Technical Instruction

Page 7-2 VSHD Exciter Technical Instruction Manual
Issue 2.0 Section 7 Electrical Schematics and Assembly Detail Drawings
7.6 UNIQUE SYMBOLOGY
Nautel utilizes unique symbology on electrical schematics to describe two-state (logic)
inputs/outputs that differ from those inputs/ outputs having only one distinct state or multiple
states (analog).
7.7 IDENTIFICATION OF SCHEMATIC DIAGRAMS
A number that is both the figure number and the page number identifies each illustration in this
section. The numbers are assigned sequentially and are prefixed by the “Figure'. The electrical
schematics/logic diagrams included in this section are listed in Table 7-1.
7.8 TROUBLESHOOTING AIDS
Waveforms and/or voltage levels are provided on some electrical schematics to aid in
troubleshooting. Where applicable, accompanying text is included to establish conditional
operating parameters that apply to the corresponding waveforms or voltages.
7.9 STRUCTURE OF SCHEMATICS
The electrical schematics are structured in a hierarchical format that is based on function and
signal flow. Wherever practical, the signal flow is from left to right. Inputs normally originate on
the left-hand side and outputs will extend to the right-hand side. Exceptions are shown by an
arrow indicating the direction of signal flow.
Table 7-1: List of Drawings
Figure
Description
Figure 7-1
Electrical Schematic Interconnection Between VS Transmitter and VSHD Exciter
Figure 7-2
Electrical Schematic VS300 & VSHD Exciter (Control/Monitor Stage)
Figure 7-3
Electrical Schematic VS300 & VSHD Exciter (RF Drive & RF Power Stage)
Figure 7-4
Assembly Detail Modified VS300 for use with VSHD Exciter
Figure 7-5
Electrical Schematic VS1 & VSHD Exciter (Control/Monitor Stage)
Figure 7-6
Electrical Schematic VS1 & VSHD Exciter (RF Drive & RF Power Stage)
Figure 7-7
Electrical Schematic VS2.5 & VSHD Exciter (Control/Monitor Stage) Sheet 1 of 2
Figure 7-8
Electrical Schematic VS2.5 & VSHD Exciter (Control/Monitor Stage) Sheet 2 of 2
Figure 7-9
Electrical Schematic VS2.5 & VSHD Exciter (RF Drive & RF Power Stage)
Figure 7-10
Electrical Schematic VSHD Exciter (NAE103B)
Figure 7-11
Assembly Detail VSHD Exciter Top View (cover removed)