4HF212500Z4BACXGI

Oscillators

An oscillator, in electronics, is a linear or non-linear electronic circuit that produces a periodic electrical signal, or oscillations. It can be used to generate a range of frequencies, from low frequency sine waves to sophisticated pulse waves. Oscillators can be used to produce high frequency signals, needed for radio transmission and electrical timing signals, as well as sound generators.

The 4HF212500Z4BACXGI is a low power, low external-component sine-wave oscillator designed to be used in applications that require both high frequency and low power, such as Wi-Fi applications and portable electronic devices. This oscillator is a member of the 4-5GHz family of oscillators, and benefits from built-in features such as self-calibration and low frequency stability.

Application Field

The 4HF212500Z4BACXGI oscillator is designed for use in consumer wireless communications applications, such as Wi-Fi, Bluetooth, and cellular phone. It can also be used in low-power, high-performance applications that require exact timing, such as in a clock and data recovery circuit. Additionally, it is suitable for applications that require a wide frequency range, such as continuous-wave radar, or in a digital signal processor that requires precise timing synchronization.

Working Principle

The 4HF212500Z4BACXGI oscillator operates using a low-power Colpitts architecture and combining a programmable voltage-controlled oscillator (VCO) and a temperature compensated crystal oscillator (TCXO). The oscillator’s operation is based on the Colpitts oscillator principle, which uses two self-discharging capacitors for oscillation. This configuration allows for exact frequency control and stability over a wide range of temperatures.

The 4HF212500Z4BACXGI oscillator offers essential features for wireless applications. It is a low-cost, extremely stable, reliable, and economical solution designed for easy integration into most modern wireless communications systems. This oscillator also offers high frequency and low-power consumption, making it ideal for a variety of consumer and industrial applications.