Theory of Operation
3-8 2715 Spectrum Analyzer Service Manual
Display System
The Display System consists of the Vertical Display circuit, HorizontalDisplay
circuit, and Z Axis circuit. See Figure 3--2.
The Display System has three possible display modes. The active spectrum
display mode displays the incoming signal. The static spectrum display mode
displays stored signals from memory.The video monitor mode displays live
video signals.
DSHOR
DSVER
LOGVIDEO
CRTINTS
VIDZ
VIDVERT
SWP
Log
Amplifier
Display
Storage
Sweep
Partof Power Supply Board
To Z Axis
Front
Panel
To Verti cal
DeflectionPlates
ToHorizontal
DeflectionPlates
Figure 3- 2: DisplaySyst em Diagram