Answer / khurram_bhati01

OP-AMP IS BASICALLY AN IC, E.G 741 WHICH HAVE THE FOLLOWING
CHARACTERISTICS.
HIGH INPUT IMPEDENCE
LOW OUTPUT IMPEDANCE
HIGH GAIN

AN OP-AMP CAN BE USED AS AMPLIFIER AND AS A COMPARATOR.
THESE ARE ITS APPLICATION.

IN AMPLIFER MODE ITS JUST AMPLIFY THE INPUT SIGNAL.
IN COMPARATOR MODE IT IS USED TO SENCE THE TWO INPUT
VOLTAGE, ONE IS REFERANCE AND OTHER VARIES. COMPARATOR
CHANGES ITS OUTPUT STATE AS THE VARING VOLTAGE INCREADED OR
DECREASED FROM THE REFERANCE.

Answer / rupesh raj karn

OP AMP is just an IC741 found in market.
Comparator is an OP AMP used in open loop configuration.
Amplifier is OP AMP in closed loop configuration

Why capacitor pass A.C and Block D.C ?

4 Answers   Honeywell, JIET, LG,

---

Why Visual Basic is referred to as "Front End Tool"?

2 Answers   College School Exams Tests, IBM, Oracle,

---

What is back diode?

0 Answers  

---

Which type of power plant is more easier to produce electrical power at economical condition?

0 Answers   HAL,

---

how a definite tx line can acts as indefinite tx line

0 Answers   Bosch,

---

WHERE MODERN TECHNOLOGY USEING IN STEEL INDUSTRY.AND WHAT IS THE NAME OF THE TECHNOLOGY

2 Answers   TATA, Vizag Steel,

---

Where to use friend function in binary operator overloading . How? explain with an example.

0 Answers  

---

How many types of Registers are there in 8086 Microprocessors?

7 Answers   TCS,

---

Tell me can a gas be used for conducting current?

0 Answers  

---

Please send BSNL TTA Question Answer

0 Answers   BSNL, PSEB,

---

jkms flip flop applications

2 Answers  

---

Please, give me the simple circuit dig. for "oscillator with variable frequency & upto 6W". I will be very thankful to you.

0 Answers  

---