參數(shù)資料
型號(hào): CXB1828ER
英文描述: OPTICAL COMMUNICATIONS 2.5Gbps Laser Diode Driver (19 pages 224K Rev. E01Y22-PS)
中文描述: 光通信2.5Gbps的激光二極管驅(qū)動(dòng)器(19頁(yè)224K牧師E01Y22聚苯乙烯)
文件頁(yè)數(shù): 3/4頁(yè)
文件大?。?/td> 80K
代理商: CXB1828ER
–3–
Photo
Diode
Pre-Amp
Post-Amp w/ signal detect
CXB1820
Signal
Detector
Clock /
Data
Recovery
De-
Mux
1:n
Clock
Data
Figure 2. Typical Receiver Unit for SONET / SDH Fiber System
or printed circuit board. This leads to cost sav-
ings to the designer on both fiber-based data
communication and telecom solutions. The
typical signal which is received from a pre
amplifier is weak, so the post amplifier should
have high sensitivity; this high sensitivity is
provided in the CXB1820.
The evaluation board is equipped with a
dual supply capability in order to connect
ECL outputs to measuring instruments.
Other features for the post-amp include:
Auto offset cancel circuit
Signal interruption alarm output
Stabilized Signal Detect output function
TTL/ECL/PECL support
Squelch circuit
Application
Typical applications for the post amp are:
SONET /SDH transmission systems and
modules.
OC-48 fiber optic modules
Gigabit Ethernet
Fiber Channel up to 2.1Gbps
This gives the customer an additional
option to choose clock data recovery (CDR)
integrated with post-amp or independent
CDR. The interface between the post-amp and
the CDR is an industry standard. The basic
approach to accomplish the CDR adopted is
through Phase Lock Loop (PLL).
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