai yawa na control voltage zuwa cikin lokacin da aka zaba.

• A cikin wasu amfani na elektroniki inda ya kamata speed, software-generated slew functions ko slew circuitry taimaka muka samun canzan output a cikin lokacin da aka zaba.