AX7PAF2-122.8800C

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Oscillators are widely used in many electronic devices such as radios, radar systems, error-correcting codes, and medical instruments. The AX7PAF2-122.8800C is a type of oscillator which is versatile and specifically designed for frequency synthesis applications. To understand the application field and working principle of this oscillator, an overview of its design and features is necessary.

Design of the AX7PAF2-122.8800C oscillator

The AX7PAF2 model of oscillator is a frequency agile, voltage controlled oscillator (VCO) capable of frequency synthesis in the range of 1200 to 1350MHz. It is configured to form an external sinusoidal output with a 2 to 3.5V tuning voltage. The VCO consists of the main VCO block, a phase frequency detector (PFD) block and a frequency divider block. The VCO operates at a fundamental frequency of 122.88MHz and has an output frequency of up to 1350MHz. The PFD monitors the oscillator frequency by using a frequency divider to divide the output frequency and send it to the PFD. The PFD then compares the frequency with the reference signal from a crystal oscillator and produces a voltage that is proportional to the difference between the two signals. It then provides feedback to the main VCO block, allowing the oscillator frequency to be adjusted.

Features of the AX7PAF2-122.8800C

The AX7PAF2-122.8800C oscillator is designed with features that make it suitable for a range of applications. It uses an integrated circuit with a very low input offset voltage so the VCO is capable of producing high frequency outputs. It also includes a wide operating temperature range of -20 to +85°C and is designed to meet the highest standards of reliability and durability. It has a fast frequency settling time of 5μs and can operate with a supply voltage range of 2 to 6V.

Application field of the AX7PAF2-122.8800C oscillator

The AX7PAF2-122.8800C oscillator is suitable for use in a range of devices. It is particularly useful for UHF and VHF radio systems, radar systems and ultra wideband systems. Its frequency synthesis capability makes it ideal for devices that require precise frequency and timing control. It is also commonly used as a voltage-to-frequency converter in data communications equipment, remote sensing devices and error-correcting codes.

Working principle of the AX7PAF2-122.8800C oscillator

The AX7PAF2-122.8800C oscillator works by comparing a frequency divider output from the main VCO block with a reference signal from a crystal oscillator. The PFD then produces a proportional voltage to the difference between the two signals, which is used to adjust the frequency of the oscillator. As the voltage is adjusted, the oscillator’s output frequency is adjusted accordingly.

The oscillator can be tuned to a desired frequency by adjusting the tuning voltage. As the voltage is changed, the frequency of the oscillator output also changes, allowing for frequency synthesis. Additionally, the frequency can be further adjusted by changing the gain of the oscillator, as well as by changing the reference frequency of the crystal oscillator.

Conclusion

The AX7PAF2-122.8800C oscillator is a frequency agile, voltage controlled oscillator (VCO). It is designed for frequency synthesis applications and features a wide operating temperature range and very low input offset voltage. Its design consists of the main VCO block, a phase frequency detector (PFD) block and a frequency divider block. The oscillator works by comparing a frequency divider output from the main VCO block with a reference signal from a crystal oscillator, producing a proportional voltage to adjust the frequency. It can be used in UHF and VHF radio systems, radar systems, ultra wideband systems and error-correcting codes.

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