QSFP28 Direct Attach Cables tau ua raws li SFF-8665 specifications. Ntau yam kev xaiv ntawm cov hlau ntsuas muaj nyob ntawm 30 txog 26 AWG nrog ntau txoj kev xaiv ntawm cable ntev (txog 5m).
Nta
`Ua raws li SFF- 8665
Mus txog 28.3125Gbps cov ntaub ntawv tus nqi ib channel
'Txog 5m kis tau tus mob
Kev khiav hauj lwm kub: 0 ~ 70 degree
Ib qho 3.3V fais fab mov
'Raws li RoHS
Cov txiaj ntsig
'Tus nqi-zoo tooj liab tov
'Lowest tag nrho system zog daws
'Txuag tag nrho qhov system EMI daws
'Optimized tsim rau teeb liab kev ncaj ncees
Kev kub ceev yam ntxwv
|
Parameter |
Cim |
Min. |
Ntaus |
Max. |
Chav tsev |
Sau ntawv |
|
Differential impedance |
Zd |
90 |
100 |
110 |
Ω |
|
|
Differential Input Rov Los Loss |
SDDXX |
<-12+2* SQRT (f) with f in GHz |
dB |
0.01 ~ 4.1GHz |
||
|
<-6.3+13*Log10/(f/5.5) with f in GHz |
dB |
4.1 ~ 19 GHz |
||||
|
Hom Hom Tso Tawm Rov Los Poob |
SCCXX |
< -7+1.6*f with f in GHz |
dB |
0.01 ~ 12.89GHz |
||
|
|
dB |
12.89-19 GHz |
Gbps |
|
||
|
Qhov txawv Waveform Distortion Penalty |
dWDPc |
|
|
6.75 |
dB |
|
|
VMA Loss |
L |
|
|
4.4 |
dB
|
|
|
VMA Poob rau Crosstalk Ratio |
VCR |
32.5 |
|
|
dB |
|
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