QT2022/32 - Data Sheet: DS3051
1
2
2
Table 66: EREFCLK, TXPLLOUT , SREFCLK and VCXOI Input Specifications (Continued)
Parameter
Description
Min
Typ
Max
-85
Units
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Conditions
single side-band phase noise @ 1kHz
single side-band phase noise @ 10kHz
single side-band phase noise @ 100kHz
single side-band phase noise @ 1MHz
single side-band phase noise @ 10MHz
155/156/159 MHz Reference clock:
single side-band phase noise @ 1kHz
single side-band phase noise @ 10kHz
single side-band phase noise @ 100kHz
single side-band phase noise @ 1MHz
single side-band phase noise @ 10MHz
To meet SONET jitter
requirements.
-105
-125
-130
-130
-105
-125
-140
-140
-140
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
To meet SONET jitter
requirements.
1. Applies when TXPLLOUT configured as an input.
2. QT2032 only.
3. The device will work properly in WAN mode with +-100ppm frequency tolerance. However, SONET com-
patible applications require a +-20ppm tolerance.
192
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