Amplifiers and how do they work

1. Amplifiers

AMPLIFIERS
AND HOW DO THEY WORK

2. What is it?

WHAT IS IT?
An amplifier is an electronic device which
can increase the power of a signal.
An amplifier can be a separate piece of
equipment or an electrical circuit, contained
within another device.

3. Amplifiers in circuit

AMPLIFIERS IN CIRCUIT
• An amplifier
• A transistor
amplifier circuit
or an audio
amplifier
• Cascading
amplifiers

4. How do they work?

HOW DO THEY WORK?

5. Amplifier types

AMPLIFIER TYPES
Active devices
Power amplifiers
Microwave amplifiers
Musical instrument amplifiers
And etc.

6. Where do we use them?

WHERE DO WE USE THEM?

7. Literature

LITERATURE
• “English for Radio Engineering” –
Kirilovskaya E.G., Leznina T.M.
• Wikipedia.org
• Google.com