HC-49/U-S18516554BBQB

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Crystals are a type of semiconductor component which is commonly used in many different applications. The HC-49/U-S18516554BBQB is one such example of a crystal which is specifically designed for use in RF applications. In this article, we will take a brief look at the application field and working principle of the HC-49/U-S18516554BBQB.The HC-49/U-S18516554BBQB is a quartz crystal-based oscillator module that is specifically designed for use in RF applications. It is capable of generating frequencies from 10 MHz to 200 MHz and features a frequency stability of ±50 ppm over a -20°/-70°C temperature range. The oscillator also has a low power consumption of around 20 mW.The main application fields of the HC-49/U-S18516554BBQB include transmitter and receiver circuits, GPS systems, mobile phones and other wireless communication applications. It is also used in short-range RFID applications.The working principle behind the HC-49/U-S18516554BBQB is based on the piezo-electric effect of quartz. Quartz crystals are made from a piezoelectric material which, when subjected to an electric field, will vibrate at a constant frequency. This frequency is determined by the size and shape of the crystal, which is why it is so important to choose the correct crystal for the required application.In the HC-49/U-S18516554BBQB, the quartz crystal is placed between two metal plates, with one of them taking the form of an electrode. When a voltage is applied to the electrodes, the polarization of the quartz crystal changes and causes it to vibrate at a specific frequency. The frequency generated is then amplified by an integrated circuit and passed to the output, thus providing an oscillating signal.In conclusion, the HC-49/U-S18516554BBQB is a quartz-based oscillator module which is specifically designed for use in RF applications. It is capable of producing frequencies from 10 MHz to 200 MHz with a frequency stability of ±50 ppm and a low power consumption of 20 mW. The main application fields for the HC-49/U-S18516554BBQB include transmitter and receiver circuits, GPS systems, mobile phones and other wireless communication applications, as well as short-range RFID applications. Its working principle is based on the piezoelectric effect of quartz, whereby an electric field applied to a crystal causes it to vibrate at a specific frequency which is then amplified to provide an oscillating signal.

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