ADF4208BRUZ-R7 datasheet(8/24 Pages) AD

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ADF4206/ADF4208

Rev. A | Page 8 of 24

TYPICAL PERFORMANCE CHARACTERISTICS

IMPEDANCE (Ω)

DATA-FORMAT

KEYWORD

PARAM-TYPE

FREQ-UNIT

GHz

FREQ MAGS11

ANGS11

1.35

0.816886959 –51.80711782

1.45

0.825983016 –56.20373378

1.55

0.791737125 –61.21554647

1.65

0.770543186 –61.88187496

1.75

0.793897072 –65.39516615

1.85

0.745765233 –69.24884474

1.95

0.7517547

–71.21608147

2.05

0.745594889 –75.93169947

2.15

0.713387801 –78.8391674

2.25

0.711578577 –81.71934806

2.35

0.698487131 –85.49067481

2.45

0.669871818 –88.41958754

2.55

0.668353367 –91.70921678

FREQ MAGS11

ANGS11

0.0

0.957111193 –3.130429321

0.15

0.963546793 –6.686426265

0.25

0.953621785 –11.19913586

0.35

0.953757706 –15.35637483

0.45

0.929831379 –20.3793432

0.55

0.908459709 –22.69144845

0.65

0.897303634 –27.07001443

0.75

0.876862863 –31.32240763

0.85

0.849338092 –33.68058163

0.95

0.858403269 –38.57674885

1.05

0.841888714 –41.48606772

1.15

0.840354983 –45.97597958

1.25

0.822165839 –49.19163116

Figure 5. S-Parameter Data for the ADF4208 RF1 Input (Up to 2.5 GHz)

–5

–10

–15

–20

–25

–30

–35

0.5

1.0

1.5

2.0

2.5

3.0

3.5

VDD = 5V

VP = 5V

TA = +85°C

TA = +25°C

TA = –40°C

RF INPUT SENSITIVITY (GHz)

Figure 6. ADF4208 RF1 Phase Noise (900 MHz, 200 kHz, 20 kHz)

FREQUENCY (Hz)

–2k

–1k

900M

–90

–80

–70

–60

–30

–20

–50

–40

–10

–100

–90.5dBc/Hz

REFERENCE LEVEL =

–4.2dBm

VDD = 3V, VP = 5V

ICP = 5mA

PFD FREQUENCY = 200kHz

LOOP BANDWIDTH = 20kHz

RES. BANDWIDTH = 10Hz

VIDEO BANDWIDTH = 10Hz

SWEEP = 1.9 SECONDS

AVERAGES = 19

Figure 7. ADF4208 RF1 Phase Noise (900 MHz, 200 kHz, 20 kHz)

FREQUENCY (Hz)

400k

–400k

–200k

900M

200k

–90

–80

–70

–60

–30

–20

–50

–40

–10

–100

VDD = 3V, VP = 5V

ICP = 5mA

PFD FREQUENCY = 200kHz

LOOP BANDWIDTH = 20kHz

RES. BANDWIDTH = 1kHz

VIDEO BANDWIDTH = 1kHz

SWEEP = 2.5 SECONDS

AVERAGES = 30

–90.2dBc/Hz

REFERENCE LEVEL =

–4.2dBm

Figure 8. ADF4208 RF1 Reference Spurs (900 MHz, 200 kHz, 20 kHz)

FREQUENCY OFFSET FROM 900MHz CARRIER

–40

–50

–60

–70

–80

–90

–100

–110

–120

–130

–140

1kHz

10kHz

100kHz

0.52° rms

10dB/DIVISION

RL = –40dBc/Hz

rms NOISE = 0.52°

Figure 9. ADF4208 RF1 Integrated Phase Noise (900 MHz, 200 kHz, 20 kHz)

FREQUENCY OFFSET FROM 900MHz CARRIER

–40

–50

–60

–70

–80

–90

–100

–110

–120

–130

–140

1kHz

10kHz

100kHz

0.62° rms

10dB/DIVISION

RL =–40dBc/Hz

rms NOISE = 0.62°

Figure 10. ADF4208 RF1 Integrated Phase Noise (900 MHz, 200 kHz, 35 kHz)

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