SI5324A-C-GMR

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The SI5324A-C-GMR is an oscillator from Silicon Labs, designed for use in a variety of application specific time-sensitive applications, such as networking and communications. This article provides an overview of the applications and working principle of the SI5324A-C-GMR.

The SI5324A-C-GMR is a low-current, voltage-controlled oscillator (VCO) with a wide frequency range of 40 kHz to 600 MHz. It operates from a single +3.3 V power supply, with a low jitter of less than 20 fs- RMS from DC to 600 GHz. The SI5324A-C-GMR is designed for use in time-sensitive applications, such as global system for mobile communication (GSM), CDMA, digital video broadcast-terrestrial (DVB-T), time division multiple access (TDMA), and Wi-Fi.

The SI5324A-C-GMR is designed to provide highly precise timing signals with low phase noise and low jitter, making it ideal for use in wireless networks and sensitive communication applications. The device features an input frequency range of 40 kHz to 600 MHz and an output frequency range up to 962 MHz. The device’s frequency accuracy is specified at +/-75 ppm, while the Jitter Cyclical Linked (JCLK) is specified at 3 ps. It can operate over an operating temperature range of -55°C to +105°C.

The SI5324A-C-GMR operates using a multi-modulus PLL architecture with two temperature-controlled voltage-controlled oscillators (TCVCXOs). This architecture enables the device to generate a precise output signal with a very low EMI figure of merit. It also allows for a wide range of input frequencies and fast frequency switching.

The SI5324A-C-GMR is designed for operation in a number of different modes. In Clock mode, it can be used to generate a high-precision clock signal. The device has a built-in temperature compensation circuit to compensate for frequency drifts due to temperature changes. In Holdover mode, the device can be used to maintain a precise frequency in the event of an external reference clock failure.

In Spread Spectrum mode, the SI5324A-C-GMR can spread its frequency over an adjustable range, reducing the amount of radiated EMI in the range. It can also be used in Frequency Hopping mode, where the output frequency is changed in a predefined manner to reduce susceptibility to interference.

The SI5324A-C-GMR also features an adjustable FAY, or Fast Acquisition/Yield. This feature enables the device to quickly re-tune to a different frequency in a short amount of time. This is especially useful when the device is used for frequency hopping applications.

In addition, the SI5324A-C-GMR has an integrated interpolation block, which enables it to generate a higher resolution output signal. This feature allows for finer frequency control and increased precision.

Overall, the SI5324A-C-GMR is an excellent clock/timing device for use in time-sensitive applications such as networking and communication. Its wide range of features and precision make it an ideal choice for use in a variety of clock/timing applications. Its adjustable parameters and wide range of modes make it well-suited for a variety of application areas.

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