1200720964

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The 1200720964 is a frequency synthesizer that consists of an integrated circuit. This device is designed to provide a fixed stable frequency output which could be adjusted within a wide range by use of output divider and voltage-controlled oscillator (VCXO).

Application Field

1200720964 is widely used in radio communication, navigation systems, geoscience and space research systems. Apart from these, it is employed in measuring and controlling technologies, medical diagnosis, optical and specialty instruments. 1200720964 finds its applications in the fields of computers, telephones, mobile phones, TVs, microwave ovens, servers, switches, transceivers, and many other electronics.

Working Principle

The 1200720964 works on the principle of Phase Locked Loop (PLL). It is a circuit that locks onto an input frequency and generates an output frequency precisely equal to the input frequency along with a low phase noise. The PLL generates output frequencies with low phase noise, over a wide range of frequencies.

The 1200720964 consists of a Voltage-Controlled Oscillator (VCO), a Programmable Frequency Divider, a Phase Detector, and a Low Pass Filter. The output frequency is determined by the frequency of the input VCO signal, divided value and Loop Filter characteristics. The Phase Detector compares the phase of the two input signals, the output of the Programmable Frequency Divider and VCO. Any phase difference is converted into a current which flows through the Low Pass Filter to the VCO control voltage, thus adjusting the VCO frequency and making it the same as the input frequency. In this way, the PLL is able to generate an output signal at the desired frequency.

To keep the output frequency within the specified limits, the 1200720964 is equipped with a programmable frequency divider. The divider divides the input frequency by any given divider ratio, and this ratio is adjusted by a Signal Input terminal. Another input voltage provides the control voltage for the VCO, which is used to adjust the frequency of the VCO. It is used to adjust the output frequency. It also includes an Automatic Gain Control (AGC) feature which ensures that the output frequency stays within the required limits.

The 1200720964 is an important part of any electronic device today due to its wide range of applications. Its ability to generate stable and low phase noise output makes it suitable for use in communication systems. It is also a key component in navigation systems, medical technologies, optical and specialty instruments. This device is essential for modern technology today.

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