RFVC-6009

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RF misc ICs and modules are becoming increasingly popular with those looking to integrate wireless applications into their designs. One such device is RFVC-6009, which is part of Murata’s RF misc ICs and Modules portfolio. This article will provide an overview of the RFVC-6009’s main features, application fields and working principle, allowing readers to gain a better understanding of this IC and determine whether it is suitable for their application.

Features

The RFVC-6009 is a 10-stage differential variable capacitance (DVC) frequency agile IC that operates in the range of 7.4 to 8.7GHz. It features a simple complementary metal oxide semiconductor (CMOS) architecture and a compact design, making it highly integrated and suitable for use in a variety of low power, cost effective applications.

The RFVC-6009 has a frequency control accuracy of ±50ppm with an 11V VCO control voltage and is capable of providing 42dB of gain, while offering low phase noise of -125dBc/Hz at 1kHz from the carrier. It also has a low supply current requirement of 20mA and is designed for both voltage mode and current mode software control, allowing for improved efficiency and flexibility. In addition, the IC has a temperature coefficient of 9.6mV/°C and is supplied in a 5x5mm 38-pin QFN package.

Application Fields

The RFVC-6009 is suitable for a wide range of applications, including point-to-point radio systems, wireless local area networks (WLANs) and broadband access systems. Its small size and wide frequency range make it ideal for use in smart homes, providing high data rates and excellent reliability. Additionally, the IC can also be used in automotive, medical and industrial applications, where its high frequency agility helps to deliver reliable wireless performance.

Working Principle

The RFVC-6009 operates as a frequency agile IC using a differential variable capacitance (DVC) topology. The IC is comprised of two main components – a differential input stage and a variable capacitance array. The input stage consists of a differential amplifier, which receives an external voltage control signal. This voltage control signal is then translated into a corresponding frequency, according to the capacitance of the DVC array. As the frequency modulation signal is increased, the capacitance of the array decreases, resulting in an increased frequency. Conversely, as the frequency modulation signal is decreased, the capacitance of the array increases, resulting in a decreased frequency.

As a result, the RFVC-6009 can precisely control the oscillation frequency by controlling the capacitance of the DVC array, providing the capability for frequency agility with minimal power consumption. This makes it ideal for applications such as point-to-point radio systems and wireless local area networks, where the ability to rapidly and accurately switch between frequencies is essential.

Conclusion

The RFVC-6009 is an ideal solution for wireless applications that require frequency agility, in particular point-to-point radio systems and wireless local area networks. Its CMOS architecture and small size make it suitable for use in low-power, cost effective applications, while its precise frequency control accuracy and low phase noise capability make it a reliable and efficient choice. Furthermore, its wide operating frequency range makes it an ideal solution for smart homes, automotive, medical and industrial applications.

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