HMC554ALC3BTR

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• RF Mixers: HMC554ALC3BTR application field and working principle

An RF mixer, also known as an RF signal mixer, is an active device that is used to modulate or combine two signals together. The HMC554ALC3BTR, manufactured by Analog Devices, is a high performance, low noise, low power self-switched mixer. It has design enhancements that optimize low noise conversion over a wide frequency range.

The HMC554ALC3BTR is a far infrared mixer that has a wide application field, which includes:

• Wireless applications such as cellular infrastructure, WLAN, and Bluetooth.
• Test & Measurement applications.
• Cable television systems.
• Radar and other communication systems.

The HMC554ALC3BTR is an integrated low noise mixer ideally suited for wireless and test & measurement applications. This device has excellent input and output match and low harmonic distortion. It is supplied in a 3x3mm QFN package.

The device is produced with a bipolar process, using an Epitaxial Base Transistor (EFT) process. It is also produced with an integrated collector amplifier and input linearization capacitors. The device also offers low distortion levels, low phase noise, and low operating currents.

A key attribute in RF mixers is the noise figure, as this has a direct impact on the sensitivity of the RF receiver circuit. This device has a noise figure of 6dB at 0.9GHz, which is extremely low. It also offers good linearity, a key attribute for high-performance wireless receivers, and is suitable for various standard production processes.

The device is caused by the difference between the two applied signals. As the signals are combined, new frequency components are produced. This is known as heterodyning. The new frequencies are a function of the applied frequencies and are determined by the frequency of each signal. The output of the mixer includes the sum and difference of the applied frequencies. This is known as inter-modulation products.

The HMC554ALC3BTR also offers good linearity in its RF port, which allows it to be used for multiple applications such as long-haul radio links. The device is available with a power supply of 2.8V to 6V, making it well suited for a wide range of wireless applications.

In summary, the HMC554ALC3BTR is a high performance, low noise, low power self-switched mixer which offers excellent input and output match and low harmonic distortion. It is suitable for use in wireless applications such as cellular infrastructure, WLAN, and Bluetooth, as well as test & measurement applications. The device offers good linearity in its RF port and is available with a power supply of 2.8V to 6V.

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