Prescalers (Microwave)

RF prescalers from Analog Devices are designed utilizing the company’s leading RF and PLL design expertise. The ADF500x family offers the industry’s highest performance for a fixed divide ratio of 2, 4 or 8 and can operate to 18 GHz with very low power consumption. Utilizing a nominal 3V supply, these prescalers have differential 100 Ω RF outputs which directly interface to the differential RF inputs of the PLL.

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    CN-0174 (pdf, 202 kB)
    Low Noise, 12 GHz, Microwave Fractional-N Phase-Locked Loop (PLL) Using an Active Loop Filter and RF Prescaler

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Prescalers

Part# Max RF Input (MHz)Voltage Supply (V)Supply CurrentRF Divide ValueNormalised Phase Noise
ADF500018GHz3.3V30mA2-147dBc/Hz
ADF500218GHz3.3V30mA8-153dBc/Hz
ADF5001Reference Circuit Available18GHz3.3V30mA4-150dBc/Hz
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