SIT9005ACE1D-25SM

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Programmable oscillators refer to those oscillators that can adjust their working frequency and output waveform by changing certain parameters or digital control signals. SIT9005ACE1D-25SM, which belongs to this category, is widely used in optical and wireless communication fields. This article mainly introduces the application field and working principle of SIT9005ACE1D-25SM.

As a widely used programmable oscillator, SIT9005ACE1D-25SM has obvious advantages - it supports an output frequency of 1MHz to 25MHz, and offers a wide range of frequency tuning range from 0.1% to 25%. It also has a wide temperature operating range from -40 degrees C to 85 degrees C, and offers output waveforms of sine wave and square wave as well as duty ratios of 50%/75% and 25%/50%.

SIT9005ACE1D-25SM has been widely used in optical transmission field. Its high output frequency and tunable range can ensure that the transmitted light wave can accurately reach the receiving end. In the process of optical fiber transmission, optical fiber cables of different lengths will inevitably cause inaccuracy. SIT9005ACE1D-25SM, with its wide tunable range, can accurately adjust the frequency of the transmitted wave in order to make up for the errors caused by the cables. The waveforms and duty ratios also have great adaptability in this field.

SIT9005ACE1D-25SM is also widely used in wireless communication field. Oscillators in this field have very strict requirements - they have to be able to accurately generate oscillations in order to transmit the data correctly. SIT9005ACE1D-25SM, with its wide frequency range, output waveforms and duty ratios, can meet the requirements of most wireless communication equipment.

The working principle of SIT9005ACE1D-25SM is not complicated. It consists of a voltage controlled oscillator (VCO), a frequency divider, a digital/analog interface and a clock/divider selector. When an analog control voltage is applied, the VCO will generate an oscillation signal of certain frequency. The frequency divider then divides the oscillation frequency into two output signals - one is used to control the frequency and range of the output wave, while the other is used to select different output waveforms and duty ratios. Finally, the digital/analog interface receives digital signals and converts them into analog signals to control the output wave.

The working speed of SIT9005ACE1D-25SM is also faster than that of other oscillators since the power-up time is as low as 60ms. Its power consumption is also very low – only 1.9mW at 25MHz. In addition, SIT9005ACE1D-25SM has a very low phase noise of -150dBc/Hz@100KHz and excellent short-term stability of ± 5ppm.

From this article, we can see that SIT9005ACE1D-25SM is a programmable oscillator which is widely used in optical and wireless communication fields. It has a wide frequency tuning range from 1MHz to 25MHz, and supports output waveforms of sine wave and square wave as well as duty ratios of 50%/75% and 25%/50%. Its working principle is not complicated, and it has faster working speed and lower power consumption. Therefore, SIT9005ACE1D-25SM is a much-desired oscillator for many applications.

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