SIT3809AI-C-25NY

Programmable oscillators have become increasingly popular in the electronic engineering industry due to their flexibility, accuracy, and long-term stability. In particular, the Sit3809AI-C-25NY Programmable Oscillator is an ideal choice for a variety of applications, providing excellent performance with a wide range of output frequencies. This article will provide an overview of the application field and working principle of the Sit3809AI-C-25NY programmable oscillator.

The Sit3809AI-C-25NY programmable oscillator is an industrial grade temperature compensated crystal oscillator (TCXO). It is designed to provide reliable and stable frequency output in a broad range of operating conditions. The Sit3809AI-C-25NY has a maximum frequency of 25MHz and is capable of outputting 0.9V p-p sine or square wave outputs. Furthermore, it has a standard operating temperature range of –20 to +85C, which makes it suitable for a variety of industrial applications.

The Sit3809AI-C-25NY Programmable Oscillator is built with a PLL circuit that allows for frequency adjustment from 2 KHz to 25 MHz. It has an integrated programmable EEPROM for frequency programming and trimming, which allows for a variety of user-defined output frequencies, making it suitable for use in a wide range of applications. It also has an internal temperature sensing diode which provides temperature compensation, allowing the oscillator to maintain a high degree of accuracy over a broad temperature range.

When it comes to its application field, the Sit3809AI-C-25NY Programmable Oscillator can be used in a variety of industrial, commercial and consumer applications. In the industrial sector, it is typically used in frequency control, synchronization, timing and other real-time applications. It is also ideal for use in low power RF systems, including cellular infrastructure, remote metering and data acquisition systems. In the consumer sector, it is often used for TV and radio tuners, set-top boxes and digital TVs.

As for the working principle of the Sit3809AI-C-25NY Programmable Oscillator, it utilizes a Phased Locked Loop (PLL) circuit to generate a fixed frequency output as long as a reference signal is supplied. This reference signal is typically supplied by a high-stability crystal. The PLL circuit includes an amplifier and a frequency-dividing circuit that divides the input frequency and permits for precision tuning of the output frequency, which can be programmed or adjusted within a specified range. The temperature sensing diode is then used to correct any variations in frequency caused by temperature changes and the EEPROM stores the frequency settings and trimming data.

In conclusion, the Sit3809AI-C-25NY programmable oscillator is an excellent choice for a wide range of applications. It is designed with a PLL circuit that permits for precise frequency adjustments and an EEPROM that allows for custom frequencies, making it suitable for multiple industrial and consumer applications. Furthermore, it utilizes a temperature sensing diode that provides thermal stability, ensuring a high degree of accuracy over a broad temperature range.