# How can I make an amplifier?

## How can I make an amplifier?

The Steps Required for Common-Emitter Transistor Amplifier Design

1. Step 1: Determine R. C
2. Step 2: Determine the ‘Q’ Point.
3. Step 3: Determine RE
4. Step 4: Determine Emitter Voltage VE
5. Step 5: Determine Base Voltage VB
6. Step 6: Determine RB1 and R.
7. Step 8: Calculate RB1 and R.
8. Step 9: Determine CC1 and CC2.

What is the use of amplifier?

The device that amplifies something is called an amplifier. Of course, in the electrical circuit, including the audio power amplifier, the various signals are exchanged as electrical signals. So, the amplifier is for amplifying the signal flowing in the electric circuit, and it amplifies the input current or voltage.

How to make simple audio amplifier?

MOSFET transistor IRF540N (you can use similar N-Channel MOSFET)

• 47K 0.25W or 0.125W (it is not critical,you can use a 10K – 100K resistor)
• 12 Volts 21 Watt light bulb. A light bulb works as a powerful resistor.
• 4.7uF capacitor. (2.2uF to 10uF capacitors will work fine as well)
• 1000uF capacitor. (470uF to 2200uF capacitors will work fine as well.
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How to design audio amplifier circuit?

Find the Minimum Gain Required

• Setting the Gain
• Balancing the Input Bias Current
• Set the Low Frequency Cutoff at the Amplifier’s Input
• Set the Low Frequency Cutoff at the Feedback Loop
• Set the High Frequency Cutoff at the Amplifier’s Input
• Stability Components R f2 and C f
• The Zobel Network
• The Thiele Network Making the Inductors
• What is amplifier and explain with diagram?

Pin Diagram. IC-741 is a general-purpose op-amp.

• Working Principle. An ideal op-amp amplifies the difference between the two applied input signals (i.e.
• Op-Amp Characteristics. It is the ratio of input voltage to the input current.
• Ideal vs. Practical Characteristics of Op-amp
• Concept of Virtual Short.
• Applications of operational amplifier.