SIT9002AI-28H25EQ

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Programmable Oscillators offer a wide range of advantages in clock applications and other circuits where a steady and variable frequency is required, and the SIT9002AI-28H25EQ represents a particularly versatile example. From frequency divider to pulse and logic control to clock synchronization, this programmable oscillator, manufactured by Qinheng Electronics, offers all these features and more. Let\'s take a look at the application field and working principle of this product in closer detail.

Application Field

SIT9002AI-28H25EQ is a frequency divider with an output frequency range from 0.1 Hz to 1 MHz. It has a four-in-one design, making it ideal for applications such as frequency division in industrial automation, time constant adjustment in analog to digital converters, and dividing frequency of clock source in analog and digital sampling systems. This programmable oscillator also features a pulse-shaping and logic control function, making it suitable for applications such as pulse shaping, pulse train synchronization, and logic generalization. It is also used in time-domain signal conditioning. Other applications of SIT9002AI-28H25EQ include circuit control, frequency testing and frequency measurements, clock control and frequency generation, micro-computer clock control, and communication systems.

Working Principle

The SIT9002AI-28H25EQ is a programmable oscillator that works with a differential input system. It outputs a programmable frequency depending upon the values of the two resistors and capacitor. When the current flows through the resistor, the voltage across it is proportional to its resistance and the ratio of the currents flowing through two resistors is given by the voltage across them. This voltage is used to determine the frequency of the output from the oscillator. In addition, the amplitude of the output can also be adjusted by the voltage source. The frequency of oscillation is determined by its resonant frequency, which is given by:

f = 1/2π√[R1R2 || (R1 + R2)C]

The SIT9002AI-28H25EQ uses two resistors, R1 and R2 for setting the output frequency, and a capacitor, C for setting the amplitude. This combination of components forms a voltage-controlled oscillator, or VCO. The voltage controlled oscillator converts a voltage input into a frequency output. The SIT9002AI-28H25EQ uses a negative feedback loop to maintain the frequency of its output. This feedback can be used to stabilize the frequency of the output making it useful for applications such as time-domain signal conditioning.

Advantages

The SIT9002AI-28H25EQ offers a number of advantages over conventional oscillator designs. Firstly, this programmable oscillator allows the user to modify the oscillation frequency and output amplitude simply by changing the values of the resistors and capacitor. This makes it ideal for applications where accurate and stable frequency and/or amplitude control is required. Secondly, the SIT9002AI-28H25EQ has a wide range of application fields and can be used in a number of applications including frequency division, pulse and logic control, clock synchronization, signal conditioning, and other applications. Finally, this oscillator is designed to be electric-level optically fully isolated, so it offers higher degree of safety and reliability than conventional oscillators.

Conclusion

In conclusion, the SIT9002AI-28H25EQ is a versatile programmable oscillator than can be used in a wide range of applications in electronics engineering. Its main feature is its frequency division and pulse and logic control capability, but it can also be used in other applications such as clock synchronization and signal conditioning. Its ability to adjust frequency and amplitude with simple changes to the resistors and capacitor make it ideal for those applications where accurate and stable control of frequency and/or amplitude are required.

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