Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS84327
CRYSTAL-TO-3.3V LVPECL
FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
TYPICAL PHASE NOISE
84327AM
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
10
622.08MHz
311.04MHz
155.52MHz
77.76MHz
19.44MHz Input
RMS Phase Noise Jitter
12K to 20MHz = 3.4ps (typical)
100
1k
10k
100k
1M
10M
OFFSET FREQUENCY (HZ)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
10
625MHz
312.5MHz
156.25MHz
78.125MHz
25MHz Input
RMS Phase Noise Jitter
12K to 20MHz = 3.2ps (typical)
100
1k
10k
100k
1M
OFFSET FREQUENCY (HZ)
www.icst.com/products/hiperclocks.html
5
10M
REV. A SEPTEMBER 18, 2003