E3C-LDA7

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E3C-LDA7 is a high power amplifier operating in the HF phoneme frequency range. It is a popular choice for many applications, including communicating, broadcasting and recording. The amplifier is also well-suited to improving the signal quality of other professional audio and video applications. In this article, we will discuss the application fields and working principle of the E3C-LDA7.

The E3C-LDA7 is an extremely versatile amplifier that can be found in many application fields including live sound systems, recording studios, public address systems, and professional radio broadcasting. It is well-suited for use in these professional audio and video applications as it is capable of delivering very high power levels with low distortion. Additionally, the amplifier is designed to be extremely efficient and can be used with three-phase power supplies.

The E3C-LDA7 is also used in many other areas, including experimental research and testing. This amplifier is commonly used in the study of ultrasound and can be used for non-medical applications such as industrial material testing.

The working principle of the E3C-LDA7 is based on a three-stage amplifier topology, which is often referred to as the High-Voltage Bridged-T (HVBT) configuration. This type of amplifier is capable of delivering high power levels while maintaining very low distortion, as the output transistors are operating as a pair and in-phase across the entire frequency range. Additionally, the amplifier is designed to be very reliable and can withstand shock and vibration.

The input signal is first amplified by the first stage, which consists of a differential amplifier and a pair of interstage transformers. The second stage amplifies the signal further and consists of an interstage transformer, followed by two balanced pairs of output transistors. The final stage utilizes four additional output transistors to drive the output signal to the load.

The E3C-LDA7 is an excellent amplifier for many professional audio and video applications due to its high power output, low distortion, and reliability. Additionally, the amplifier is designed to be very efficient and can be used with three-phase power supplies. Its application fields and working principle make it an ideal choice for many job sites and applications.

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