CM309S-15.360MABJTR

Series:	CM309S
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	MHz Crystal
Frequency:	15.36MHz
Frequency Stability:	±50ppm
Frequency Tolerance:	±30ppm
Load Capacitance:	18pF
ESR (Equivalent Series Resistance):	50 Ohms
Operating Mode:	Fundamental
Operating Temperature:	-10°C ~ 60°C
Ratings:	--
Mounting Type:	Surface Mount
Package / Case:	4-SOJ, 9.40mm pitch
Size / Dimension:	0.488" L x 0.173" W (12.40mm x 4.40mm)
Height - Seated (Max):	0.146" (3.70mm)

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Crystals: CM309S-15.360MABJTR application field and working principleCrystals are also known as piezoelectric crystals or piezoelectric devices, due to their ability to produce an electric charge when a mechanical force is applied. The piezoelectric effect is the basis of their functioning and is the phenomenon that produces an electromotive force when a piezoelectric material is compressed, stretched, or otherwise subjected to mechanical stress.One of these crystals is CM309S-15.360MABJTR. This crystal is a standard quartz crystal with a maximum frequency of 15.360MHz. It is a cut in the AT-cut frequency, designed for use in radio frequency, television, and other communication systems. It has very low phase noise, great long-term stability, and high Q-factor, which makes it suitable for numerous applications.In terms of its application field, the CM309S-15.360MABJTR crystal can be employed in various communication systems to aid in the transmission of information from one point to another. Examples include radio transmission, television transmission, satellite communication, and military communication systems. This crystal can also find its application in signal generation, frequency control, signal transmission, and for the synchronization of certain digital devices.Working principle of the CM309S-15.360MABJTR crystal is based on the piezoelectric effect. Basically, the crystal converts an electrical signal into an oscillating mechanical vibration. Due to the crystal structure, these vibrations have a fixed frequency, which is determined by the cut of the crystal. The electric signal is usually a sine wave, which through the mechanical vibrations then creates a corresponding sine wave at the selected frequency. This signal is then used directly or in combination with other elements in order to create a signal of desired characteristics.Also, the crystal oscillator is equipped with several additional elements, depending on its use. One of them is a capacitor or a tank circuit, which is necessary in order to maintain the oscillation and to set the desired frequency. Another is a feedback loop, which provides the necessary feedback signal in order to keep the output signal synchronized with the input signal. Although these elements are used to improve the performance of the crystal, the main working principle is based on the piezoelectric effect. When a voltage is applied across a quartz crystal, it deforms, producing mechanical strain on the crystal. This mechanical strain produces an internal electric field across the crystal, which then creates a current. When the mechanical strain is relieved, the electric field reverses, creating an opposite current, thus producing an oscillating effect.This oscillating effect is used to vibrate the crystal at a constant frequency, which is determined by the cut of the crystal. This frequency can then be used for numerous applications, such as signal transmission, radio transmission, television transmission, etc. By adding the necessary components to the crystal oscillator, the crystal can be used for frequency control, signal generation, and synchronization of digital devices.Thus, CM309S-15.360MABJTR is an AT-cut quartz crystal that is used in various communication systems and digital devices. Its frequency can be set by adding a tank or capacitor to the system, and its performance can be further improved by adding a feedback loop. Its working principle is based on the piezoelectric effect and its purpose is to produce oscillations of a fixed frequency.

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