Basic electronics #9(2010)
- 1. ! Төслийн сэдэв: •Группын гишүүдийн нэрстэй хураалга! Basic Electronics Lecture #9 Company LOGO B. Bat-Otgon © 2010 Operational Amplifier Ch.9 FEED BACK β>1 :Өсгөгч β<1 :Бууруулагч хэлхээ (Идэвхгүй хэлхээ)
- 2. Operational Amplifier Ch.9 FEED BACK Өсгөгч болон гэдрэг холбооны нийт фаз эргүүлэлт тэгш π байвал эерэг гэдрэг холбоо болно. Operational Amplifier Ch.9 WHAT IS OP-AM? (–) inverting input (+) non-inverting input
- 3. Operational Amplifier Ch.9 GENERAL PURPOSE OP-AM μA741 Operational Amplifier ABSOLUTE MAXIMUM RATINGS Symbol Parameter UA741M UA741I UA741C Unit VCC Supply voltage ±22 V Vid Differential Input Voltage ±30 V Vi Input Voltage ±15 V Ptot Power Dissipation P Di i ti 500 mWW Toper Operating Free-air -55 to -40 to 0 to +70 °C Temperature Range +125 +105 Tstg Storage Temperature Range -65 to +150 °C Operational Amplifier Ch.9 INTERNAL STRUCTURE
- 4. Operational Amplifier Ch.9 OP-AM AS A DISCRIMINATOR Pulse Width Modulator Operational Amplifier Ch.9 OP-AM AS A DISCRIMINATOR VIN VREF _ Y7 R + _ Y6 R + _ Y5 R + _ Y4 R + Bargraph Audio Level Indicator _ Y3 R + _ Y2 R + _ Y1 R +
- 5. Operational Amplifier Ch.9 INVERTING AMPLIFIER By 2nd Rule: d V IN 0V ; V B 0V V A 0V VIN VOUT By 1st Rule: I I R1 R2 Operational Amplifier Ch.9 NON-INVERTING AMPLIFIER By 2nd Rule:
- 6. Operational Amplifier Ch.9 DIFFERENTIAL AMPLIFIER Operational Amplifier Ch.9 SUMMING (MIXING) AMPLIFIER Average Value
- 7. Operational Amplifier Ch.9 INTEGRATOR Integrating Amplifier Summing Integrator Operational Amplifier Ch.9 DIFFERENTIATOR Summing Differentiator Defferential Differentiator
- 8. Operational Amplifier Ch.9 LOGARITHMIC & ANTI-LOGARITHMIC AMPLIFIER Operational Amplifier Ch.9 OP-AM AS ANALOG COMPUTER
- 9. Operational Amplifier Ch.9 ACTIVE RECTIFIERS Operational Amplifier Ch.9 OP-AM CURRENT SOURCE
- 10. Company LOGO ! Гэрийн даалгавар (Бүл.9): 11/14 Баасан