SIT9005ACU2H-30SL

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Programmable Oscillators: SIT9005ACU2H-30SL Application Field and Working Principle

A programmable oscillator is a type of oscillator in which the frequency or phase is adjustable or changeable. The SIT9005ACU2H-30SL is a high-performance programmable oscillator from the ASTEC brand. This oscillator is engineered to provide reliable output and excellent control over frequency and phase in a wide range of applications.

The SIT9005ACU2H-30SL is a 4-wire programmable oscillator featuring an adjustable frequency range from 25 MHz to 100 MHz and an adjustable phase range from 0° to 180°. It is equipped with input signal conditioning circuitry; rejection of noise, temperature, and aging effects; temperature range of -40° to +85°; and built-in delay line with adjustable output-delay length.

The SIT9005ACU2H-30SL can be used in a wide range of applications, such as telecommunications, digital audio, radio broadcasting, and industrial applications. It can be used as a stable source of frequency and time in systems that require precise timekeeping and synchronization.

The output frequency of the SIT9005ACU2H-30SL can be programmed using an external voltage or current input and is adjustable from 25 MHz to 100 MHz. Its phase can be programmed from 0° to 180°, which makes it an ideal solution for phase and frequency control applications.

The working principle of the SIT9005ACU2H-30SL is based on a buffered, differential, charge-pump design. The internal VCO is composed of an integrated oscillator, a frequency control circuit, a reference oscillator, and a divider. The reference oscillator creates a stable clock signal, while the internal VCO controls the output frequency. The voltage or current input is used to adjust the output frequency.

The SIT9005ACU2H-30SL also features programmable-rise-and-fall times, input power-on reset, and an automatic self-calibration function for stable frequency output. The self-calibration function enables the oscillator to remain stable over the long term, and the programmable-rise-and-fall times enables a smooth transition between frequency levels.

The SIT9005ACU2H-30SL is an excellent choice for applications that require precise control over frequency and phase across a wide range of temperatures. Its ability to adjust the output frequency and phase make it an ideal solution for timing and synchronization applications.

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