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1 to 20 MHz Phase-frequency detector and charge pump
Phase-frequency detector (PFD) forms a control signal for VCO tuning. PFD compares phases of a divided VCO signal and a divided reference oscillator signal and detects phase difference. Charge pump generates pulses for the loop filter.
Reference frequency 1…20 MHz.
Output current is 0.4...6.4 mA.
Reference frequency 1…20 MHz.
Output current is 0.4...6.4 mA.
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