ADF4360-1BCPZ

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The ADF4360-1BCPZ is a high-performance, low-phase noise, integer-N Frequency Synthesizer with a Frequency Range of 5 MHz to 4.3 GHz. It combines an integrated VCO, divide-by-N logic, a reference divider, phase-frequency detector (PFD). The synthesizer PLL is based on a voltage controlled oscillator (VCO) intended to generate a frequency that is a multiple of a reference input frequency. It is suitable for use in applications such as wireless, broadcasting, microwave and test instrumentation.

The ADF4360-1BCPZ can provide a high-performance frequency synthesised source based on fractional-N and direct digital synthesiser techniques. It includes an integrated VCO, divide-by-N logic, a reference divider, phase-frequency detector (PFD) and charge-pump (CP). It is capable of providing frequency resolution of 1 Hz and low phase noise performance. The ADF4360-1BCPZ operates with a single +3.3 V supply and can be easily configured using a simple 3-wire serial interface.

The basic principle of a Frequency Synthesizer is that it generates an output frequency based on a reference frequency. The reference frequency is usually provided by a stable oscillator such as a quartz crystal oscillator. The output frequency is generated by a VCO, or voltage controlled oscillator, which is usually a varactor diode. The frequency of the VCO output is controlled by a voltage applied to the diode. This voltage is adjusted by the control logic of the Frequency Synthesizer, which is typically implemented by a Phase-Locked Loop (PLL) circuit.

The ADF4360-1BCPZ includes a four-stage integer-N PLL circuit which is capable of locking the VCO frequency to a reference frequency with a multiplication ratio of 1 or greater. The multiplication ratio is determined by the R-counter and the N-counter settings. The output frequency of the synthesizer is determined by a VCO frequency and a multiplication factor. The VCO frequency is set by an LC tank circuit, while the multiplication factor is set by the N counter. The output frequency can be fine-tuned by adjusting the R-counter.

The ADF4360-1BCPZ includes a reference divider which is used for low-frequency divide-by-N mode operation. It also includes a PFD and CP for reliable and fast frequency acquisition and lock-in. This frequency synthesizer is also capable of providing low phase noise performance and high spur rejection. The device also incorporates various protection features such as output frequency acceptance window and reference frequency changing guard time.

The ADF4360-1BCPZ can be used in many applications such as Radio, Wi-Fi, Wireless Wide Area Networks (WWAN), Satellite Communications (Satcom), Mobile Radio (Baofeng UV-5R), Broadcast, Test and Measurement Instruments, GPS and navigation. It is ideal for applications requiring low phase noise, low power consumption and low supply voltage.

In conclusion, the ADF4360-1BCPZ is a high-performance, low-phase noise, integer-N frequency synthesizer suitable for many different applications. It features an integrated VCO, divide-by-N logic, a reference divider, phase-frequency detector and charge-pump. The frequency synthesizer provides low phase noise performance, reliable and fast frequency acquisition and lock-in, as well as various protection features.The device is ideal for applications ranging from radio to GPS and navigation, with low power consumption and low supply voltage.

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