HMC391LP4ETR

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RF Amplifiers

HMC391LP4ETR is an RF amplifiers solution. It is an MMIC amplifier in a low noise amplifier (LNA) module. The module features ETR (External Tuning Radio) circuitry and is designed for applications in bands between 400 MHz to 6 GHz.

Application

HMC391LP4ETR module is used in applications like cellular infrastructure, WLAN, WiMAX, Point to Multi-Point radios, avionics, satellites, and military surveillance.

Working Principle

The HMC391LP4ETR module works based on the principle of ETR where both the frequency and gain of the device can be controlled via external voltage. It consists of a low noise amplifier and an ETR circuit that allows for gain and frequency control while maintaining low noise figure and high linearity.

The signal is first amplified by the LNA and then passed through the ETR circuit. The ETR circuit consists of active devices such as transistors, capacitors, and resistors that are used to control the gain and frequency of the signal. The voltage applied to the ETR circuit then alters the characteristics of the active devices, controlling both the frequency and gain of the signal.

The outputs of the HMC391LP4ETR can be used for further amplification or direct connection to receivers, antennae, or other applications. The LNA section can provide 15 dB of gain over the 400 MHz to 6 GHz frequency range.

Conclusion

The HMC391LP4ETR RF amplifier is an ideal solution for applications requiring wide frequency ranges and gain control. It features ETR circuitry that allows for gain and frequency control while maintaining wide bandwidth operation over 400 MHz to 6 GHz.

The HMC391LP4ETR module is widely used in cellular infrastructure, WLAN, WiMAX, Point to Multi-Point radios, avionics, satellites, and military surveillance.

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