SY69753L 데이터 시트보기 (PDF) - Micrel

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SY69753L

3.3V, 125Mbps, 155Mbps Clock and Data Recovery

Micrel 

Micrel, Inc.

Input Jitter Tolerance

Input jitter tolerance is defined as the peak-to-peak

amplitude of sinusoidal jitter applied on the input

signal that causes an equivalent 1dB optical/electrical

power penalty. SONET input jitter tolerance

requirement condition is the input jitter amplitude that

causes an equivalent of 1dB power penalty.

SY69753L

Jitter Transfer

Jitter transfer function is defined as the ratio of jitter on

the output OC-N/STS-N signal to the jitter applied on

the input OC-N/STS-N signal versus frequency. Jitter

transfer requirements are shown in Figure 2.

Jitter Generation

The jitter of the serial clock and serial data outputs

shall not exceed .01 U.I. rms when a serial data input

with no jitter is presented to the serial data inputs.

OC/STS-N f0

f1

f2

f3

ft

Level

(Hz) (Hz)

(Hz)

(Hz)

(Hz)

3

10

30

300

6.5

65

Figure 1. Input Jitter Tolerance

OC/STS-N

Level

3

fc

(kHz)

130

P

(dB)

0.1

Figure 2. Jitter Transfer

December 2007

7

M9999-120307-F

hbwhelp@micrel.com or (408) 955-1690

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