416F50025ADR

Crystals are commonly used in electronic systems to filter out unwanted frequencies and provide a stable reference frequency for a variety of utilities, including radios and oscilloscopes. The 416F50025ADR is a crystal oscillator building block specifically designed for use in telecommunications, and is an economical switchable solution for both frequency-hopping and static frequency applications.

Applications

The 416F50025ADR is designed for radio-frequency applications, and is ideal for use in power supply and clock circuits for portable telecom equipment. The structure of the oscillator and its switchable frequency options make it a suitable choice for applications requiring frequency switching, such as frequency-hopping applications and synchronization schemes in wireless networks. Additionally, it’s static frequency mode makes it suitable as a reference frequency source in telecom equipment.

Features

The 416F50025ADR is an oscillator building block, consisting of a crystal, oscillator circuit and a switchable frequency divider. It operates at a frequency range of 25MHz to 50MHz and can be switched between two frequencies (nominally 25MHz and 50MHz). The oscillator uses a crystal as its frequency source, which is selected to be appropriate for the range of frequencies being utilised. An external frequency divider can be used to reduce the output frequency to provide a reference clock for frequency-hopping, or static frequency applications. The unit operates in a temperature range of -20°C to +70°C.

Working Principle

The 416F50025ADR is a frequency-switched crystal oscillator. It uses the crystal frequency as its reference frequency, and so has a very high accuracy over temperature. The oscillator is composed of a crystal, oscillator circuit and a switchable frequency divider. The crystal is chosen to be appropriate for the required frequencies. In frequency-hopping applications, the frequency divider output is adjusted to provide the required frequency switch rate. In static frequency applications, the frequency divider output is set to a fixed frequency.

The 416F50025ADR can provide both frequency hopping and static frequency outputs. The frequency output is configured using the frequency switch on the oscillator itself. In frequency hopping applications, the frequency switch is adjusted to switch between two set frequencies every time the frequency hopping signal is received. In static frequency applications, the frequency switch is adjusted to provide a fixed frequency.

Conclusion

The 416F50025ADR is a sector-specific, frequency-switched crystal oscillator that provides economical switching solutions for frequency-hopping and static frequency applications. It can provide both frequency-hopping and static frequency outputs that offer high accuracy over temperature. The 416F50025ADR is an ideal choice for use in telecom power supply and clock circuits.