Tektronix RSA3408B, Service Manual

Page: 37 / 250

Brief Procedures
RSA3408B Analyzer Service Manual
3- 5
Marker readout
Status indicator
Marker
Figure 3- 1: Spectrum of the calibration signal (100 MHz, - 20 dBm)
5. Check the center frequency and peak amplitude using the marker:
a. Press the Peak key on the front panel to place the marker on the peak
(see Figure 3--1).
b.
Check the marker readouts on screen. The frequency should be 100 MHz
and the amplitude should be approximately --20 dBm.
c.
Press
Marker Setup
>
Markers
>
Off
.
Check that the marker disappears.
6. Check the RBW (Resolution Bandwidth) while changing the span setting.
a. Press the Span key on the front panel.
b. Confirm that the span is 36 MHz and the RBW is 100 kHz in the setup
display on the upper part of the screen (see Figure 3--2).