How many types of amplifiers are there?

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Tags

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2. #amplifiers
3. #although
4. #which
5. #makes
6. #amplifier
7. #current
8. #sometimes
9. #higher
10. #input
11. #there
12. #output
13. #classified
14. #given
15. #suggests
16. #basic
17. #parameters
18. #types