Kamar da ya yi aiki mai amfani da shirya kimiyya (O- Pamp)

Ya Duka Masu Hanyar Amfani Da Operational Amplifier?

Operational Amplifier (Op-Amp) shine wani abu na elektroniki mai tsari da yake amfani a cikin hanyoyi masu amfani da shi don hana shirye-shirye, kwalba, integira, diferenshiya, da sauransu. Abubuwan da ya fi yawa shine hana wannan farkon karamin shirye-shirye a bayanan biyu na maimaita. Wannan shine bayanin yadda operational amplifier yake aiki da kuma abubuwan da za su iya samun fahimta:

1. Tsarin Yakin

• Operational amplifier tana da pins biyar:

• Non-Inverting Input (V+): Maimaitar gaba mai karfi.

• Inverting Input (V−): Maimaitar gaba mai haske.

• Output (Vout): Shirye-shirye na gida.

• Positive Supply (Vcc): Kirkiro mai karfi.

• Negative Supply (Vee): Kirkiro mai haske.

2. Hukumomin Aiki

Tashin Operational Amplifier Ideal

• Gain Tafi Mai Tsabta: Idan ana nuna ita, gain A ta operational amplifier yana zama tafi mai tsabta.

• Input Impedance Tafi Mai Tsabta: Input impedance Rin yana zama tafi mai tsabta, yana nufin cewa kirkin maimaitar yana zama damuwa.

• Output Impedance Damuwa: Output impedance Rout yana zama damuwa, yana nufin cewa kirkin gida yana iya zama tafi mai tsabta ba tare da a taka muhimmanci a gida.

• Bandwidth Tafi Mai Tsabta: Idan ana nuna ita, operational amplifier yana iya aiki a duk frequencis bila wasu muhimman tsari.

Muhimman Operational Amplifier Na Gida

• Gain Mai Tsabta: A cikin yanayi, gain A ta operational amplifier yana da muhimmanci, tare da rike daga liman shekaru biyar zuwa liman shekaru dubu.

• Input Impedance Mai Tsabta: Input impedance na gida ba tafi mai tsabta, amma yana da muhimmanci (megan ohms level).

• Output Impedance Ba Damuwa: Output impedance na gida ba damuwa, amma yana da muhimmanci.

• Bandwidth Mai Tsabta: Bandwidth na gida na operational amplifier yana da muhimmanci, tare da rike daga hundreds of kilohertz zuwa megahertz.

3. Tsarin Aiki Na Biyu

Open-Loop Configuration

Open-Loop Gain: A cikin open-loop configuration, gain A ta operational amplifier yana zama amfani da farkon karamin shirye-shirye na maimaita.

Saturation: Saboda gain A mai yawa, jinkiri maimaitar ba tafi mai tsabta yana iya bukatar gida a zama kirkiro na power supply (i.e., Vcc ko Vee).

Closed-Loop Configuration

Negative Feedback: Ta hanyar sadarwa negative feedback, gain ta operational amplifier zai iya zama a cikin muhimmanci.

Negative Feedback Circuit: Negative feedback circuits masu yawan amfani sun hada da inverting amplifiers, non-inverting amplifiers, da differential amplifiers.

Virtual Short and Virtual Open: A cikin negative feedback circuits, shirye-shirye a bayanan biyu na maimaita na operational amplifier suna da muhimmanci (virtual short), da kuma kirkin maimaitar ba tafi mai tsabta (virtual open).

4. Tsarin Aiki Masu Yawan Amfani

Inverting Amplifier

Circuit Structure: Kirkiro na maimaita an yi a kan resistor R1 zuwa inverting input V −, da kuma feedback resistor Rf an yi a kan output Vout zuwa inverting input V-.

Vout zuwa inverting input V-.

Non-Inverting Amplifier

Circuit Structure: Kirkiro na maimaita an yi a kan resistor R1 zuwa non-inverting input V +, da kuma feedback resistor Rf an yi a kan output Vout zuwa inverting input V−.

Differential Amplifier

Circuit Structure: Biyu na kirkiro na maimaita an yi a kan non-inverting input V+ da inverting input V−, da kuma feedback resistor Rf an yi a kan output V out zuwa inverting input V −.

5. Takardunen Bayani

Operational amplifier yana aiki don hana farkon karamin shirye-shirye a bayanan biyu na maimaita, tare da aiki na gida tana da high gain da kuma negative feedback mechanisms. Ta hanyar amfani da sabon tsarin hanyoyi, op-amps zai iya aiki a cikin abubuwa kamar hana, kwalba, integira, da kuma diferenshiya. Fahimtar hukumomin aiki da kuma tsarin aiki masu yawan amfani na op-amps yana da muhimmanci don kudin da kuma kula abubuwa masu elektronika.