HMC752LC4TR

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RF amplifiers are electronic components that serve the purpose of increasing the power of a given signal. Among these amplifiers is the HMC752LC4TR from Hittite Microwave Corporation. This multistage GaAs amplifier is an integrated solution specifically designed for high-performance applications and combines a low noise amplifier (LNA) with a power amplifier (PA). This reliable device is found in a wide array of products, from remote controls, radios, to communication systems and wireless infrastructure.

The package size of this device is too small for the full description of wihat’s inside; either way, this amplifier can be used in a wide range of frequencies, from 0.45-5.6 GHz. Input matched to 50 Ohms and having up to 38dB of gain, HMC752LC4TR is equipped with dual expansion ports that facilitate the integration of for example, a higher gain medium stage. It is better to say that, this multi-stage architecture along with good power gain, causes the HMC752LC4TR to be a versatile solution for numerous applications.

HMC752LC4TR works in a wide range of temperatures from -55 to +85°C, and it\'s desgined to handle powers up to 20 dBm without requiring an extra external supply, making its user’s life easier. Through the expansion ports it’s possible to control each port independently and using the Logarithmic Amplifier Mode (LAM) it is possible to keep the desired input impedance for a good signal integrity.

HMC752LC4TR is configured as an LNA with low noise figures, up to 1.4dB. This ensures a low power consumption as the device has a standby current level of about 1mA, this is, in comparison with other devices, very low. Besides, it provides a high linearity and excellent temperature stability. This architecture makes it a powerful solution for systems that require a broadband operation like WiMAX/WiBro networks, point-to-point radios, WLANs, VSATs, MMDS, and other mobile applications.

The HMC752LC4TR can generate up to +20dBm of output power at 1dB gain compression with remarkable return loss. This device is highly efficient due to its low current requirements and, beyond this, it is an operationally stable amplifier which provides excellent performance in frequency, insertion loss, and high isolation. Its potentiometer allows the user to adjust the input impedance and to control the gain of the LNA.

Finally, this amplifier is a robust solution that provides a low cost performance-oriented configuration. The HMC752LC4TR is supplied in a small package making it easy to work with any other transistor-noise figure, losses, gain, and isolation are excellent performance metrics in this device.

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