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E figure, H figure 14 f, Ad9912 – Analog Devices AD9912 User Manual

Page 11

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AD9912

Rev. D | Page 11 of 40

06763-

009

19.85

19.95

20.05

20.15

20.25

20.35

FREQUENCY (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

S

IG

NAL

P

O

W

E

R (

d

Bm)

20.1MHz
–95dBc
500kHz
300Hz
1kHz

CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:

Figure 9. Narrow-Band SFDR at 20.1 MHz,

SYSCLK = 1 GHz (SYSCLK PLL Bypassed)

06763-

010

200.85

200.95

201.05

201.15

201.25

201.35

FREQUENCY (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

S

IG

NAL

P

O

W

E

R (

d

Bm)

201.1MHz
–91dBc
500kHz
300Hz
1kHz

CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:

Figure 10. Narrow-Band SFDR at 201.1 MHz,

SYSCLK = 1 GHz Wenzel Oscillator (SYSCLK PLL Bypassed)

06763-

011

398.45

398.55

398.65

398.75

398.85

398.95

FREQUENCY (MHz)

10

0

–10

–20

–30

–40

–50

–60

–70

–80

–90

–100

–110

S

IG

NAL

P

O

W

E

R (

d

Bm)

398.7MHz
–86dBc
500kHz
300Hz
1kHz

CARRIER:
SFDR:
FREQ. SPAN:
RESOLUTION BW:
VIDEO BW:

Figure 11. Narrow-Band SFDR at 398.7 MHz,

SYSCLK = 1 GHz Wenzel Oscillator (SYSCLK PLL Bypassed)

06763-

012

100

1k

10k

100k

1M

10M

100M

FREQUENCY OFFSET (Hz)

–80

–90

–100

–110

–120

–130

–140

–150

–160

PH

A

SE N

O

ISE (d

B

c

/H

z)

399MHz

99MHz

RMS JITTER (100Hz TO 40MHz):
99MHz:
399MHz:

413fs
222fs

Figure 12. Absolute Phase Noise Using HSTL Driver,

SYSCLK = 1 GHz Wenzel Oscillator (SYSCLK PLL Bypassed)

06763-

013

10

100

1k

10k

100k

1M

10M

100M

FREQUENCY OFFSET (Hz)

–80

–90

–100

–110

–120

–130

–140

–150

–160

PH

A

SE N

O

ISE (d

B

c

/H

z)

399MHz

99MHz

RMS JITTER (12kHz TO 20MHz):
99MHz:
399MHz:

0.98ps
0.99ps

Figure 13. Absolute Phase Noise Using HSTL Driver,

SYSCLK = 1 GHz (SYSCLK PLL Driven by Rohde & Schwarz SMA100 Signal

Generator at 83.33 MHz )

06763-

014

10

100

1k

10k

100k

1M

10M

100M

FREQUENCY OFFSET (Hz)

–80

–90

–100

–110

–120

–130

–140

–150

–160

PH

A

SE N

O

ISE (d

B

c

/H

z)

399MHz

99MHz

RMS JITTER (12kHz TO 20MHz):
99MHz:
399MHz:

1.41ps
1.46ps

Figure 14. Absolute Phase Noise Using HSTL Driver,

SYSCLK = 1 GHz (SYSCLK PLL Driven by Rohde & Schwarz SMA100 Signal

Generator at 25 MHz )