7M-37.400MEEJ-T

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Crystals have a myriad of different and unique applications, such as the 7M-37.400MEEJ-T. Crystals, also known as piezoelectric crystals, are used for the purpose of frequency determining and selecting in the course of their work. They are used in the structure of oscillators, and their characteristics determine the frequency at which an oscillator can effectively oscillate. These crystals have a wide range of uses, including transmitting and receiving radio signals, controlling the speed drive of machinery, and providing consistent and accurate reference frequencies. In this article, we will look at the application field and working principle of the 7M-37.400MEEJ-T crystal.

The 7M-37.400MEEJ-T crystal is a device specifically designed for application in base stations, land mobile radios, and repeaters. The crystal is designed to provide a highly stable frequency control with a exceptionally low phase noise and wide tuning range, which makes it a versatile choice for many applications. This crystal is capable of operating from a frequency range of 37.4 to 39.8 MHz, with a good frequency stability of +/- 5 parts per million. The 7M-37.400MEEJ-T crystal also boasts a low phase noise of -170dBc/Hz at 10 kHz offset.

The 7M-37.400MEEJ-T crystal works via the piezoelectric effect, which is the phenomenon of electricity being produced by mechanical deformation, applied pressure or vibration. In essence, this is the same process by which the sound waves in a loudspeaker are created. When a voltage is applied to a thin slice of quartz it becomes electrically charged, and if the electrical polarization of the quartz is changed then an electric current is created. It is this phenomenon that is used to create resonator piezoelectric crystals.

At the most basic level, the 7M-37.400MEEJ-T crystal is composed of two thin slices of quartz placed in a metal casing. The two slices are positioned so that their polarities are reversed, so when an AC electrical signal is applied to the two slices, their axes oscillate in opposite directions. When the two slices oscillate their vibrations interact with each other to create an interference pattern which results in a mechanical vibration at a certain frequency. This is the resonant frequency of the crystal.

The 7M-37.400MEEJ-T crystal can be used to provide highly accurate frequency control in oscillators, as the electrical current passing through it causes the quartz to vibrate at the resonant frequency. As such, the crystal can be tuned to provide a highly accurate and constant frequency. This is an important quality in applications such as base stations, land mobile radios, and repeaters, where frequency control is essential. This is also the reason why this particular crystal is the preferred choice in such applications, due to its low phase noise, wide tuning range and excellent frequency stability.

In conclusion, the 7M-37.400MEEJ-T crystal is a device specifically designed for application in base stations, land mobile radios, and repeaters. It works via the piezoelectric effect, and is comprised of two thin slices of quartz located in a metal case. When an AC electrical signal is applied, the two slices oscillate in opposite directions and create a mechanical vibration at the resonant frequency. This frequency can be used in oscillators to provide highly accurate frequency control, making it an invaluable device for many applications requiring precise frequency control.

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