8Z-20.500MDDV-T

Crystals: 8Z-20.500MDDV-T Application Field and Working Principle

Crystals are a type of miniaturized device used in radios and other electronic devices to allow them to operate at a certain frequency. Crystals are used in various applications and there are a number of types available. Among them is 8Z-20.500MDDV-T, which is a temperature compensated crystal oscillator (TCXO). This type of crystal is used in high precision applications and is used as a Voltage Controlled Crystal Oscillator (VCXO).

The 8Z-20.500MDDV-T crystal is a TCXO that is used primarily in wireless communication and telecommunications applications. It is a high-precision oscillator with a frequency range of 20.500 MHz to 20.700 MHz. The crystal is designed for use in mobile radio applications and its frequency stability is superior compared to other similarly constructed crystals.

The 8Z-20.500MDDV-T is designed with a temperature compensating structure, which allows the crystal to maintain frequency stability over temperature variations. The frequency of the crystal is adjusted using a voltage control circuit that controls the frequency of the crystal by varying the capacitance applied to the crystal. The circuit allows the crystal to operate over different temperature ranges without causing any frequency errors.

In addition to its temperature compensating structure, the 8Z-20.500MDDV-T is designed with a low jitter characteristic, which helps to reduce noise in the radio applications in which it is used. The crystal is also designed to operate in a wide temperature range, from -30°C to +85°C, making it perfect for temperature sensitive applications such as automotive, instrumentation, and medical tracking applications.

When it comes to its performance, the 8Z-20.500MDDV-T performs quite well. It has a high output level of 7dBm with a low harmonic distortion of -47dBc/Hz, which means that the crystal is able to produce a clean, low-noise signal. The crystal oscillator also has a low phase noise of -117 dBc/Hz at 100KHz offset, which is important for applications that require a low jitter signal.

Overall, the 8Z-20.500MDDV-T is a high-precision TCXO designed for a variety of demanding applications. Its temperature compensation structure allows it to retain its frequency stability over temperature, while its low jitter characteristic reduces noise and allows a clean signal. The crystal is also designed to function in a wide temperature range, making it suitable for automotive, instrumentation, and medical tracking applications. With its superior performance and reliable operation, the 8Z-20.500MDDV-T is an ideal choice for wireless communication, telecommunications, and other high-precision applications.