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| 型號： | CDC421XXX |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | FULLY INTEGRATED FIXED FREQUENCY LOW-JITTER, CRYSTAL-OSCILLATOR CLOCK GENERATOR |
| 中文描述： | 完全集成的固定頻率低抖動(dòng)，晶體振蕩器時(shí)鐘發(fā)生器 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 507K |
| 代理商： | CDC421XXX |
www.ti.com
CDC421xxx
SLAS540–APRIL 2007
Table 8. Phase Noise Parameters With LVCMOS Input of 31.2500 MHz and LVPECL Output at 250.00 MHz
PARAMETER
MIN
TYP
MAX
UNIT
Phase Noise Specifications Under Following Conditions: f
in
= 31.2500 MHz, f
out
= 250.00 MHz
phn
100
Phase noise at 100 Hz
phn
1K
Phase noise at 1 kHz
phn
10k
Phase noise at 10 kHz
phn
100k
Phase noise at 100 kHz
phn
1M
Phase noise at 1 MHz
phn
10M
Phase noise at 10 MHz
phn
20M
Phase noise at 20 MHz
J
RMS
RMS jitter integrated from 12 kHz to 20 MHz
Tj
Total jitter
Dj
Deterministic jitter
–103
–112
–121
–124
–134
–148
–149
420
36.98
18.52
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs
ps
ps
Table 9. Phase Noise Parameters With LVCMOS Input of 31.2500 MHz and LVPECL Output at 312.50 MHz
PARAMETER
MIN
TYP
MAX
UNIT
Phase Noise Specifications Under Following Conditions: f
in
= 31.2500 MHz, f
out
= 312.50 MHz
phn
100
Phase noise at 100 Hz
phn
1K
Phase noise at 1 kHz
phn
10k
Phase noise at 10 kHz
phn
100k
Phase noise at 100 kHz
phn
1M
Phase noise at 1 MHz
phn
10M
Phase noise at 10 MHz
phn
20M
Phase noise at 20 MHz
J
RMS
RMS jitter integrated from 12 kHz to 20 MHz
Tj
Total jitter
Dj
Deterministic jitter
–102
–111
–120
–123
–135
–147
–147
378
29.82
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
fs
ps
ps
11
7
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