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The Model AT-130
is
designed to satisfy your
antenna-tuning requirements.
It
has been manu-
factured with the quality and performance that
makes
Kenwood "The Pacesetter in Amateur
Radio".
This unit has been carefully engineered and manu-
factured under rigid quality standards, and should
give you satisfactory and dependable operation
for many years.
Should any trouble arise with this unit, please
contact the authorized
KENWOOD
dealer from
whom you purchased the item.
AFTER UNPACKING
Shipping Container: Save the boxes and packing
in the event your unit needs to be transported
for remote operation, maihtenance, or service.
The following explicit definitions apply in this
manual.
NOTE: If disregarded, inconvenience only.
No risk of equipment damage or per-
sonal injury.
CAUTION: Equipment damage may occur, but
not personal injury.
FEATURES
1.
The AT-130
is
a
high performance H
F
antenna
tuner and
is
a
modification of the popular
AT-200 antenna tuner. The AT-130 is
sma!l
and light, and is suitable not only for opera-
tion in your HAM shack but also for mobile
or field operation.
2.
The AT-130 consists of an antenna coupler, an
SWR
meter, and an antenna switch.
3.
The AT-130 is designed to be used on the
w
Amateur bands between 3.5 MHz and 30 MHz.
4.
Antenna MATCHING or THROUGH opera-
tion is BAND-switch selected.
5. The SWR meter operates in both THROUGH
and MATCHING modes.
6.
A mounting bracket is included for mobile
operation.
7.
The panel meter can be illuminated
by
an
external power source.
8.
The antenna matching circuit
is
also effective
in reducing TVI since
it
acts
as
a
band-pass
CONTENTS
................
AT-130 Specificat ions
3
Section 1. Preparation for Use
..........
4
....
Section
2.
Controls and their functions
5
Section
3.
Operation
................
6
Section
4.
Circuit Description
..........
9
Section
5.
Additional Information
.....
10
Schematic Diagram
.................
1 1