Introduction: When using some audio playback equipment, we often use audio transformers. In the process of maintaining the normal operation of audio playback equipment, it plays a vital role. I am going to explain the secrets about audio transformer through this article.
Audio transformer in life is also known as "low-frequency transformer", its operating frequency is in the sound frequency range, through the control of the output of the audio transformer and thus control the voltage of the audio equipment, you can fight against the magnetic field changes, effectively preventing the sound of the distortion, so that the audio equipment is always able to play! or input a stable, suitable for people to listen to the sound.
There are many types of audio transformers, commonly used types are: input transformer, output transformer, interstage transformer and interline transformer. Different types of transformers have different areas of application. Below, respectively, the application of these types of audio transformers.
Application of Input Transformer
From the name of input transformer, we can see that the role of input transformer mainly occurs when the input sound. So, the input transformer is mainly used for microphones, microphones and some other input devices. The location of the input transformer is generally located between the input device and audio equipment, mainly to play the role of blocking noise, resistance to magnetic field force, to prevent the input of sound distortion.
The power of the input transformer is very small, but the sensitivity is very high, with good shielding performance.
Output Transformer Applications
The output transformer is used in audio equipment and playback equipment. It is generally connected between the load circuit and the output circuit, and is called an output transformer because it mainly plays the role of variable group exchange for the output audio. Output transformers have good impedance capability, it is used in audio equipment, it can narrow the frequency variation of audio, to achieve "high fidelity" output.
The role of the interstage transformer
The common interstage transformer harmonizes the operating units of each stage in an amplifier. It can regulate the voltage of the audio symbols, so that the impedance parameters between the various working units of the stage to achieve their respective degree of matching, to maintain the normal operation of the entire working equipment. So, most of the equipment we see in our life utilizes interstage transformers. Therefore, the interstage transformer is life, the most widely used class of audio transformers.
Interstage transformer applications
Interstage transformers are commonly used in wired radio equipment. Because of the cable broadcasting work set, there are often many high-power amplifiers, and the line is long, long-distance delivery of audio will make the audio distortion. Therefore, people invented the interline transformer this kind of audio transformer, use it, you can keep the whole line between the impedance fit, so that the impedance value becomes a fixed parameter, and will not be because of the medium and long distance delivery and change.
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