Composition of Professional Amplifiers

Professional Amplifiers are often used in broadcasting, output stages of communication transmitters, output stages of audio systems, and amplifiers for driving actuators in control systems. The application occasions are different, the performance requirements are different, and the circuit composition and work type are also different. Commonly used are linear power amplifiers, resonant power amplifiers, broadband power amplifier circuits, and so on. To increase the output power, power synthesis technology can be used.

Here is the content list:

• Class T Professional Amplifiers

• Active Components Used in Professional Amplifiers

Class T Professional Amplifiers

The power output circuit of the class T power amplifier is the same as that of the pulse width modulation class D power amplifier, and the power transistor is also working in the switch state, and the efficiency is equivalent to that of the class D power amplifier. But it is different from ordinary class D power amplifiers:

First of all, instead of using pulse width modulation, Tripath invented a digital power technology called "Digital Power Processing (DPP)", which is the core of the Class T power amplifier. It uses adaptive algorithms and predictive algorithms for dealing with small signals in communication technology. After the input audio signal and the current entering the speaker are digitally processed by DPP, they are used to control the turn-on and turn-off of the power transistor. So that the sound quality reaches high-fidelity linear amplification.

Second, the switching frequency of its power transistors is not fixed. The power spectrum of the unwanted component is not concentrated in a narrow frequency band on both sides of the carrier frequency but spreads over a wide frequency band. Make the details of the sound "sellable" over the entire frequency band.

In addition, Class T power amplifiers have a wider dynamic range and flat frequency response. The emergence of DDP has pushed power amplifiers in the digital age to a new level. In terms of high fidelity, the linearity is as good as that of traditional-class AB power amplifiers.

Active Components Used in Professional Amplifiers

The active devices used in Professional Amplifiers are mainly transistors (bipolar or field effect transistors). Electron tubes (including high-power emission tubes) are also used in occasions where the operating frequency is high or the output power is required to be large. Traveling wave tubes are used in the microwave segment. Power amplifiers can be divided into Class A (A), Class AB (AB), Class B (B), Class C (C), and Class D (D) according to the operating points of their active devices.

Guangzhou Xinhe Audio Equipment Co. Ltd., www.xinhesound.com, is a dynamic, creative, experienced, and responsible team. Everyone on the team is committed to providing the best products and services to our customers. Our company has developed a wide range of Professional Amplifiers which are tested extensively before leaving the factory to ensure quality. As a professional manufacturer, we specialize in manufacturing the highest quality Professional Amplifiers. We have conducted a large number of tests before leaving the factory to ensure the quality. You can consider using our cost-effective products. Thank you for your time! We are looking forward you to coming to contact us!