Amateur class c amplifiers

Technical review. Class AB IV. In Class A we have discovered that the ouput power is quite limited and we cannot reach high signals while in Class B the ouput signal is more powerful but yield no linearity, and both classes show a too low efficiency. As amateur radio we need power, W in input and up to 2 kW ouput that depends of your national regulation , we need a linear signal and efficiency. These amplifiers use power devices that are are slightly polarized so that they work in the linear region of the load line for weak signals Class A and in Class B for stronger signals.

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Power amplifier classes

C Ham & Amateur Radio Amplifiers for sale | eBay

QRZ Forums. However, there are still a few important applications for Class C amplifiers whenever high efficiency and high output is required. Class C is also a lot easier on power supplies for a given output power. In addition, you can drive a class C amplifier with a linear amplifier, such as an ordinary sideband rig
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2016 Extra Class study guide – E7B – Amplifiers

There are three fewer questions in this section. The question on klystrons, for example, was removed. Some of the other questions were changed…Dan.
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First, let's talk about some basics of solid state amplifiers. Bias is used to "turn on" the transistor or transistors in an amplifier. A transistor, like a diode, doesn't do anything until it's input voltage rises above 0. Bias simply raises the voltage on the input of a transistor to the point just above it's "turn on" point.
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