550GC125M000DG Allicdata Electronics
Allicdata Part #:

550GC125M000DG-ND

Manufacturer Part#:

550GC125M000DG

Price: $ 6.52
Product Category:

Crystals, Oscillators, Resonators

Manufacturer: Silicon Labs
Short Description: VCXO; DIFF/SE; SINGLE FREQ; 10-1
More Detail: 125MHz VCXO CMOS Oscillator 2.5V Enable/Disable 6-...
DataSheet: 550GC125M000DG datasheet550GC125M000DG Datasheet/PDF
Quantity: 1000
50 +: $ 5.93044
Stock 1000Can Ship Immediately
$ 6.52
Specifications
Absolute Pull Range (APR): ±125ppm
Current - Supply (Disable) (Max): 75mA
Height - Seated (Max): 0.071" (1.80mm)
Size / Dimension: 0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case: 6-SMD, No Lead
Mounting Type: Surface Mount
Ratings: --
Current - Supply (Max): 98mA
Operating Temperature: -40°C ~ 85°C
Series: Si550
Frequency Stability: ±50ppm
Voltage - Supply: 2.5V
Output: CMOS
Function: Enable/Disable
Frequency: 125MHz
Type: VCXO
Part Status: Active
Packaging: Strip
Description

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Oscillators are electronic circuits which convert direct current (DC) Voltage or currents into AC signals at the desired frequency and amplitude. The 550GC125M000DG is an example of an oscillator specifically designed for frequency stability and performance. Its application fields and working principles are explored in this discussion.

Application Fields

The 550GC125M000DG is primarily used in the telecommunications industry where frequency stability is of utmost importance. The oscillator is optimized for use with aerial and ground communication networks to provide precision timing and clocking for cellular telephone networks, satellite links, Time Division Multiplexing (TDM) systems, and other communications applications. In addition to its use in telecoms, the oscillator is also applied to other ultra-stable, precision systems such as in research and instrumentation. In corporate offices, the 550GC125M000DG may be used for high-contrast photocopying and in broadcasting and radio applications.

Working Principle

The 550GC125M000DG is a quartz crystal oscillator, powered by a quartz crystal resonator that produces a steady oscillation frequency. This crystal is exposed to an alternating electrical voltage which causes mechanical deformation. This deformation results in a change in capacitance of the quartz crystal, which provides a precise control of the circuit\'s output frequency. The circuit is composed of two parts, an input signal source and an output signal generator. The input signal source, typically a tap voltage, is applied to the quartz crystal, but can also be a voltage-controlled oscillator (VCO) input. The output signal generator produces a signal output which is synchronized to the input signal. The frequency generated by the quartz crystal is determined by the mechanical characteristics of the crystal and the electrical parameters of the circuit.

The internal circuitry of the 550GC125M000DG includes an amplifier, a frequency divider, a reference frequency input, and a voltage regulator. The amplifier is the main signal conditioning circuitry that amplifies the input signal to a level that can be processed by the other components. The frequency divider reduces the input signal frequency by a predetermined frequency ratio to provide additional control of the output frequency. The reference frequency input provides a DC voltage input and the voltage regulator provides a constant DC voltage. These components along with other resistance and capacitance components allow for the crystal to produce a desired frequency.

The 550GC125M000DG offers one of the highest stability oscillators available. It provides a high level of frequency accuracy and stability, long-term reliability, and low power consumption. This oscillator is a great choice for applications where reliable frequency stability is necessary.

The specific data is subject to PDF, and the above content is for reference

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