Considering Figure 1 and Figure 2, list main types of amplifiers with their applications and give detailed explanation, supporting with relevant diagrams/pictures etc.

Build the following circuit using the TINA simulation package.

Plot a graph between frequency (x-axis) and gain in dB (y-axis).

Apply a sine wave of 40mV/1 KHz. Calculate voltage gain of an amplifier in dB using Oscilloscope.

Vary frequency and note down output voltage using Oscilloscope.

Explain types of feedback (Open and Closed loop, Positive and Negative feedback). Consider advantages and disadvantages of these. It’s effect on amplifier performance.

Describe the figure 3 circuit without a capacitor connected across Re.

Discuss advantages and disadvantages of R-C oscillators.

Gain calculation, this is an inverting amplifier. Gain = Rf/Rin. Calculate gain.

Observe input and output waveform using an oscilloscope and note down the time period. Calculate gain frequency of oscillation using the time period. Show results and waveforms to a tutor and take a photo as a part of submission.

Discuss in detail the Wein bridge oscillator using op-amp in detail.

Discuss advantages, disadvantages, and applications of the Wein bridge oscillator using op-amp.

Briefly discuss why testing electronic components and devices is an integral part of designing?

Add here conclusion for A1. What did you learn? What skills and knowledge has developed throughout learning this unit?