ECS-8FM-035-TR

Frequency Stability:	±200ppm
Current - Supply (Disable) (Max):	--
Height - Seated (Max):	0.185" (4.70mm)
Size / Dimension:	0.551" L x 0.341" W (14.00mm x 8.65mm)
Package / Case:	4-SOJ, 5.08mm pitch
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	23mA
Operating Temperature:	-40°C ~ 85°C
Series:	ECS-8F
Voltage - Supply:	5V
Output:	CMOS, TTL
Function:	Enable/Disable
Frequency:	3.579545MHz
Type:	XO (Standard)
Base Resonator:	Crystal
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ECS-8FM-035-TR Oscillator Application Field and Working Principle

Oscillators are electrical oscillator circuits that produce a periodic, oscillating signal. They are an essential component in a wide variety of electronic applications, from the transistors of a radio to the tiny quartz crystals found in modern smartphones. The ECS-8FM-035-TR oscillator is a particular type of oscillator circuit designed for digital systems, and its application field and working principle will be discussed here.

Application Field

The main application of an ECS-8FM-035-TR oscillator is digital signal processing in digital systems, such as microcontrollers and data acquisition systems. It can be used to create a stable and accurate signal for these systems, providing a reliable and accurate source for all the digital processing. It is also used in applications that require stable and consistent performance from the oscillator source, such as clock distribution, PLLs and PLL/DLL interfaces, frequency and phase modulation, and video synchronization. The ECS-8FM-035-TR oscillator is also suitable for use as a resonator in RF applications, such as cellular transceivers. It is also capable of being used as a low-voltage regulator in radio receivers and as a dither source in clock and data recovery operations.

Working Principle

The ECS-8FM-035-TR oscillator is a CMOS-based oscillator that is powered by a single 2.2V supply voltage. It consists of an on-chip oscillator core, an on-chip bias circuit, and an on-chip crystal load capacitance. The oscillator core includes a phase frequency/detector (PFD) and a delta-sigma modulator (Delta-Sigma DS). The PFD ensures that the output frequency is proportional to the control voltage applied to the oscillator core. The Delta-Sigma DS provides the necessary control of the crystal to ensure the output frequency is accurate. The load capacitance of the on-chip crystal is used to adjust the oscillator’s output frequency. By adjusting the amount of load capacitance, the output frequency can be easily adjusted without changing the crystal. The on-chip bias circuit provides the necessary power supply and bias conditions for the oscillator core. The ECS-8FM-035-TR oscillator is also equipped with an integrated startup circuit, which helps to reduce the startup time of the oscillator by applying a slowly increasing voltage to the crystal. This helps to reduce the risk of damage to the crystal due to overshoot.

Conclusion

The ECS-8FM-035-TR oscillator is a CMOS-based oscillator designed for digital processing and RF applications. It consists of an oscillator core, a bias circuit, and an on-chip crystal load capacitance. It offers great performance and can easily be adjusted without changing the crystal. Its integrated startup circuit helps to reduce the startup time of the oscillator and provides reliable operation.

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