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LTC6948 - Ultralow Noise 0.37GHz to 6.39GHz Fractional-N Synthesizer

Description

The LTC®6948 is a high performance, low noise, 6.39GHz phase-locked loop (PLL) with a fully integrated VCO, including a reference divider, phase-frequency detector (PFD), ultralow noise charge pump, fractional feedback divider, and VCO output divider.

Features

  • n LTC6948 Ultralow Noise 0.37GHz to 6.39GHz Fractional-N Synthesizer with Integrated VCO.

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Features n LTC6948 Ultralow Noise 0.37GHz to 6.39GHz Fractional-N Synthesizer with Integrated VCO Description The LTC®6948 is a high performance, low noise, 6.39GHz phase-locked loop (PLL) with a fully integrated VCO, including a reference divider, phase-frequency detector (PFD), ultralow noise charge pump, fractional feedback divider, and VCO output divider. The fractional divider uses an advanced, 4th order Δ∑ modulator which provides exceptionally low spurious levels. This allows wide loop bandwidths, producing extremely low integrated phase noise values. The programmable VCO output divider, with a range of 1 through 6, extends the output frequency range. Output Frequency Options LTC6948-1 O_DIV = 1 O_DIV = 2 O_DIV = 3 O_DIV = 4 O_DIV = 5 O_DIV = 6 LTC6948-2 LTC6948-3 LTC6948-4 2.
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