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參數(shù)資料
| 型號(hào)： | R480 |
| 英文描述： | R480-Type Lightwave Receiver with CML Data Output for up to 2.488 Gbits/s Applications |
| 中文描述： | R480 -高達(dá)2.488磁錄密度型光波接收機(jī)CML數(shù)據(jù)輸出/ s應(yīng)用 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 76K |
| 代理商： | R480 |
R480-Type Lightwave Receiver with CML Data Output
for up to 2.488 Gbits/s Applications
Data Sheet, Rev. 1
September 2001
Manufactured in a low-profile, 24-pin package, the R480-Type
receiver features either an avalanche or PIN photodetector, a
transimpedance amplifier, and a limiting amplifier IC.
Features
I
Multisourced footprint
I
Internal APD bias supply
I
Differential CML data output
I
APD and PIN versions
I
Typical sensitivity:
—APD, –32 dBm
—PIN, –23 dBm
I
Operation at 1.3
μ
m or 1.55
μ
m
I
TTL link status flag
I
Wide operating case temperature range:
—APD, 0
°
C to +85
°
C
—PIN, –40
°
C to +85
°
C
I
Space-saving, self-contained, 24-pin DIP
I
Agere Systems Inc. Reliability and Qualification
Program for built-in quality
I
SONET/SDH compatible for OC-48/STM-16 data
rate
Applications
I
Telecommunications:
— Inter- and intraoffice SONET/SDH
— Subscriber loop
— Metropolitan area networks
I
High-speed data communications
Description
The R480-Type 2.5 Gbits/s lightwave receiver is
designed for use in SONET and synchronous digital
hierarchy (SDH) telecommunications applications up
to OC-48 and STM-16 data rates, and high-speed
data communications applications. The receiver con-
verts received optical signals in the range of 1.2
μ
m
to 1.6
μ
m wavelength into differential CML data out-
puts. The receiver consists of either an InGaAs APD
or PIN photodetector (depending on model selected),
a transimpedance amplifier, and a limiting amplifier
that provides differential CML data output. A TTL
compatible link status flag signal indicates when
there is a loss of optical signal.
The receiver is manufactured in a low-profile, pig-
tailed, 24-pin plastic DIP package. It requires a sin-
gle, 5.0 V power supply. The APD version has the
added benefit of containing the high-voltage supply
internal to the receiver. This internal supply also pro-
vides the necessary temperature compensation for
the APD. An analog photodetector monitor provides a
voltage proportional to the optical input level voltage
(OILV).
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