HMC549MS8GE

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Introduction to HMC549MS8GE

The HMC549MS8GE is a high performance single stage, low noise amplifier designed to provide a medium gain solution to allow signal conditioner used in RF amplifiers applications. This device is housed in a small, (MSOP8), 8-pin surface mounted package. This device incorporates an integrated active bias network, voltage compensation, and high IP3 (Input Third Order Intermodulation Distortion).

Application Field of HMC549MS8GE

The HMC549MS8GE is a great choice for RF amplifiers and signal conditioners in those application fields requiring high speed, low noise, high gain and wide dynamic range. Such application fields include wireless systems, satellite communications, digital voice and data radio systems, cellular telemetry, and analog and digital communication networks.

Its applications also stretch to test and measurement, service monitoring, EMI/RFI system, and microwave sensitivity test. With a wide gain range from 8 to 28 dB, the device can cover variety of signal conditioning need.

Working Principle of HMC549MS8GE

The HMC549MS8GE is designed using high performance GaAs pseudomorphic HEMT Technology. This enables the device to achieve excellent Noise Figure (NF) and Input Third Order Intermodulation Distortion (IP3). This device utilizes an integrated active bias network, voltage compensation and high IP3 performance which makes it an ideal choice for low noise, wide dynamic range requirements.

HMC549MS8GE contains two amplifiers connected in cascade. A differential pair connected at the input produces the small signal gain and noise figure. A second, balanced amplifier uses the same signal to produce the large signal gain and IP3.This device also incorporates a voltage compensation circuit for high IP3 performance across a wide range of voltage supplies.

The HMC549MS8GE integrates all of the necessary functions needed for an RF amplifier in one device, such as input gain and offset bias settings, along with input/output filters, allowing the user to keep the amount of external components to a minimum. This helps to simplify the circuit design and reduce board area and cost.

Conclusion

The HMC549MS8GE is an ideal choice for providing high speed, low noise, gain, and wide dynamic range in RF amplifiers applications. This device is a single stage, low noise amplifier which achieves high gain with high IP3 performance. The device utilizes an integrated active bias network, voltage compensation and high IP3 performance which makes it an ideal choice for low noise, wide dynamic range requirements. Its applications include wireless systems, satellite communications, digital voice and data radio systems, cellular telemetry, analog and digital communication networks, test and measurement, service monitoring, EMI/RFI system and microwave sensitivity test.

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