AD9525(Rev0) 데이터 시트보기 (PDF) - Analog Devices

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AD9525
(Rev.:Rev0)

Low Jitter Clock Generator with Eight LVPECL Outputs

Analog Devices 

Data Sheet

–20

–30

1: 1kHz, –85.0dBc/Hz

2: 10kHz, –99.3dBc/Hz

–40

3: 100kHz, –123.0dBc/Hz

–50

4: 800kHz, –140.7dBc/Hz

5: 1MHz, –142.0dBc/Hz

–60

6: 10MHz, –149.0dBc/Hz

7: 100MHz, –153.3dBc/Hz

–70

–80

–90

1

–100

–110

–120

2

3

–130

5

–140 NOISE:

–150

ANALYSIS RANGE X: START 1kHz

STOP 100MHz

4

–160 INTG NOISE: –62.1dBc/19.7MHz

RMS NOISE: 1.1µRAD

7

6

–170

63.6mdeg

RMS JITTER: 86.2fsec

–180

100

1k

10k

100k

1M

10M

100M

FREQUENCY (Hz)

Figure 16. Phase Noise (Absolute), External VCO 2.05 GHz VCO

(Bowei Model MVCO-2050A); at 2050 MHz; Reference = 122.054215 MHz;

R Divider = 12

AD9525

–20

–30

–40

–50

–60

–70

–80

–90

–100

1

–110

–120

2

–130

–140

–150

–160

5

3

7

4

6

–170

–180

100

1k

10k

100k

1M

10M

100M

FREQUENCY (Hz)

Figure 17. Phase Noise (Absolute), External VCO (Z-Communications

CRO1474-LF) at 1474.56 MHz; PFD = 122.88 MHz;

LBW = 15 kHz; LVPECL Output = 1474.56 MHz

Rev. 0 | Page 17 of 48

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