參數(shù)資料
型號： IBM42P12SNYAA10
廠商： IBM Microeletronics
英文描述： Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道熱插收發(fā)器)
中文描述： 千兆以太網(wǎng)/光纖通道纖巧熱插拔收發(fā)器（吉（10 ^ 9政）位以太網(wǎng)/光纖通道熱插收發(fā)器）
文件頁數(shù)： 16/34頁
文件大?。?/td> 181K
代理商： IBM42P12SNYAA10
IBM42P10SNYAA10 IBM42P12SNYAA10
IBM42P10LNYAA10 IBM42P12LNYAA10
Gigabit Ethernet/Fibre Channel Small Form Factor Hot-Pluggable Transceiver
Page 16 of 33
08/15/00
Transmitter Specifications
Symbol
Parameter
Min
Typical
Max
Units
Notes
λ
C
Spectral Center Wavelength
1290
1335
nm
λ
Spectral Width
2.5
nm (rms)
PT
Launched Optical Power
-9.5
-3.0
dBm (avg)
1
T
rise
/T
fall
Optical Rise/Fall Time
150
ps
2
Optical Extinction Ratio (1.25Gb/s)
9
dBm
3
OMA
Optical Modulation Amplitude (1.0625Gb/s)
189
μ
W
4
RIN
12
Relative Intensity Noise
-120
dB/Hz
5
Eye Opening
0.57
UI
6
DJ
Deterministic Jitter (1.0625Gb/s)
0.20
UI
7
1. Launched optical power is measured at the end of a two meter section of a 9/125
μ
m fiber for the SFF-PGG-1063/1250-LW. The
maximum and minimum of the allowed range of average transmitter power coupled into the fiber are worst case values to account
for manufacturing variances, drift due to temperature variations, and aging effects. The minimum launched optical power specified
assumes an infinite extinction ratio at the minimum specified OMA.
2. Optical transition time is the time interval required for the rising or falling edge of an optical pulse to transition between the 20% and
80% amplitudes relative to the logical 1 and 0 levels. This is measured through a 4th order Bessel -Thompson filter with 0.75 * Data
Rate 3-dB bandwidth and corrected to the full bandwidth value.
3. Extinction Ratio is the ratio of the average optical power (in dB) in a logical level one to the average optical power in a logical level
zero measured under fully modulated conditions with a pattern of five 1s followed by five 0s, in the presence of worst case reflec-
tions.
4. Optical Modulation Amplitude (OMA) is defined as the difference in optical power between a logical level one and a logical level
zero. The OMA is defined in terms of average optical power (P
AVG
in
μ
W) and extinction ratio (ER) as given by OMA=2P
AVG
((ER-
1)/(ER+1)). In this expression, the extinction ratio, the ratio of the average optical power (in
μ
W) in a logical level one to the aver-
age optical power in a logical level zero measured under fully modulated conditions in the presence of worst case reflections, must
be the absolute (unitless linear) ratio and not expressed in dB.
5. RIN
12
is the laser noise, integrated over a specified bandwidth, measured relative to average optical power with 12 dB return loss.
See ANSI Fibre Channel Specification Annex A.5.
6. Eye opening is the portion of the bit time where the bit error rate (BER) is < 10
-12
.
7. Deterministic Jitter is defined in Ref [1][2].
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