Amplifiers

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Amplifiers

Subjects > Electronics

Tube Amplifiers are very popular amplifiers for high power applications. In fact, for power levels in the range of kilowatts, tube amplifiers are still the only device that can carry sufficient current.

Amplifiers may require cleanup using Band-Pass Filters.

In the area of Amateur Radio , some operators resort to using amplifiers when they should concentrate on improving their Antenna . An article HF Amplifier or Antenna goes into more detail on this dilema.

Some popular amplifers include:

• 6146 Amplifier
• 813 Amplifier
• 4-250-A
• 3-400Z Grounded-Grid Amplifier
• 3-500Z
• SS-200
• Sweep-Tube Linear Amplifier
• Eimac 8877 Triode
• LKA-1 Linear Amplifier
• RCC 230-L

There are several classes of Power Amplifiers.

If an amplifier begins amplifying some of it's output signal, it will be said to be operating in a feedback mode. This can cause oscillation.

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