FN4000157

Series:	SaRonix-eCera™ FN
Packaging:	Bulk
Part Status:	Active
Base Resonator:	Crystal
Type:	XO (Standard)
Frequency:	40MHz
Function:	Enable/Disable
Output:	CMOS
Voltage - Supply:	3.3V
Frequency Stability:	±50ppm
Operating Temperature:	-20°C ~ 70°C
Current - Supply (Max):	25mA
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SMD, No Lead
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height - Seated (Max):	0.071" (1.80mm)
Current - Supply (Disable) (Max):	100µA

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Oscillators: FN4000157 Application Field and Working Principle

Oscillators are electronic circuits that generate a repetitive alternating signal, unlike a DC signal which has a single magnitude. These electronic signals are widely used for a variety of applications in popular fields such as embedded systems, video and audio testing, high-frequency communication, wireless communications, aerospace, and defense. One particular oscillator in the series of devices, the FN4000157, is a CMOS-based device with a wide array of applications. This article aims to discuss the fields and applications of the FN4000157, as well as provide an overview of its operating principles.The FN4000157 has been designed for applications requiring very low power and low voltage operation. As a CMOS-based device, it offers superior performance, robustness, and stability compared to the more expensive and bulky AC types. It is able to generate accurate and repeatable frequencies from 4kHz to 20MHz with the highest accuracy achievable at the 10MHz point. This versatility allows it to be used for a wide range of applications such as frequency synthesis, signal modulation, vibration control, timing, etc. The device can be used in communications systems, radar systems, industrial process control devices, medical imaging devices, and more.The FN4000157 operating principle is based on the following design concept. It uses a phase-locked loop (PLL) to create a stable oscillator signal with a fixed frequency that is locked in to the input frequency. The PLL consists of two main components; the voltage controlled oscillator (VCO) and the phase frequency detector/divider (PFD/D). The VCO is used to generate the output signal with a range of 4kHz to 20MHz. The PFD/D is used to compare the input frequency and the VCO frequency and adjust the VCO output frequency until it matches the input frequency. The output of the PFD/D is then used to adjust the VCO frequency until the two frequencies match, thus producing a stable output signal with the desired frequency.The FN4000157 benefits from its low power and low voltage operation to produce a very low-noise output signal, allowing it to be used in high-rejection noise applications. This device also has the ability to be adjusted for temperature variations, providing a very stable output signal no matter what environmental conditions exist. In addition, the FN4000157 is designed to operate in a wide range of voltages, from 2.7V to 5.5V, and it is compatible with most CMOS and TTL logic components.In conclusion, the FN4000157 is an ideal solution for low power and low voltage applications. It offers superior performance, stability and accuracy, as well as reduced noise compared to other oscillators. This device is used in popular fields such as embedded systems, telecommunications, industrial process control, medical imaging, and many others. Lastly, it works using a PLL with a VCO and PFD/D to accurately adjust the output frequency to match the input frequency, producing a stable and accurate output signal.

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