DSC1121CE1-025.0012

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Oscillators are devices designed to generate periodic electrical signals. They are widely used in a variety of applications, from electronic watches, clocks, radios, and audio systems to test and measurement equipment, medical and scientific instruments, and even industrial controls. The DSC1121CE1-025.0012 is an oscillator that offers excellent performance and stability over a wide temperature range.

The device is a medium-power voltage-controlled crystal oscillator (VCXO) designed for general-purpose and low-noise applications. It has an operating frequency range of 25 to 80 MHz, with typical resonator Q values of 72 and basic frequency stability of +/- 50 parts-per-million (PPM). It also features integrated phase-lock loop (PLL) circuitry, allowing for the operation of a wide range of crystal frequencies.

The DSC1121CE1-025.0012 is ideal for use in a variety of applications, including but not limited to communications equipment, test and measurement instrumentation, and audio/video systems, as it provides reliable operation with low power and excellent frequency stability over temperature. It is also well suited for applications where fast acquisition and reliable hold-over performance is required.

The working principle of the device is a combination of oscillator and PLL. The oscillator is a crystalline oscillator that uses a quartz or ceramic resonator to generate a periodic electrical signal with an accurate frequency. The PLL receives the oscillator signal, and phase locks it to a reference signal, resulting in a stable oscillator output signal that stays in sync with the reference. This combined system is inherently stable and provides excellent frequency accuracy and jitter performance.

At the heart of the DSC1121CE1-025.0012 is its monolithic IC, which consists of a crystal oscillator, a voltage-controlled oscillator, and a phase-lock loop circuit. The device provides excellent frequency stability over a wide temperature range thanks to its integrated temperature compensation circuitry.

In addition, the device utilizes a high-quality quartz resonator with an optimization of both fundamental and overtone modes that improves stability and increases overall performance. It also offers low jitter and noise performance, with typical phase-noise of -140dBAc/ Hz at 10kHz offset.

The DSC1121CE1-025.0012 is an ideal solution for stable frequency performance over temperature, with excellent frequency and low jitter performance. Its PLL design ensures reliable operation with fast frequency acquisition and reliable hold-over.

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