NE567V

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NE567V devices are highly versatile, general-purpose Phase-Locked Loops with many telecommunication applications. These circuits offer high input frequencies and instantaneous output frequency response. The NE567V circuit allows users to select either voltage-controlled oscillator (VCO) or current-controlled oscillator (ICO) modes, as well as provide two different VCO clocks outputs, making them suited for a wide variety of uses.

The NE567V device is designed to offer good stability and fast locking performance along with good linearity, making it ideal for use as a Phase Locked Loop (PLL) or to control frequency synthesisers in telecommunications applications.

The NE567V chip contains a voltage-controlled oscillator (VCO) with a range of 0 √Ω to 20 KHz, a pulse output and a divide-by-N circuit. It also contains a low-noise, precision timing circuit, a wideband amplifier and a frequency-to-amplitude converter. Other features such as frequency range, high sensitivity and wide dynamic range make this chip a popular choice for those applications requiring fast frequency, or amplitude response.

A typical NE567V application is a frequency synthesizer. This is usually accomplished using two NE567V chips, one with an input frequency of 1 kHz and the other with an input frequency of 3 kHz. The first chip converts the 1 kHz signal into a 4 kHz signal while the second chip converts the 3 kHz signal into a 6 kHz signal. The two chips then combine to produce a signal with an output frequency of 10 kHz.

Another common application is phase-locked loop (PLL) systems such as those used in cellular and wireless technologies. In PLL systems, a reference signal is used to generate a signal of a specific frequency at a specific phase. The NE567V’s low-noise, precision timing circuit is used to create a signal locked to this reference signal, and is used to track the signal.

NE567V\'s principle of operation involves a feedback loop consisting of an integrator, a phase detector, and a loop filter. This loop filter can be used to adjust the phase and frequency of the output signal. The phase detector measures the phase difference between two signals and produces an output voltage proportional to the phase difference. This output voltage is then integrated by the integrator and presented to the loop filter. The loop filter then adjusts the parameters of the PLL to make it lock onto the desired frequency.

The NE567V device is a versatile, powerful and reliable choice for a wide range of telecommunication applications. It provides good linearity, high input frequency range, fast locking and good stability. The device\'s features make it a popular choice for those applications requiring fast frequency or amplitude response.

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