參數(shù)資料
型號(hào)： IBM42F12LNNAA30
廠商： IBM Microeletronics
英文描述： Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道PTH收發(fā)器)
中文描述： 千兆以太網(wǎng)/光纖通道纖巧甲狀旁腺收發(fā)器（吉（10 ^ 9政）位以太網(wǎng)/光纖通道甲狀旁腺收發(fā)器）
文件頁(yè)數(shù)： 13/24頁(yè)
文件大?。?/td> 212K
代理商： IBM42F12LNNAA30
IBM42G12SNNAA30 IBM42G10SNNAA30
IBM42G12LNNAA30 IBM42G10LNNAA30 IBM42F12LNNAA30 IBM42F10LNNAA30
Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver
IBM42F12SNNAA30 IBM42F10SNNAA30
..
08/15/00
Page 13 of 23
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-PTH-1063/1250-LW-
2X5/2X6. The maximum and minimum of the allowed range of average transmitter power coupled into the fiber are worst case val-
ues 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 logic level one and a logic 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 logic level one to the average
optical power in a logic 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].
相關(guān)PDF資料
PDF描述
IBM42G12LNNAA30 Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道PTH收發(fā)器)
IBM42F12SNNAA30 Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道PTH收發(fā)器)
IBM42G12SNNAA30 Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道PTH收發(fā)器)
IBM42G10SNNAA30 Gigabit Ethernet/Fibre Channel Small Form Factor PTH Transceiver(吉（10^ 9 G)位以太網(wǎng)/光纖通道PTH收發(fā)器)
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