PL500-17TI

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The PL500-17TI, a frequency synthesizer, is a highly versatile unit capable of generating stable frequency signals over a wide frequency range. It can be used in a number of applications, including but not limited to, telecommunications, broadcast and satellite transmission. This article will explore the application field and working principle of the PL500-17TI.

Applications

The PL500-17TI has wide range of application fields and it is a solidly performing frequency synthesizer. It can be used in a variety of applications such as broadcast and transmission, digital signal processing, PC memory timing and various digital distribution systems. Due to its versatile design, the PL500-17TI can also be used in any application where stable frequency signals with low RF noise levels and low spurious signals are required.

The PL500-17TI is also suitable for applications such as satellite tracking, telecommunications, signal distribution and timing, broadcast systems, radar and navigational equipment, signal simulation, signal transmission, and many others. Its versatile design and high performance capabilities make it an ideal choice for these applications.

Working Principle

The PL500-17TI is a frequency synthesizer, meaning it is a device that generates stable frequency signals over predefined ranges. By changing the frequency setting at the input, the synthesizer then creates a predetermined range of output frequencies. To achieve this result, the synthesizer uses a reference oscillator, which is used to convert the input signal into a fixed frequency. This frequency is then modulated with a frequency switching signal and passed through a phase locked loop (PLL). The output from the PLL is a periodic frequency division of the reference signal. The final output consists of multiple frequency components, enabling the device to generate a range of frequencies.

The PL500-17TI also contains a digital frequency synthesis (DFS) circuit, which is used to control frequency resolution, accuracy and stability. The DFS circuit uses a digital oscillator and an analog loop filter to control the output frequencies. The oscillator creates a stable reference signal, which is then modulated by the frequency switching signal and passed through the PLL. This creates a periodic division of the reference signal, resulting in multiple frequency components.

The PLL consists of a voltage controlled oscillator (VCO) as well as a phase detector. The voltage controlled oscillator creates an output signal whose frequency is proportional to the input signal, while the phase detector compares the phase between the two signals and adjusts the output frequency accordingly. The phase locked loop is fed back to the VCO, allowing it to continuously adjust its output frequency to match the input signal. The output from the PLL is then used to control the DFS circuit.

The PL500-17TI uses a combination of these technologies to provide highly accurate and stable frequency signals over a wide frequency range. The digital frequency synthesis circuit is also designed to automatically compensate for temperature and environmental changes, ensuring that the output frequencies remain constant at all times. This makes the PL500-17TI an ideal choice for applications that require reliable, high performance frequency generating devices.

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