ADF7012 데이터 시트보기 (PDF) - Analog Devices

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ADF7012

Multichannel ISM Band FSK/GFSK/OOK/GOOK/ASK Transmitter

Analog Devices 

ADF7012

TYPICAL PERFORMANCE CHARACTERISTICS

315 MHz

–60

–70

= NORMAL

FREQUENCY = 9.08 kHz

LEVEL = –84.47dBc/Hz

–80

–90

–100

–110

–120

–130

–140

1.0k

10.0k

100.0k

1.0M

PHASE NOISE (Hz)

10.0M

Figure 4. Phase Noise Response—DVDD = 3.0 V, ICP = 0.86 mA

IVCO = 2.0 mA, FOUT = 315 MHz, PFD = 3.6864 MHz, PA Bias = 5.5 mA

REF LVL

5dBm

5

0

–10

–20

–30

–40

–50

0.45dBm

315.05060120MHz

1

RBW 5kHz

VBW 5kHz

SWT 500ms

2

RF ATT 30dB

UNIT dBm

A

1MA

–60

–70

–80

–90

–95

CENTER 315MHz

50kHz/

SPAN 500kHz

Figure 5. FSK Modulation, Power = 0 dBm, Data Rate = 1 kbps,

FDEVIATION = ±50 kHz

REF LVL

5dBm

5

0

RBW 500kHz RF ATT 30dB

0.31dBm VBW 500kHz

315.40080160MHz SWT 5ms UNIT dBm

1

A

–10

–20

–30

1MA

–40 D1 –41.5dBm

–50 D2 –49dBm

–60

–70

–80

1 [T1]

0.31dBm

–90

315.40080160MHz

–95

CENTER 315MHz

40MHz/

SPAN 400MHz

Figure 6. Spurious Components—Meets FCC Specs

REF LVL

5dBm

51

0

3

–10

RBW 1MHz RF ATT 30dB

0.27dBm VBW 1MHz

308.61723447MHz SWT 17.5ms UNIT dBm

A

–20

–30

24

–40

–50

1MA

D1 –41.5dBm

–60

–70

1 [T1]

0.27dBm 3 [T1]

–80

308.61723447MHz

2 [T1]

–35.43dBm 4 [T1]

–90

631.26252505MHz

–95

CENTER 3.5MHz

700MHz/

–11.48dBm

939.87975952MHz

–34.11dBm

1.26252505GHz

SPAN 7GHz

Figure 7. Harmonic Response, RFOUT Matched to 50 Ω, No Filter

REF LVL

5dBm

5

1

0

RBW 1MHz RF ATT 30dB

0.18dBm VBW 1MHz

308.61723447MHz SWT 17.5ms UNIT dBm

A

–10

SGL

–20

–30

1MA

–40

3

2

–50

4

D1 –41.5dBm

–60

–70

1 [T1]

0.18dBm 3 [T1]

–80

308.61723447MHz

2 [T1]

–50.53dBm 4 [T1]

–90

631.26252505MHz

–95

CENTER 3.5MHz

700MHz/

–42.93dBm

939.87975952MHz

–55.48dBm

1.26252505GHz

SPAN 7GHz

Figure 8. Harmonic Response, Fifth-Order Butterworth Filter

REF LVL

5dBm

5

0

–10

–20

–30

–40

–50

RBW 5kHz RF ATT 30dB

20.33dBm VBW 5kHz

26.55310621kHz SWT 500ms UNIT dBm

1

A

2

3

1MA

–60

–70 1 [T1]

–3.49dBm

315.00012525MHz

–80 3 [T1]

–20.33dB

26.55310621kHz

2 [T1]

–20.85dB

–90

–27.55511022kHz

–95

CENTER 315MHz

50kHz/

SPAN 500kHz

Figure 9. OOK Modulation, Power = 0 dBm, Data Rate = 10 kbps

Rev. A | Page 8 of 28

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