Is the coating tube a composite tube?
The current amplification of a composite triode is approximately equal to the product of the amplification of two tubes. When designing a circuit, it is better to choose a well integrated tube, and some have a protective circuit inside, so that the circuit is simple and reliable.
As the name suggests is a composite pipe by two and more than two kinds of materials after the composite process of composite with the pipeline, the pipeline and the performance of the composite material in the development of the future will be good, now the most widely used is the double metal composite pipe, which not only solves the problem of pipeline pressure pipeline also, play high pipe corrosion problems!
When the composite triode is formed, the emitter of the first tube is the collector at different polarities, and the current direction must be the same as the base current of the second tubes. The polarity of the composite triode depends on the first tube.
As the name suggests is to provide power tube power output, generally with the load driving circuit in the last stage, the output current is relatively large, because the production process limit, high current amplification triode tube is not large, so the composite tube for the way the magnification increases.
