HMC643-SX

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

RF Misc ICs and Modules are an essential part of a wireless communication system.

HMC643-SX is a highly integrated, advanced RF front-end IC that is designed for low-power point-to-point and point-to-multi-point wireless communication systems operating in the 2.4 – 2.7 GHz frequency range. The HMC643-SX provides two modes of operation: PowerGain (enhanced-gain front-end operations) and PowerSave (reduced-power front-end operations). PowerGain mode is suitable for base station applications where maximum range and data throughput are desired. PowerSave mode is compatible with mobile or battery-powered applications.

The HMC643-SX contains a power amplifier (PA), a low noise amplifier (LNA), a mixer/down converter, a programmable gain block, and an image rejection filter. The PA is optimized for maximum linear power, while the LNA is designed to achieve the low noise figure. The image rejection filter is optimized to reject any images generated in the RF front-end.

The HMC643-SX also provides protection against damage due to over-voltage and over-current and also allows for the implementation of automatic shutdown in the case of an over-temperature. It offers a wide range of input levels from 0 dBm to 8 dBm and an output level of up to +12 dBm.

The HMC643-SX can be used in a variety of applications, such as mobile and hand-held wireless data terminals, low-power transmitters, low-power base stations, and low-power receivers. It is also suitable for ultra-low power IoT applications.

This IC is also suitable for Wi-Fi applications, where it can be used as an amplifier and upconverter for receiving signals from a base station. It can also be used for high-gain transceiver solutions, allowing for significant RF range in both receiving and transmitting applications. Additionally, it can be used for very low power transmitters, such as the ones used in smart meters or smart homes.

The HMC643-SX’s working principles are based on the Monolithic Microwave Integrated Circuit (MMIC) architecture, which utilizes highly-integrated devices that provide a compact, cost-effective solution for RF applications. The IC is composed of Static Induction Transistors (SIT), High Electron Mobility Transistors (HEMT), Bipolar Junction Transistors (BJT), and Power Darlington transistors. These devices are combined to form the LNA, PA, mixer and IF filter.

The HMC643-SX can be powered by two different sources. First, the DC voltage can be sourced from an external power supply with a range of 2.3V to 3.3V. Second, an internal voltage control can be used to switch to a low power mode (LDO Mode) to reduce the power consumption during RX/ TX. In the LDO Mode, the PA current is reduced to about 1/15th of its peak current.

In conclusion, HMC643-SX is an advanced, highly integrated, RF front-end IC designed for high-performance, low-power point-to-point and point-to-multi-point wireless communication systems operating in the 2.4 – 2.7 GHz frequency range. It is well-suited for low-power on-board applications like mobile wireless data terminals, base stations, and low-power receivers. Its working principle is based on MMIC architecture providing excellent performance. It\'s wide range of input levels, and accessible protection mechanisms allows designers to create low-power devices with reliable, high-performance components.

The specific data is subject to PDF, and the above content is for reference