HMC558ALC3BTR-R5

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RF mixers are key components in radio-frequency signal circuits. They are used for a variety of purposes, including signal filtering, frequency conversion, frequency shifting, voltage regulation, and modulation. An example of a popular RF mixer is the HMC558ALC3BTR-R5. This article will explain the application fields and working principles of the HMC558ALC3BTR-R5.

Application Field

The HMC558ALC3BTR-R5 wideband MMIC balanced mixer is designed for frequency conversion of wideband signals in the 0.1 to 4000 MHz range. It has wideband input and output matching along with a typical conversion loss of 0.6 dB. This makes it suitable for use in communications equipment, test and instrumentation, and RFID scanning systems. It is a compact, integrated component with low power dissipation and low insertion loss, making it an ideal choice for a wide range of applications.

Working Principle

The HMC558ALC3BTR-R5 mixer is based on a balanced double-balanced Gilbert cell topology. The double-balanced Gilbert cell consists of four transistors and two baluns. It operates by enabling current to flow in both directions from the input port to the output port. The input and output signals are combined in the mixer by the balun, and the resulting differential voltage is applied to the transistors, which switches them between an "off" and an "on" state. When the transistors are in the "off" state, the differential voltage is very small, and there is no current flowing through the transistors. When the transistors are in the "on" state, the differential voltage is large, and current flows between the input and output ports. This current is shifted by the balun, allowing the mixer to output the desired output frequency.

The HMC558ALC3BTR-R5 mixer also offers low input return loss, high dynamic range, and excellent linearity. In addition, it features a wide harmonic rejection range and a fast switching time, allowing it to handle complicated signals without sacrificing signal fidelity or performance.

The HMC558ALC3BTR-R5 wideband MMIC mixer is a popular choice for a range of applications, from communications equipment to RF scanning systems. Its balanced double-balanced Gilbert cell topology allows it to offer a wide input/output range and excellent linearity. It features low return loss, a wide harmonic rejection range, and a fast switching time. With its low power dissipation and low insertion loss, this mixer is an ideal choice for a variety of applications.

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