SG-8002CA 2.0000M-PCMB

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Oscillators are devices used to generate a steady and repetitive signal waveforms. They are essential in many electronic and electrical applications, from clocks and motors to music synthesis. The SG-8002CA 2.0000M-PCMB is a freestanding, low-profile, voltage-controlled crystal oscillator (VCXO) from SiTime Corporation that is designed for applications requiring high-frequency precision, stability, and accuracy. This device offers both performance and versatility, and is suitable for highly accurate and stable frequency control for a wide range of applications.

A typical application for the SG-8002CA would be reference clock frequency for a base station or radio transmitter. This device is designed to generate a highly stable and precisely regulated frequency, making it ideal for next generation broadcast radio, particularly in the FM/AM broadcast and digital audio broadcasting (DAB) segments. It also offers improved frequency accuracy over traditional crystal oscillators, making it suitable for more sensitive or exacting applications.

The working principle of the SG-8002CA is straightforward and relies on some basic principles of electronics. While the exact circuitry of the device is not detailed in the datasheet, the fundamental elements and principles from the description and specifications provided include the quartz crystal oscillator element, voltage-controlled amplifier, frequency multiplier, and low-noise frequency divider.

The SG-8002CA employs the resonance of a quartz crystal in order to generate its signal. The quartz crystal is designed to oscillate at a very specific frequency, and the oscillator alters this frequency by changing the voltage applied to the crystal. By increasing or decreasing the voltage, the frequency can be increased or decreased accordingly. Once the signal has been generated, it is amplified and then multiplied or divided to produce the required frequency output.

The frequency of the SG-8002CA is adjustable between -16.000 V to +16.000 V (+/- 200 ppm) to meet the demands of applications such as FM/AM broadcast and DAB, which require higher levels of precision. The device also offers low phase jitter (5 ps rms) for improved signal performance, as well as low current consumption and low EMI radiation.

To meet the requirements of diverse applications, the SG-8002CA also offers several other features, such as programmable output duty cycle and format, output enable and disable, and configurable voltage reference. There are also optional integrated components, such as filters and crystal load capacitors, for improved sensitivity, stability, and accuracy.

The SG-8002CA 2.0000M-PCMB is a versatile and highly accurate oscillator that is suitable for use in a variety of applications. Its frequency control and low current consumption make it a great choice for precision frequency control for base stations and other radio transmitters. It is also capable of high levels of stability and accuracy, with low phase jitter and configurable frequency output components, making it ideal for applications requiring precise frequency control.

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