HPA00394ZQLR

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The HPA00394ZQLR is a high-performance amplifier (HPA) developed specifically for use in military, aerospace, and other demanding high-reliability applications. The HPA00394ZQLR amplifier was designed by Hewlett-Packard to provide low-noise, high linearity and ultra-fast settling times. The device is self-biased, requiring no external bias components. Except for input and output matching, no external components are required. The HPA00394ZQLR also features a low power dissipation of less than 500 mW, allowing for higher integration density.

The HPA00394ZQLR amplifier is a monolithic integrated circuit, composed of multiple stages of transistors. The first stage consists of two differential low-noise amplifier transistors, followed by a two-stage voltage gain circuit. The gain is fixed at 40 dB, and the gain-bandwidth product is 8 MHz. The device is capable of supplying outputs of 25 mA, with a maximum voltage swing of ±14 V.

The HPA00394ZQLR is a high performance amplifier suitable for a wide range of applications including communications, Radar and sonar receivers, and medical diagnostic systems. The amplifier does not require any external components for operation, making it ideal for integration into compact systems with limited space requirements. The amplifier also features a fast settling time of 1.5μs, making it suitable for applications requiring highly accurate signal levels such as in laser diode drivers, pulse signals, radar and sonar systems.

The HPA00394ZQLR amplifier uses a simple feedback loop to ensure the desired linearity performance from its input to output ports. The amplifier takes the input signal, amplifies it with a gain of 40 dB and then feeds it back to the input stage, where it is applied to the differential input transistors. The feedback from the output stage to the input stage ensures that the level of the input signal remains constant over a wide range of frequencies, thereby providing a highly linear output.

In addition to the excellent linearity performance, the HPA00394ZQLR amplifier also offers excellent power consumption and high channel isolation. The amplifier has a power dissipation of 490 mW, allowing for higher integration density. The amplifier also features a high channel isolation performance of 50 dB over the entire frequency range. This ensures that any signals in the adjacent channels are not affected by the amplifier\'s operation.

The HPA00394ZQLR amplifier is thus an ideal candidate for high-reliability applications such as communications, medical diagnosis, and navigation systems. The amplifier\'s low noise, high linearity, and low power consumption make it suitable for operation in a wide range of conditions. In addition, the amplifier does not require any external bias components, making it ideal for integration into compact systems with limited space requirements.

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