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Oscillators

Oscillators are electrical circuits that generate an alternating voltage or current at a fundamental frequency, usually sine or square waveform. Oscillators can be classified according to their frequency range from low frequency systems such as timers and clocks, to RF systems such as radio transmitters and receivers.

632N3I066M66600 application field and working principle

The 632N3I066M66600 is an application specific integrated circuit (ASIC) designed for the HF/VHF receiver and transmitter and oscillator markets. It is designed to provide a low-cost oscillator solution with superior circuit performance and environmental robustness.

The 632N3I066M66600 is a three-stage V-type phase-locked loop (PLL) oscillator. It is a fully integrated solution with a single crystal reference frequency input and a built-in digitally programmable voltage control oscillator (VCO). The VCO\'s output frequency is adjusted via an external voltage input to the digital control input pins. The VCO can be programmed over the entire frequency range from 10kHz to 1000MHz at resolutions as low as 0.5Hz. The PLL incorporates a frequency-locked loop (FLL) to accurately tune the VCO to the reference frequency. The PLL also provides a stable, low noise signal with low-side injection for both transmitter and receiver applications.

The 632N3I066M66600 offers a wide range of applications in HF/VHF wireless communications such as wireless base stations, digital two-way radio systems, low-power wireless AM/FM radio transmitters, and much more. It is also suitable for use as a wideband oscillator in local oscillator (LO) applications, and for signal generation in test and measurement, communications, and medical applications.

The 632N3I066M66600\'s working principle is based on a low-power CMOS process and uses a three-stage PLL configuration with FLL. The loop filter is designed to optimize the bandwidth of the frequency control loop to ensure optimum performance in any application. The device is also designed to reduce EMI and to ensure high-level of stability.

The 632N3I066M66600 provides a low-cost oscillator solution with superb performance over a wide frequency range and delivers a high-quality signal for both HF and VHF applications.

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