ECX-H27CM-20.000

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):	40mA
Operating Temperature:	-20°C ~ 70°C
Series:	ECSpressCON™ ECX-H
Voltage - Supply:	2.5V
Output:	HCMOS
Function:	Enable/Disable
Frequency:	20MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Bulk

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Oscillators

ECX-H27CM-20.000 Application Field and Working Principle

Oscillators are widely used in a variety of applications to generate a periodic waveform, usually requiring accuracy in terms of frequency and amplitude. Oscillators have been classified in various ways, but one of the most common categorizations is that of voltage-controlled oscillators (VCOs), LC oscillators, and crystal oscillators. Crystal oscillators are often used in both frequency reference and frequency synthesis applications due to their high accuracy and stability.The ECX-H27CM-20.000 Chemi-con Oscillator is one of the most popular types of crystal oscillators. It is a quartz-crystal resonator that utilizes surface mounting technology and is designed for automotive applications. This oscillator features low-power consumption, high-frequency stability, and excellent temperature characteristics.The ECX-H27CM-20.000 has a variety of potential application fields, including motor vehicle communication systems, cellular communication systems, navigation systems, small power audio systems, control systems, and other automotive applications. Oscillators are typically used in these applications to provide signals at precise frequencies or as reference frequencies for systems that must switch quickly, such as to alternate between frequencies.The oscillator can be used as a frequency source for Pulse Width Modulation (PWM). The PWM technique is commonly used in motor and switching power controllers to vary the output voltage waveforms by modulating the pulse duration. This type of oscillator is also well suited for use as a reference clock in frequency division multiplexing systems.The ECX-H27CM-20.000 oscillator is an especially reliable piece of equipment due to its excellent temperature characteristics. Its wide frequency range helps ensure a stable frequency even under varying temperatures. The oscillator has an Allowable Frequency Range of ± 50ppm and a Temperature Range of -40°C to +85°C.The working principle of the ECX-H27CM-20.000 oscillator is simple. The quartz crystal is encapsulated in a miniaturized package and connected to a circuit board. The circuit board is then connected to two electrical windings, which create an alternating current when an external voltage is applied. The quartz crystal acts as a tuned circuit, meaning that it oscillates continuously. The frequency of the oscillations is determined by the crystal\'s dimensions, and it depends on the applied voltage, making the oscillator voltage-dependent. The frequency of the oscillations remains nearly constant over a wide range of temperatures and supply voltages.The ECX-H27CM-20.000 oscillator is a reliable and highly accurate solution for a wide range of automotive applications. Its low-power consumption, excellent temperature characteristics, and wide frequency range make it a great choice for a variety of configurations.

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