PA93EE

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Linear amplifiers, sometimes called power amplifiers, are used to increase the strength of an incoming signal. This is achieved by using a voltage amplifier to increase the current level of an input signal to an appreciably larger output signal. Instrumentation amplifiers, OP amp, and buffer amps are examples of linear amplifiers, each with its own distinct features and applications.

The PA93EE is an efficient linear amplifier designed to be used in a wide range of applications. Integrating multiple features in a single chip, this is an ideal choice for engineers looking to add extra value to their designs. This amplifier supports high power efficiency and a slew rate of 13V/us, making it suitable for use in high power, high speed, and high bandwidth applications.

Working Principle of PA93EE

The PA93EE is a fully operational linear amplifier that has two main components – the power amplifier section, and the control unit. The power amplifier structure is made up of several high power transistors arranged in a linear configuration. The control unit, on the other hand, consists of two separate channels – one for controlling the gain and the other for controlling the output offset voltage.

The power amplifier of the PA93EE operates by amplifying the input signal through the differential pair transistors. As the transistors amplify each other’s output, the output voltage increases exponentially. The output is then regulated using the bias voltage and the quiescent current of the differential amplifier.

The output offset voltage control of the PA93EE is managed using the second input channel. The PA93EE can be adjusted to provide a positive or negative offset voltage to suit different applications. The output voltage is then controlled using the control circuit which switches the bias voltage on or off depending on the input level.

Applications of PA93EE

The PA93EE is a versatile amplifier suitable for use in a wide range of applications. It is particularly well-suited for applications that require high power efficiency and a high slew rate. Some examples include automotive systems, sound reinforcement systems, instrumentation, and audio amplifiers.

The PA93EE is also suitable for use in a variety of communication systems, including base stations and wireless links. The amplifier can be used to increase the signal strength of systems operating in the VHF/UHF bands up to 1.2GHz. Additionally, the PA93EE is used in radar systems and other military equipment.

For designers looking to add value to their designs, the PA93EE is an ideal choice. It offers the benefit of increased power efficiency and a high slew rate, making it suitable for use in high power, high speed, and high bandwidth applications. Furthermore, its small size and versatility make it easy to integrate into existing systems.

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