Agilent Technologies J-BERT N4903B Manual de usuario descargar pdf (Pagina 25)

PCIe 3.0 Calibration Channels

N4915A-014

-25

-20

-15

-10

-5

1 1.5 2 2.5 3 3.5 4

Breakout Channel Only

Breakout + Short Calibration Channel

Breakout + Long Calibration Channel

Frequency / GHz

/ dB

-20 ± 2dB

-12 ± 2dB

-2.5 ± 1dB

-1.0 ± 1dB

-4.0 ± 1dB

-6.5 ± 1.5dB

 ISI Channels in external box (similar to SATA)

 Connectors: SMA/3.5mm female

 Includes suitable coupler on their input to add Interference such that

 BW high enough matching subsequent channel

 -

suited for N4916B 14G (hi-want: suited for existing N4916B)

 Loss such that

the whole test set-up fulfils

the PCIe3 base specs

(orange-green & orange-blue)

assuming 2.5dB @ 4GHz

for the break-out channel

breakout

short+ breakout

long+breakout

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Agilent Technologies J-BERT N4903B Manual de usuario Pagina 25