Operating Instructions

Output frequency provided on SMA connector (J17) and J4_IO12.

LEDs indicate the editing mode.

= Edit cursor position mode

= Edit digit value mode

Press and release knob to toggle between frequency editing modes

Edit cursor position mode

In this mode rotating the knob to the left or right will cause the display cursor to move in the corresponding direction on the upper line of the display. Use this mode to position the cursor below the digit you wish to adjust and then press and release the knob to change mode. The cursor automatically skips past the decimal point and space separator and hits ‘end stops’ if you over rotate the knob.

The cursor can be moved into the 10MHz and 100MHz digit positions but these positions are blanked when zero.

The cursor is the small black line under the digit in the top line.

Edit digit value mode

In this mode rotating the knob to the left or right will decrement or increment the value of the digit located at the cursor position. The controller will automatically borrow from, or carry to, the more significant digits to the left of the digit being adjusted. Every adjustment will immediately result in the corresponding frequency change at the output which is also reflected by the changes to the computed DDS control values on the lower line of the display. Press and release the knob to revert to cursor position mode when complete.

Frequency Generator for the Spartan-3E Starter Kit 4

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Xilinx Frequency Generator manual Operating Instructions, Edit cursor position mode, Edit digit value mode
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Frequency Generator specifications

The Xilinx Frequency Generator is a versatile and robust solution designed for a variety of applications requiring precise frequency generation and control. This device capitalizes on Xilinx's proven technology in programmable logic, enabling engineers to implement custom frequency generation schemes tailored to specific application needs.

One of the main features of the Xilinx Frequency Generator is its flexible frequency range. It supports a wide spectrum of frequencies, making it suitable for applications in telecommunications, aerospace, automotive, and industrial automation. The ability to generate frequencies from kilohertz to gigahertz opens up possibilities for diverse scenarios, such as clock generation, signal synthesis, and modulation tasks.

Another significant characteristic of this frequency generator is its programmability. Leveraging Xilinx's FPGA architecture, users can easily configure and program the frequency generator to meet changing requirements. This programmability allows for rapid prototyping and design iterations, enabling engineers to achieve optimal configurations with minimal downtime.

The device also employs advanced phase-locked loop (PLL) technology, ensuring excellent stability and low phase noise. PLLs enable the generation of output frequencies that are phase-coherent with an input signal, which is critical for applications requiring precise synchronization. This feature is especially beneficial in communication systems, where accurate timing and frequency stability are essential.

Furthermore, the Xilinx Frequency Generator supports multiple output formats, including sinusoidal, square, and triangle waves. This versatility in signal output enhances its usability across different applications, allowing for easy integration into existing systems.

Another innovative aspect of this frequency generator is its integration with Xilinx's software tools, such as Vivado and ISE. These tools facilitate the design, simulation, and implementation of frequency generation strategies, enhancing productivity and ensuring robustness in design processes.

In addition, the frequency generator's power efficiency is noteworthy. By employing cutting-edge low-power design techniques, it reduces energy consumption without compromising performance, making it an ideal choice for battery-powered or energy-sensitive applications.

All in all, the Xilinx Frequency Generator exemplifies cutting-edge technology in frequency generation, offering flexible configuration, excellent stability, and user-friendly integration, making it a compelling choice for engineers across various industries seeking a reliable frequency generation solution.
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