ECX-P27CM-155.520

Frequency Stability:	±25ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.067" (1.70mm)
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):	50mA
Operating Temperature:	-20°C ~ 70°C
Series:	ECSpressCON™ ECX-P
Voltage - Supply:	2.5V
Output:	LVPECL
Function:	Enable/Disable
Frequency:	155.52MHz
Type:	XO (Standard)
Part Status:	Active
Packaging:	Bulk

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Oscillators: ECX-P27CM-155.520 Application Field and Working Principle

Introduction

An oscillator is an electronic component that produces a repetitive electrical signal. Oscillators are essential components for many electronic devices and circuits. They are widely used in communications, control systems, automation, and computer systems. In this article, we will discuss the application field and working principle of one type of oscillator, the ECX-P27CM-155.520.Application Field of ECX-P27CM-155.520The ECX-P27CM-155.520 is a temperature compensated crystal oscillator (TCXO). It is a quartz oscillator that is used in frequency control and timing applications. These include telecom infrastructure, wireless devices, automotive systems, global navigation satellite systems (GNSS), and precision instrumentation.The ECX-P27CM-155.520 features a frequency stability of 10 ppm across the operating temperature range of -50°C to +105°C. It has an ultra-low power consumption of 2 mW and a top-side adjustment range of +/-4 ppm. Its linearity is ±1 ppm over -50°C to +105°C.Working Principle of ECX-P27CM-155.520The working principle of the ECX-P27CM-155.520 oscillator is based on the vibrational properties of quartz. Quartz is a piezoelectric material, which means that when it is exposed to an electric field, it vibrates at a specific frequency. When it is exposed to a mechanical force, it produces an electrical signal.The ECX-P27CM-155.520 oscillator uses a quartz crystal to generate an electrical signal at its resonant frequency. The resonant frequency is determined by the physical characteristics of the quartz, including its size and shape. The quartz crystal is mounted to a printed circuit board (PCB), along with other components, including an oscillator circuit, an ASIC, and a temperature compensation circuit.The oscillator circuit generates a periodic electrical signal, which is applied to the quartz crystal. The quartz crystal then vibrates at its resonant frequency and produces an output signal. This output signal is amplified by the ASIC and fed back to the oscillator circuit.The temperature compensation circuit detects changes in temperature and compensates for them by adjusting the frequency of the oscillator. This ensures the stability of the oscillator frequency over a wide range of temperatures.ConclusionThe ECX-P27CM-155.520 is a temperature compensated crystal oscillator that is used in frequency control and timing applications. It has a frequency stability of 10 ppm across the operating temperature range of -50°C to +105°C and an ultra-low power consumption. The working principle of this oscillator is based on the vibrational properties of quartz. The temperature compensation circuit ensures the stability of the oscillator frequency over a wide range of temperatures.

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