HMC599ST89ETR

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RF Amplifiers: HMC599ST89ETR Application Field and Working Principle

An RF (radio frequency) amplifier is an electronic device used to amplify signals that are in the radio frequency range of the electromagnetic spectrum. The HMC599ST89ETR is a low noise amplifier optimized for small signal gains and is regularly employed in a wide variety of radio frequency systems and applications. This device provides broadband gain across the entire RF spectrum, while also boasting low noise and excellent linearity. Its small physical size makes it ideal for modern transceiver and receiver applications.

HMC599ST89ETR Application Field

The HMC599ST89ETR is an ideal amplifier for applications in wireless communications, digital TV, GPS, VHF and UHF, WiFi/WiMax, military/aerospace communication, fiber optic communications, space, and automotive systems. This amplifier supports a frequency range from 100MHz to 6GHz, making it suitable for multiple tasks, such as in-vehicle radar systems, wireless base stations, and wireless data transfer systems.

HMC599ST89ETR Working Principle

The HMC599ST89ETR is a balanced amplifier consisting of two transistors and one dielectric resonator. The device is designed around a common gate transistor input topology, allowing it to support frequencies from DC to 6 GHz. The dual-transistor configuration allows for higher gain, while the output uses two pairs of MOSFETs, thus allowing higher bandwidth and better linearity over a single transistor configuration.

Thanks to the dual-transistor topology, the HMC599ST89ETR is able to achieve a gain of 17 dB across the full input frequency range, as well as a noise figure (NF) of only 1.2 dB. The amplifier also boasts a high linearity, with third-order input intercept point (IIP3) of +34 dBm and second-order input intercept point (IIP2) of +40 dBm.

In addition, the amplifier comes with integrated matching circuitry and offers wide bandwidth response across the entire frequency range, making the device suitable for multi-band applications. The amplifier is housed in a 5mm × 5mm × 0.75mm QFN package, making it ideal for modern transceiver and receiver applications where size and weight are important factors.

Conclusion

The HMC599ST89ETR is a versatile, low noise amplifier that is suitable for a wide range of radio frequency applications. Its small physical size makes it ideal for modern transceiver and receiver applications, while its high gain and wide bandwidth response make it suitable for multi-band systems. This amplifier is well suited for applications such as wireless communications, digital TV, GPS, and UHF systems.

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