SIT8008AIB3-30E

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Programmable oscillators are oscillator circuits which are adjustable in frequency via an external programming interface. This type of oscillator is commonly used in applications that require highly accurate and permanent frequency control, such as test and measurement equipment, radio transmitters, frequency synthesizers and embedded systems. Programmable oscillators are available in a variety of technologies and are constructed from a variety of components such as crystals and low noise transistors. A common example of a programmable oscillator is the SIT8008AIB3-30E.

The SIT8008AIB3-30E is a low power 8-bit CMOS oscillator suitable for use in a wide variety of applications. It is capable of producing sinusoidal outputs with low power consumption and low jitter, making it ideal for digital clock circuits. The oscillator is designed with an adjustable frequency range of 4MHz to 30MHz and a supply voltage range of 4.5V to 5.5V. The output frequency can be programmed using either a 3-wire I2C interface or a 4-wire SPI interface.

The working principle of the SIT8008AIB3-30E is based on a type of electronic oscillator circuit known as a “Pierce oscillator”. This type of oscillator produces a sinusoidal waveform by amplification and feedback of a reversed biased transistor. In the SIT8008AIB3-30E, this is achieved by a process of phase-locked loop (PLL) control which makes use of an external crystal, a voltage-controlled oscillator (VCO) and an adjustable Feedback resistor. The frequency of the oscillator is set by the value of the Feedback resistor which is programmable via the external interface. In addition, the oscillation level of the VCO can also be adjusted via the external interface.

The SIT8008AIB3-30E is designed for a wide range of applications such as clock generation, radar systems, and communication systems. Its tight frequency accuracy makes it perfect for clock synchronization and frequency synthesis in digital circuits. The low power consumption and low jitter performance also make it well suited for battery powered applications as well as systems that require low noise operation. The adjustable frequency range also makes it a great choice for applications where a high degree of frequency flexibility is required.

The SIT8008AIB3-30E is a highly versatile programmable oscillator that is suitable for use in many applications. Its low power consumption and tight frequency accuracy make it ideal for clock synchronization and frequency synthesis in digital circuits, while its wide adjustable frequency range makes it a great choice for applications where a high degree of frequency flexibility is required. Its programmability via external interfaces makes it easy to configure and use in a variety of applications.

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