1.1. Op-Amp IC 741

Try these first

1. 1.

   What is the gain of the Op-Amp IC 741?

   Hint

   Think about how strong the amplifier can make a signal.

2. 2.

   What type of supply does the Op-Amp IC 741 use?

   Hint

   Consider how an oscillator might require both positive and negative voltages.

3. 3.

   What is the typical gain of the Op-Amp IC 741?

   • 10,000
   • 50,000
   • 100,000

   Hint

   Think about the amplification factor!

4. 4.

   True or False: The Op-Amp IC 741 can operate with only a single supply voltage.

   • True
   • False

   Hint

   Recall the types of voltage supplies needed for operation.

5. 5.

   You are tasked with creating an audio amplifier using the IC 741. If the input signal to the amplifier is 100mV and the desired output is 1V, what feedback resistor (Rf) should be used if the input resistor (Rin) is 10kΩ?

   Hint

   Use the gain formula for inverting amplifiers.

6. 6.

   Evaluate the importance of dual polarity supplies in op-amp circuits, giving at least two examples of applications where they are critical.

   Hint

   Consider devices that process time-varying signals.