ADF4251 datasheet(8/28 Pages) AD

Numer części	ADF4251

Szczegółowy opis	Dual Fractional-N/Integer-N Frequency Synthesizer

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Producent	AD [Analog Devices]

Strona internetowa	http://www.analog.com

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8 / 28 page

REV. 0

–8–

ADF4251

FREQUENCY

0

–60

–2kHz

–1kHz

1.7518GHz

1kHz

2kHz

–10

–50

–70

–90

–30

–40

–80

–20

–100

–102dBc/Hz

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 10Hz

REFERENCE

LEVEL = – 4.2dBm

TPC 7. Phase Noise Plot, Lowest Noise Mode,

1.7518 GHz RFOUT, 20 MHz PFD Frequency,

200 kHz Channel Step Resolution

FREQUENCY

0

–60

–2kHz

–1kHz

1.7518GHz

1kHz

2kHz

–10

–50

–70

–90

–30

–40

–80

–20

–100

–93.86dBc/Hz

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 10Hz

REFERENCE

LEVEL = – 4.2dBm

TPC 8. Phase Noise Plot, Low Noise and Spur

Mode, 1.7518 GHz RFOUT, 20 MHz PFD Frequency,

200 kHz Channel Step Resolution

FREQUENCY

0

–60

–2kHz

–1kHz

1.7518GHz

1kHz

2kHz

–10

–50

–70

–90

–30

–40

–80

–20

–100

–89.52dBc/Hz

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 10Hz

REFERENCE

LEVEL = – 4.2dBm

TPC 9. Phase Noise Plot, Lowest Spur Mode,

1.7518 GHz RFOUT, 20 MHz PFD Frequency,

200 kHz Channel Step Resolution

FREQUENCY

0

–60

–10

–50

–70

–90

–30

–40

–80

–20

–100

–53dBc@

100kHz

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 1kHz

REFERENCE

LEVEL = – 4.2dBm

–400kHz

–200kHz

1.7518GHz

200kHz

400kHz

TPC 10. Spurious Plot, Lowest Noise Mode,

1.7518 GHz RFOUT, 20 MHz PFD Frequency,

200 kHz Channel Step Resolution

FREQUENCY

0

–60

–400kHz

–200kHz

1.7518GHz

200kHz

400kHz

–10

–50

–70

–90

–30

–40

–80

–20

–100

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 1kHz

REFERENCE

LEVEL = – 4.2dBm

–63.2dBc@

100kHz

TPC 11. Spurious Plot, Low Noise and Spur Mode,

1.7518 GHz RFOUT, 20 MHz PFD Frequency, 200 kHz

Channel Step Resolution

FREQUENCY

0

–60

–400kHz

–200kHz

1.7518GHz

200kHz

400kHz

–10

–50

–70

–90

–30

–40

–80

–20

–100

VDD = 3V, VP = 5V

ICP = 1.875mA

PFD FREQUENCY = 20MHz

CHANNEL STEP = 200kHz

LOOP BANDWIDTH = 20kHz

FRACTION = 59/100

RBW = 1kHz

REFERENCE

LEVEL = – 4.2dBm

–72.33dBc@

100kHz

TPC 12. Spurious Plot, Lowest Spur Mode,

1.7518 GHz RFOUT, 20 MHz PFD Frequency,

200 kHz Channel Step Resolution

Podobny numer części - ADF4251

Producent	Numer części	Arkusz danych	Szczegółowy opis
Analog Devices	ADF4251	440Kb / 28P	Dual Fractional-N/Integer-N Frequency Synthesizer REV. 0

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ADF4251 Arkusz danych(PDF) 8 Page - Analog Devices

ADF4251 Arkusz danych(HTML) 8 Page - Analog Devices

Podobny numer części - ADF4251

Podobny opis - ADF4251

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