EVAL-ADF7020DBZ2 datasheet(13/48 Pages) AD

13 / 48 page

Data Sheet

ADF7020

Rev. D | Page 13 of 48

TYPICAL PERFORMANCE CHARACTERISTICS

10MHz

10.0000kHz

–87.80dBc/Hz

CARRIER POWER –0.28dBm

ATTEN 0.00dB

MKR1

REF –70.00dBc/Hz

10.00

dB/DIV

1kHz

FREQUENCY OFFSET

Figure 7. Phase Noise Response at 868.3 MHz, VDD = 3.0 V, ICP = 1.5 mA

FREQUENCY (MHz)

913.38

913.28

913.30

913.32

913.36

PRBS PN9

DR = 7.1kbps

FDEV = 4.88kHz

RBW = 300kHz

FSK

GFSK

Figure 8. Output Spectrum in FSK and GFSK Modulation

IF FREQ (kHz)

600

–400 –300 –200 –100

100

200

300

400

500

550

–350 –250 –150

–50

150

250

350

450

–5

–10

–15

–20

–25

–30

–35

–40

–45

–50

–55

–60

–65

–70

200kHz FILTER BW

150kHz FILTER BW

100kHz FILTER BW

Figure 9. IF Filter Response

STOP 10.000GHz

SWEEP 16.52ms (601pts)

MKR4 3.482GHz

SWEEP 16.52ms (601pts)

START 100MHz

RES BW 3MHz

REF 10dBm

PEAK

log

10dB/DIV

VBW 3MHz

ATTEN 20dB

REF LEVEL

10.00dBm

Figure 10. Harmonic Response, RFOUT Matched to 50 Ω, No Filter

STOP 5.000GHz

SWEEP 5.627s (601pts)

Δ Mkr1 1.834GHz

–62.57dB

START 800MHz

#RES BW 30kHz

REF 15dBm

ATTEN 30dB

VBW 30kHz

NORM

log

10dB/DIV

LgAv

W1 S2

S3 FC

£(f):

FTun

Swp

MARKER

1.834000000GHz

–62.57dB

Figure 11. Harmonic Response, Murata Dielectric Filter

FREQUENCY (MHz)

900.80

899.60

900.00

899.80

900.20

900.40

900.60

–10

–20

–30

–40

–50

OOK

GOOK

ASK

Figure 12. Output Spectrum in ASK, OOK, and GOOK Modes, DR = 10 kbps

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