DSC1122CI1-156.2500

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Oscillators are circuits that generate periodic electrical signals without having to rely on an external source of energy. They convert stored mechanical or electrical energy into periodic electrical signals. One type of oscillator, the DSC1122CI1-156.2500, is an integrated oscillator designed to generate a precise, digitally synthesized signal of high stability. It can be used in a variety of applications ranging from telecommunications and military/aerospace systems to medical, consumer, and automotive electronics.

The DSC1122CI1-156.2500 is an ultra-low-noise oscillator that uses Phase-Locked-Loop (PLL) technology. The circuit’s digital frequency synthesizer is programmable via the I2C bus interface. It can generate output frequencies up to 156.2500 MHz and has built-in spread-spectrum frequency modulation (FM) to reduce radiated electromagnetic interference (EMI). The device is also equipped with two programmable outputs for loop filter/reference and a dedicated reference enable/disable pin.

The DSC1122CI1-156.2500 integrates a temperature-stable, high-performance VCO, a programmable frequency dividers, and a release detector circuit. The oscillator is designed to offer programmable low jitter, low area, and low-power operation. The device can operate from a single 3.3V supply and integrates a 4×4 temperature-compensated VCO core along with 50 ppm/°C, ±5 ppm/°C, ±15 ppm/°C and ±25 ppm/°C temperature control that can be selected by the user at end of production.

The DSC1122CI1-156.2500 has a programmable oscillator frequency range from 12 KHz to 156.25 MHz, with a resolution of 1KHz. It provides a 330 Hz to 1.5 MHz reference frequency range, with a selectable reference frequency accuracy of ±1%, ±2%, ±5% and ±10%. It also provides a 3-state spread spectrum frequency modulation, with up to 0-5% tone shift for the modulation frequency.

Overall, the DSC1122CI1-156.2500 oscillator is an ideal choice for design projects that require a highly stable frequency source. It is suitable for a range of applications such as telecommunications and military/aerospace systems, medical, consumer, and automotive electronics.

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