CPPC7-HT56T

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Programmable oscillators are devices designed specifically to generate an asynchronous output of a specific frequency. They are designed to provide the user with the capability to setup their frequencies and or other parameters allowing for flexibility and control. One of the most popular designs is the CPPC7-HT56T which is an integrated programmable oscillator that offers a wide frequency range and uses advanced technology to provide robust performance. This article will cover the application field and working principles of this device.

Application Field of CPPC7-HT56T

Programmable oscillators such as the CPPC7-HT56T are used in many different applications. These include: microwave communications, cellular phones, Wifi equipment, and remote control systems. They are also used in automotive, medical devices, and military/aerospace environments for frequency-control applications. This programmable oscillator is designed to be able to operate in extended temperature ranges from -40°C to +125°C and provide stable and clean output signals.

Working Principle of CPPC7-HT56T

The CPPC7-HT56T contains an oscillator circuit based on a two-phase or three-phase scheme. It uses a charge pump to generate digital pulses at the desired frequency. This digital pulses are then fed to the programmable oscillator. The programmable oscillator then processes these pulses and generates an output signal of the desired frequency. The frequency is determined by the number of pulses and their timing, as well as by the phase shift between them (phase-locked loop). The programming of the desired frequency output is done by a set of pins that can be soldered onto the board or access through a series of connector contacts.

The CPPC7-HT56T is also equipped with a temperature compensation feature which means that the performance of the oscillator will stay stable over a large temperature range. This is achieved by using a temperature sensor and by adjusting the charges stored in local capacitors which help in compensating for any changes in temperature. The output frequency can also be adjusted by using a digital control input.

The CPPC7-HT56T uses an advanced technology called Frequency-Locking Loop (FLL) which ensures the output frequency will stay the same over a wide temperature range. This is achieved by using an error-correction mechanism, where the frequency output is corrected and stabilized by comparing the output to a reference frequency. This reference frequency is programmed using an external voltage controlled oscillator (VCO). The CPPC7-HT56T can then operate in any of the three standard modes — Low-Frequency, High-Frequency and Frequency-Locking Loop.

Conclusion

The CPPC7-HT56T is a versatile programmable oscillator that offers a wide frequency range, robust performance and a temperature compensation feature. It uses an advanced technology called Frequency-Locking Loop (FLL) which ensures that the output frequency remains stable over a wide range of temperatures. This programmable oscillator can be used in various applications, such as microwave communications, cellular phones, Wifi equipment, remote control systems, automotive, medical devices and military/aerospace environments for frequency-control applications.

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