Heathkit IG-4505 - Page 2

Page 2
INTRODUCTION
The Heathkit Model 1G-4505 Oscilloscope Calibrator is an
accurate, crystal-controlled, fast-rise square wave generator.
It provides you with the accurate time and amplitude signals
you need to calibrate Heathkit Oscilloscopes, as well as most
other oscilloscopes.
The time (or period) signals (.5 s to 1 ys) are the fast-rise
(less than 4 ns) square waves you need to adjust oscilloscope
sweep speeds, delay line terminations, and high frequency
compensation. A terminated output cable prevents ringing
and assures a good frequency response of the time signal.
The accurate voltage signals (1 mV to 100 V) are used for
oscilloscope vertical calibration and attenuator
compensation.
The Calibrator also serves equally well as a bench standard.
It can be used to calibrate other test equipment or as a signal
source when you build or test experimental circuits.
Refer to the “Kit Builders Guide’ for additional
information on parts identification, tools, wiring and
soldering.
PARTS LIST
Check each part against the following ‘ist. Make a check
mark in the space provided (Vv) as you identify each part.
Any part that is packed in an individual envelope with a part
number on it should be placed back in the envelope after
you identify it until it is called for in a step. Do not discard
any packing materials until all parts are accounted for.
To
order
a
replacement
part,
always
include
the
PART
NUMBER.
Use
the
Parts
Order
Form
furnished
with
this
kit.
if
one
is
not
available,
see
‘“Replacement
Parts’’
inside
the
rear
cover
of
the
Manual.
Your
Warranty
is
located
inside
the
front
cover.
For
pricing
information,
refer
to
the
separate
“Heath
Parts
Price
List.”
Each circuit part in this kit has its own “‘circuit component
number” (R2, C4, 0101, etc.). This is a specific number for
only that one part. The purpose of these numbers is to help
you easily identify the same part in each section of the
Manual. These numbers will appear:
_ In the Parts List;
_ At the beginning of each
component is installed;
step where a
- In some illustrations;
- On the Schematic;
_ In the sections at the rear of the Manual.