AD9518-4A/PCBZ Analog Devices Inc, AD9518-4A/PCBZ Datasheet - Page 17

• Manufacturer Part Number: AD9518-4A/PCBZ
• Description: 6-Output Clock Generator With 2.8GHz
• Manufacturer: Analog Devices Inc

Specifications of AD9518-4A/PCBZ

• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9518-4A
• Primary Attributes: 2 Inputs, 14 Outputs, 1.6GHz VCO
• Secondary Attributes: LVPECL Output Logic
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 13. Output Spectrum, LVPECL; 122.88 MHz; PFD = 15.36 MHz;
–100
–110
–100
–110
2.1
1.9
1.7
1.5
1.3
1.1
0.9
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
10
10
1.45
0
Figure 12. PFD/CP Spurs; 122.88 MHz; PFD = 15.36 MHz;
0
CENTER 122.88MHz
CENTER 122.88MHz
Figure 11. VCO Tuning Voltage vs. Frequency
LBW = 135 kHz; I
LBW = 135 kHz; I
1.50
1.55
FREQUENCY (GHz)
CP
CP
1.60
= 3 mA; f
= 3 mA; f
100kHz/DIV
5MHz/DIV
1.65
VCO
VCO
= 1.475 GHz
= 1.475 GHz
1.70
1.75
SPAN 50MHz
SPAN 1MHz
1.80
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1600
1400
1200
1000
–0.2
–0.6
–1.0
–0.2
–0.6
–1.0
800
1.0
0.6
0.2
1.0
0.6
0.2
0
0
0
Figure 15. LVPECL Output (Differential) @ 1600 MHz
Figure 14. LVPECL Output (Differential) @ 100 MHz
Figure 16. LVPECL Differential Swing vs. Frequency
5
1
FREQUENCY (GHz)
10
TIME (ns)
TIME (ns)
1
15
2
20
AD9518-4
25
2
3