SIT9005ACL2G-28EE

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Programmable oscillators provide control over frequency, phase and amplitude, enabling a variety of applications where tuning is required. The SIT9005ACL2G-28EE is a dual-channel, low phase-noise voltage-controlled crystal oscillator (VCXO) optimized for phase-locked loop (PLL) phase modulation applications. It is an advanced frequency agile programmable oscillator designed to deliver fast frequency hopping, high stability and low phase noise in a small 2x2mm footprint.

The oscillator offers the capability to continuously program frequency and phase corrections up to ±50 ppm and ±180°, respectively, in both direct current (DC) and alternating current (AC) applications. It also features in-phase and quadrature (I/Q) outputs, allowing both channels to be used in multiple functions. This flexibility makes the SIT9005ACL2G-28EE an ideal choice for a variety of PLL applications including communication, audio, RF and microwave systems and mobile phones.

The oscillator’s fast tuning speed and low phase-noise performance make it an excellent choice for several different types of applications. It is ideal for PLLs due to its fast frequency hopping capability, allowing the PLL to lock onto the desired frequency in a very short period of time. Its low phase noise performance also makes it perfect for ultra-low jitter communication and timing applications. In addition, its high stability and low drift characteristics make it ideal for audio and RF applications.

The SIT9005ACL2G-28EE operates by modulating a quartz crystal resonator frequency by applying a voltage to its control input pins. It then uses an external feedback loop to control the crystal frequency in response to the applied input voltage. As a result, the oscillator frequency can be changed with a relatively low voltage, which is especially useful in frequency hopping applications. Furthermore, the oscillator’s dual output ensures that multiple channels of identical frequencies can be obtained, allowing for simultaneous transmission of multiple signals.

The SIT9005ACL2G-28EE also features excellent jitter and phase noise performance, making it an ideal choice for timing applications requiring very low jitter. This is especially true in systems operating in the microwave and millimeter wave bands, where the oscillator’s low phase noise can reduce the overall system size and complexity. Additionally, its small size and low power consumption make it an attractive choice for a wide range of portable applications.

In conclusion, the SIT9005ACL2G-28EE is a versatile, low phase-noise, multipurpose programmable oscillator that provides excellent performance and reliability for a wide range of applications, including PLLs, audio, RF and microwave systems, and mobile phones. Its fast frequency hopping, low power consumption, and small footprint make it an ideal choice for portable and embedded applications.

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