Comtech-ef-data MIDAS Transmit and Receive Levels Manual do Utilizador descarregar pdf (Página 12)

Transmit and Receive Levels, Operator’s Guide, Rev.0

Introduction 1-2

Procedure

From any earth station generate a CW in the space segment allocated for the

network under test. Make sure that the power level of the CW does not saturate

the satellite. Measure and record the level of the CW across the receive path in

the site under test.

U/C

SSPA /

HPA

MODEM

JI HGFEDCB A

Point Device Value ( dBm)

A Modem output

B Combiner input

C Combiner att.

D Combiner output

E IFL loss

F U/C input

G U/C gain

H U/C output

I W/G loss

J SSPA/HPA input

K SSPA/HPA output

A LNA output

B Line loss

C D/C input

D D/C gain

E D/C ouput

F IFL loss

G Splitter input

HSplitter loss

I Splitter input

J Modem input

D/C

LNA

MODEM

AB CD EFGHI J

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Comtech-ef-data MIDAS Transmit and Receive Levels Manual do Utilizador Página 12