LTC6948IUFD-2#PBF

LTC6948 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. It is widely used in application such as wireless base stations (LTE, WiMAX, W-CDMA, PCS), microwave data links, military and secure radio, test and measurement etc.

• 18bit fractional denominator
• Integer normalized in-band phase noise floor is -226dBc/Hz typ
• Normalized in-band 1/f phase noise is -274dBc/Hz typ
• Excellent integer boundary spurious performance
• Input duty cycle is 50 %
• Output buffer muting, reference input frequency upto 425MHz
• Fast frequency switching, fracNWizard™ software design tool support
• Output frequency is 3.080 to 4.910 at (O-DIV = 1)
• Operating temperature is -40°C to 105°C
• Package style is 28-lead plastic QFN

Opmerkingen

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