Rohde & Schwarz FSV3000, Руководство пользователя

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Contents
R&S
®
FSVA3000/ R&S
®
FSV3000
14 User Manual 1178.8520.02 ─ 08
6.3.3 Keeping the center frequency stable - signal tracking................................................ 451
6.3.4 How to define the frequency range............................................................................. 452
6.3.5 How to move the center frequency through the frequency range............................... 452
6.4 Amplitude and vertical axis configuration..............................................................453
6.4.1 Impact of the vertical axis settings.............................................................................. 453
6.4.1.1 Reference level........................................................................................................... 453
6.4.1.2 RF attenuation.............................................................................................................454
6.4.1.3 Scaling........................................................................................................................ 455
6.4.2 Amplitude settings.......................................................................................................455
6.4.3 Scaling the y-axis........................................................................................................ 460
6.4.4 How to optimize the amplitude display........................................................................462
6.5 Bandwidth, filter and sweep configuration.............................................................463
6.5.1 Impact of the bandwidth, filter and sweep settings..................................................... 463
6.5.1.1 Separating signals by selecting an appropriate resolution bandwidth........................ 464
6.5.1.2 Smoothing the trace using the video bandwidth......................................................... 465
6.5.1.3 Coupling VBW and RBW............................................................................................ 465
6.5.1.4 Coupling span and RBW.............................................................................................466
6.5.1.5 How data is measured: the sweep type...................................................................... 466
6.5.1.6 Which data may pass: filter types............................................................................... 468
6.5.1.7 How long the data is measured: Sweep Time ............................................................468
6.5.1.8 How much data is measured: sweep points and sweep count................................... 469
6.5.1.9 How often data is measured: sweep mode................................................................. 469
6.5.2 Bandwidth, filter and sweep settings...........................................................................470
6.5.3 Reference: list of available RRC and Channel filters.................................................. 478
6.6 Trigger and gate configuration................................................................................ 480
6.6.1 Triggering.................................................................................................................... 480
6.6.1.1 Triggered measurements............................................................................................ 480
Trigger source............................................................................................................. 481
Trigger offset............................................................................................................... 481
Trigger hysteresis........................................................................................................481
Trigger drop-out time...................................................................................................482
Trigger holdoff............................................................................................................. 483
6.6.1.2 Trigger settings............................................................................................................484