SIT9005ACB2G-28EN

Programmable oscillators generally refer to a type of oscillator which is user-configurable, thus enabling the device to be programmed to provide reliable, high-accuracy frequency control and extremely low-jitter outputs in a range of applications. As an example of such oscillators, SIT9005ACB2G-28EN is a fan-out VCXO with 5 outputs. This application note discusses the field applications and working principle of the SIT9005ACB2G-28EN component.

SIT9005ACB2G-28EN Application Field

The SIT9005ACB2G-28EN is intended for a wide variety of applications in the frequency and time control of digital systems. This component is commonly used in a number of embedded systems and applications such as test and measurement equipment, network routing and switching equipment, automotive onboard radar systems, and avionic control systems. The component is also used in telecommunications, storage, and various military applications.

In addition, the component is also suitable for use in embedded systems as well as in other industrial applications where precise frequency control is required. The component is able to maintain its programming voltage between 0 and 5V, allowing it to achieve a frequency tuning range of 0 to ± 200ppm with a single ± 0.5V tuning voltage.

SIT9005ACB2G-28EN Working Principle

The SIT9005ACB2G-28EN utilizes a single-ended patterned-strain-diode voltage-controlled oscillator (VCO) core, which is statically programmed using 6 pins on the component – FCLK0 through FCLK5. The component operates from a 5V single-ended power supply, and has a voltage-controlled tuning range of 0 to ± 200ppm. The component provides low-jitter outputs across a range of different frequencies, from 1kHz to 50MHz.

The component also supports frequency multiplication, where a higher frequency output can be achieved by programming the component to output a lower frequency. Additionally, the component has the ability to switch from one frequency to another, allowing for seamless frequency switching when required.

In terms of output quality, the component provides very low jitter performance. Specifically, it offers a typical jitter of 1.2ps peak-to-peak and a maximum jitter of 2.3ps peak-to-peak. These performance characteristics are perfect for applications requiring precision and low-noise frequency control.

Overall, the SIT9005ACB2G-28EN is a highly reliable programmable oscillator capable of providing a wide range of frequencies at very low jitter performance. It is suitable for applications requiring frequency and time control in embedded, industrial, and military applications. This component also offers frequency multiplication, clocking flexibility, and seamlessly frequency switching to suit all types of usage scenarios.