C3290-4.000

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Oscillators serve a variety of purposes in modern electronics, from powering communications systems to helping control the voltage and current of circuits, and even generating precision timing signals. The C3290-4.000 is a very useful and versatile simulated crystal oscillator which uses several key components to achieve its very accurate oscillation frequency. This article will explain the C3290-4.000\'s application field and working principle in detail.

The C3290-4.000 is able to function between frequencies of 4.000 to 20.000Mhz. It is optimized for a maximum output of 2.0V P-P with an applicable temperature of -40°C - +85°C and a drive capability of ±30mA. The C3290-4.000 is also RoHS and REACH compliant, providing quick-start operation, an extremely low jitter output, and minimal design effort. These features make it ideal for use in a variety of applications, such as digital cellular phones, Wi-Fi and Bluetooth wireless communication, camera modules, wearable devices, and devices that use the USB3.x interface.

The C3290-4.000\'s working principle is based on a grounded-capacitor structure. It is configured with a signal combination of a series resonant circuit composed of an inductor and variable capacitor, and a quadratic (R,C) phase-shift network. Its frequency is determined by a combination of the values of these components, and the oscillation frequency can be changed by varying the capacitance value of the variable capacitor. In addition, the C3290-4.000 achieves excellent phase noise characteristics by instantaneously compensating any frequency fluctuations caused by variations in the supply voltage, temperature, or PCB layout.

The C3290-4.000 also has the advantage of a very small package size (2.0 x1.6x0.5mm) and low power consumption, making it easier to design the system into a compact device. Furthermore, it provides built-in resistors to help reduce EMI and has been tested up to 1GHz to meet the requirements of most system applications.

In summary, the C3290-4.000 is an ideal simulated crystal oscillator for a variety of applications due to its frequency range, small size, and low power consumption. Its grounded-capacitor structure allows for excellent phase noise characteristics, while its built-in resistors help reduce EMI. Finally, its i quick start-up and REACH compliance provide better system performance and ease of use.

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