Rigol DSA875 Manuel d'utilisateur télécharger pdf (Page 10)

RIGOL

DSA800 Options and Accessories

VSWR Measurement Kit

VSWR-DSA800 option (used together with the tracking generator function and the

VB1020, VB1040 or VB1080 option) provides measurement functions of S11-related

specifications (such as the return loss, reflection coefficient and VSWR).

Press Meas at the front panel and then press VSWR to enable the VSWR

measurement function. The screen is divided into two windows with the upper

window (the basic measurement window) displaying the sweep trace and the lower

window displaying the measurement wizard and measurement results. Perform two

measurements respectively according to the measurement wizard in the lower

window: measurement with the device under test disconnected (Meas Setup 

Cal Open, represented by trace 2) and measurement with the device under test

connected (Meas Setup  VSWR, represented by trace 1). The return loss is

determined by the difference (represented by the math trace) of the results of the

two measurements and the reflection coefficient and VSWR are determined by the

return loss.

VB1020/VB1040/VB1080

Device under Test

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Rigol DSA875 Manuel d'utilisateur Page 10