Field effect transistors are actually very similar to electron tubes. The key is that they have high power and high impedance, so they are used in many circuits. And there are many advantages. This kind of directional symmetry can be said to be something that ordinary transistors cannot achieve. Perhaps many people do not understand this two-way symmetry. In fact, the eight emitters and collectors can be interchanged with each other. However, for ordinary electron tubes, there is no such effect at all.

The function of the field effect transistor is still very powerful, and it is used well in many speaker equipment and integrated circuits. It is not only thermally stable, but also can be used in switching circuits, detection circuits, and rectifier circuits. After all, the dynamic range is large, so the effect is very good when used in many circuits. From the aspect of relatively high impedance, we can see that this change is still relatively small. After all, the characteristic of low noise is really obvious compared to other transistors.
Field effect tubes are very good to use in audio. After all, the low-frequency effect is very good, so this kind of. Refrigerator equipment is still used more often. In addition, this kind of transistor has less eczema in the amplification circuit, so it has a better effect in the presentation of music. When choosing this product, you must choose according to the circuit. For example, in terms of audio response, the circuit actually needs to choose different heat dissipation designs. For example, installing a heat sink for heat dissipation can meet the requirements. In addition, this choice is not particularly simple. After all, when facing different types of choices, you may have to better look at these requirements. In addition, pay attention to avoid short circuits during installation. And when installing these, you must ensure that the soldering iron or circuit board is well grounded, so as to avoid breakdown during installation. In addition, the tubes must be connected together before being installed on the circuit to ensure that they will not be affected by static electricity. They can be removed only after the installation is completed.

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