ECX-L27CM-125.000

Oscillators

The ECX-L27CM-125.000 is a crystal oscillator that combines a resonator and an integrated oscillator circuit for excellent temperature stability and low-frequency jitter. The device operates within a wide frequency range of 12/25MHz. It also features a very low phase jitter of 175fs per 12MHz and a very low power consumption of 48uA. The ECX-L27CM-125.000 is ideal for use in frequency-control applications such as cellular phone base stations, PCs, PLLs, PC cards, disk drives, and digital TVs.

Application Field and Working Principle

The ECX-L27CM-125.000 is especially useful for frequency control applications, such as clock generation and data synchronization, as it can offer both steady-state frequency information for digital circuits and precise control of the frequency deviation levels. This makes it suitable for use as a local oscillator in digital radio circuitry, cellular phone base stations, and digital broadcast systems. The circuit consists of two components: the oscillator and the oscillator circuit. The oscillator circuit consists of a quartz crystal and a series of components that regulate current flow and also determine the frequency of oscillation.

The quartz crystal is a mechanically cut slice of quartz and works by converting mechanical vibration into an electrical signal. It works by utilizing the natural piezoelectric effect of quartz crystals. As the crystal vibrates back and forth, it generates a stable frequency signal at the desired frequency. The oscillator circuit then amplifies the signal produced by the crystal and produces a steady-state frequency output. The amplifier is a key part of the oscillator and can be either an operational amplifier or a transistor-based amplifier.

The ECX-L27CM-125.000 has a superior frequency-temperature stability, which means that it can maintain its frequency without any considerable change even over a broad temperature range. This is because its temperature compensation network utilizes a high-performance silicon-based resistor chain, which is optimized for a wide range of temperatures. This feature also helps reduce the effect of aging on the oscillator.

The ECX-L27CM-125.000 also features very low phase jitter, which is the variation in the short-term frequency stability of an oscillator. This helps create a stable signal that is accurately reproducible with a minimum of distortion. This is especially important for applications such as digital radio transmissions, cellular phone base stations, and digital broadcast systems, as it ensures that the signal transmitted is of the highest quality.

The ECX-L27CM-125.000 is a reliable and accurate crystal oscillator that can be used in a variety of frequency control applications. Its superior frequency-temperature stability, low phase jitter, and low power consumption make it an ideal choice for applications ranging from cellular phone base stations to digital TVs.