Wavetek 142 - Circuit Description

SECTION
3
CIRCUIT
DESCRIPTION
3.1
SIMPLIFIED
BLOCK
DIAGRAM
ANALYSIS
Refer
to
Figure 3-1,
the
Simplified
Block
Diagram,
and
Figure 3-2,
the
Simplified
Timing
Diagram,
when
reading
this
description.
Paragraph
3.2
and its
sub-paragraphs
pro-
vide
further
descriptions
of the
functions
of the
basic
circuits
comprising
this
instrument.
This
paragraph de-
scribes,
briefly,
the
major
circuit
elements and
their
relationship to
one
another.
As
shown in
Figure
3-1,
the
VCG
Summing
Amplifier sums
the
currents
from
the
FREQ
DIAL,
VERNIER,
and
Figure
3-1
-
Simplified
Block
Diagram
3-1