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參數(shù)資料
型號: S3040B
廠商: Applied Micro Circuits Corp.
英文描述: SONET/SDH Clock Recovery Unit(帶片上高頻鎖相環(huán)的SONET/SDH時鐘恢復(fù)單元)
中文描述: SONET / SDH的時鐘恢復(fù)單元(帶片上高頻鎖相環(huán)的SONET / SDH的時鐘恢復(fù)單元)
文件頁數(shù): 1/13頁
文件大小: 117K
代理商: S3040B
S3040B
S3040B
BiCMOS PECL CLOCK GENERATOR
1
April 6, 2000 / Revision NC
DEVICE
SPECIFICATION
FEATURES
Micro-power Bipolar technology
Complies with Bellcore, and ITU-T specifica-
tions for jitter tolerance, jitter transfer and
jitter generation
On-chip high frequency PLL with internal
loop filter for clock recovery
Supports clock recovery for
OC-48/STM-16
(2488.32 Mbit/s)
NRZ data
155.52 MHz reference frequency
Lock detect—monitors frequency
Low-jitter serial interface
+5 V supply
32 TQFP Package
GENERAL DESCRIPTION
The function of the S3040 clock recovery unit is to
derive high speed timing signals for SONET/SDH-
based equipment. The S3040 is implemented using
AMCC’s proven Phase Locked Loop (PLL) technology.
The S3040 receives an OC-48/STM-16 scrambled
NRZ signal and recovers the clock from the data.
The chip outputs a differential bit clock and retimed
data.
The S3040 utilizes an on-chip PLL which consists
of a phase detector, a loop filter, and a Voltage
Controlled Oscillator (VCO). The phase detector
compares the phase relationship between the VCO
output and the serial data input. A loop filter con-
verts the phase detector output into a smooth DC
voltage, and the DC voltage is input to the VCO
whose frequency is varied by this voltage. A block
diagram is shown in Figure 2.
Figure 1. System Block Diagram
N
P
S
S3041
MUX
S3042
DeMUX
S3042
DeMUX
S3041
MUX
OTX
ORX
OTX
ORX
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
N
P
S
S3040
S3040
相關(guān)PDF資料
PDF描述
S3040 OC-48 Clock Recovery Unit(OC-48時鐘恢復(fù)單元)
S3041 SONET/SDH/ATM OC-48 8:1 Transmitter(帶片上高頻鎖相環(huán)的8選1 SONET/SDH傳送器(集成SONET OC-48接口器件))
S3042 SONET/SDH/ATM OC-48 1:8 Receiver(帶片上高頻鎖相環(huán)的1:8 SONET/SDH接收器(集成SONET OC-48接口器件))
S3043 SONET/SDH/ATM OC-48 16:1 Transmitter(帶片上高頻鎖相環(huán)的16選1 SONET/SDH傳送器(集成SONET OC-48接口器件))
S3044 SONET/SDH/ATM OC-48 1:16 Receiver(帶片上高頻鎖相環(huán)的1:16 SONET/SDH接收器(集成SONET OC-48接口器件))
相關(guān)代理商/技術(shù)參數(shù)
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S304120 制造商:Microsemi Corporation 功能描述:1.2KV 40A 2PIN DO-5 - Bulk
S304-13-104-38-700700 制造商:Mill-Max Mfg Corp 功能描述:
S3041A 制造商:AppliedMicro 功能描述:
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