DSC1121NI2-018.4320

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Oscillators are an important part of understanding and maintaining signal integrity in many electronic devices. The DSC1121NI2-018.4320 oscillator is a high-performance voltage-controlled crystal oscillator (VCXO) designed to provide good phase-noise performance and very wide tuning range. The device is available in a 7-pin ceramic package and can provide clock frequencies from 1kHz to 20MHz.

The VCXO operates using an external voltage to control the frequency of the clock output. The design of the device allows for a wide tuning range of 0.2 to 1.2 volts. The operating range of the DSC1121NI2-018.4320 is from 550mV to 1200mV. This design offers better signal integrity when operating in noisy environments and for high-speed applications.

The device can provide various output levels. Typical outputs are 1.5VP-P, 2.0VP-P, 2.5VP-P and 3.3VP-P. These levels allow for digital logic signal requirements, along with LVDS and CMOS outputs. At the low end of the range, the device can supply clock signals at 1kHz. It then progresses to 20MHz, which is the highest frequency it reaches.

The main application field of the DSC1121NI2-018.4320 is in communications systems. It is used as a replacement clock source for systems operating in TDMA (Time Division Multiple Access) and is also used in direct sequence spread-spectrum communications. It is also used in CDMA (Code Division Multiple Access) systems, as the requirements are more stringent for such systems and require greater signal integrity. It is also used in Ethernet networks.

The working principle of the DSC1121NI2-018.4320 is based on the use of crystal oscillators, which are connected to the VCXO’s control voltages. A voltage is applied to the crystal oscillator which, in turn, generates the clock frequency. This voltage is controlled by the VCXO, allowing for tuning the clock frequency. The device uses a feed-forward design, which decreases phase-noise and eliminates false signals.

The DSC1121NI2-018.4320 is an ideal voltage-controlled clock source for systems operating over a wide frequency range. It has good phase-noise performance and offers wide tuning range, providing signal integrity for high-speed applications. The device can provide clock frequencies from 1kHz to 20MHz, offering different output levels for digital logic, LVDS and CMOS applications. Various communication systems, such as TDMA and CDMA networks, make use of this device as it is an ideal clock source and provides excellent signal integrity.

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