Popular_Electronics 1966-11.pdf

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ELECTRON
Solid State
Converter
Tales
200-18,00D
kHz
ELECTRONICS COMES
ALIVE WITH CUSTOM
TRAINING KITS
You
get
your
hands
on ac-
tual parts
and
use
them to
GET
A
FAST
START WITH
NRI'S ABSORBING,
NEW
ACHIEVEMENT KIT
Delivered to
your door
everything
you
need
to
make
a
significant start
in
-
the Electronics field of
your choice! This
new
starter kit
is
an
outstand-
ing,
logical
way
to
intro-
duce you to
NRI.
What's
in
it?
Your
first
group
of
lesson
texts;
a
rich
vinyl
desk
folder
to hold
your
study material; the
indus-
build, experiment, explore,
discover.
NRI
pioneered
and
perfected the
"home
lab" technique
of learning
at home
in
spare
time.
Nothing
is
as
effective
as
learning
by
doing.
That's
why
NRI
puts
emphasis
on
equipment,
and
why it
in-
"BITE- SIZE"
LESSON
TEXTS PROGRAM YOUR
TRAINING
AT HOME
Certainly,
lesson
texts
are
vites comparison
with
try's
most
complete
Radio
-TV
Electronics
Dic-
tionary; valuable
refer-
ence
texts;
lesson answer
sheets;
pre-
addressed
en-
velopes;
pencils;
pen;
engineer's ruler,
and
even
postage.
No
other
school
has
anything
like
it.
equipment
offered
by
any
other
school.
Begin now
this exciting
program
of
practical learning
created
by
NRI's
Research and
De-
velopment Laboratories.
It's the
best way to under-
stand
fully
the skills of the
necessary. NRI's
pro-
grammed texts
are
as
simple,
direct
and
well
il-
lustrated
as
50
years of
teaching experience
can
make them. They
are care-
fully
programmed with
NRI
training
kits to make the
things
you read
about
come alive.
You'll
experi-
ence
all
the
excitement
of
original
discovery.
HOBBY?
CAREER?
PART-TIME
EARNINGS:
MAIL COUPON
TO NR
Whatever
your
reason
t-
wanting
to increase
yo
knowledge of Electroni
whatever
your
educ
.
.
finest
technicians
-and
make
their
techniques
your
own.
Available
Under
NEW
GI BILL
If
you served
since January 31,
GI
1955, or are
in
service,
check
line
in
postage-free card.
tion
there's
an
N
instruction
plan
to
fit
yo
needs.
Choose
from
thri
major
training
progran
in
Radio
-TV
Servicing,
I.
dustrial Electronics
ar
Communications
or sele'
one of nine
NRI course
in
specialized subject
Mail
coupon
for
NRI
cat
log. Find
out
how
you
ca
train
at home
this
exci
ing,
rewarding
way.
DISCOVER THE
EXCITEMENT
OF
NRI
ELECTRONICS
TRAINING
Founded 50 years ago
the
days of wireless
-NRI
pioneered
the
"learn
-by-
doing"
method of home -study.
Today,
NRI is
the oldest, largest home -study
Electronics School,
offering
the kind of
instruction that
makes
learning exciting,
fast.
You
build, test, experiment, explore. Whatever
your interest, your
need,
your education, investigate the
wide
variety of
NRI
training
plans
find out
about the
NRI
Achievement
Kit. Cut
out
and
mail the postage -free card
now.
No
salesman will call. NATIONAL
RADIO
INSTITUTE,
Electronics Division,
Washington,
D.C.
20016.
-in
...
Pick your
field of
ELECTRONICS
Now
NRI
offers
you
12
ways
to train
at
home in
spare
time
Any
training
-if
it
is
to
be
worth your
time and
money
-must
give
you the knowledge and the
skills you seek, the knowledge and the skills
employers want.
That's
why
NRI
puts emphasis
on providing
a
choice
of carefully developed train-
ing
plans
in
Electronics.
NRI
now offers you
12
12
ways to meet the
ways to
train
at
home
challenge of today's job
market
by
training
with
NRI for
a
career
in
Electronics, for part
-time
...
earnings, or simply for developing
a
new,
fascinat-
ing
hobby. The
proof
of the quality of
NRI
train-
ing
plans
is
in
its
record
of tens of
thousands
of
successful
graduates
and the
reputation
NRI
holds
throughout
the
Electronics industry.
Move
ahead
now
in
this exciting, growing
field.
Select
the
train-
ing
plans of most interest to you and mail the
postage
-free
card.
NATIONAL RADIO INSTITUTE,
Elec-
tronics Division, Washington,
D. C. 20016.
ELECTRONICS
FOR
AUTOMATION
TELEVISION -RADIO SERVICING
Training from fundamentals
to home
entertainment equipment.
Learn
to
fix
radios,
hi -fi
and
stereo
sets,
black
-
and
-white
and
color
TV,
etc.
A
profit-
able
field
full
or
part-time.
Comprehensive
training
teaches fun-
INDUSTRIAL -MILITARY
ELECTRONICS
From
basic
principles
to computers.
Not
for
beginners, but
for
men
with
some
knowledge of Electronics who
want
an
understanding
of process
control, ultrasonics,
telemetering
and
remote
control, electromechanical
measurements, other subjects.
AVIATION
COMMUNICATIONS*
Prepares
you
to
install, maintain,
damentals, then takes
you
into
such
modern
-day
miracles
as
servos, tele-
metry,
multi-
plexing, phase
circuitry,
others.
COMPLETE
COMMUNICATIONS*
Teaches and
provides actual practice
in
operation,
service,
maintenance
of
AM, FM,
and
TV
broadcasting
sta-
tions.
Also covers marine,
aviation,
mobile
radio,
facsimile, microwave,
radar.
FCC
service
direction finders,
ranges,
markers, Loran, Shoran,
Radar, land-
ing
systems.
Earn
your
FCC
License
with
Radar Endorsement.
MARINE
COMMUNICATIONS*
Covers
transmitters, direction
finders,
depth indicators.
Radar, Sonar,
other
equipment
on
commercial
ships.
pleasure boats. Prepares
for
FCC
License
with
Radar Endorsement.
Prepares
you
for
First
Class
FCC
Radiotelephone License
exams.
You
begin
with fundamentals,
advance to
required subjects covering
equip-
ment, procedures.
MATH
FOR
ELECTRONICS
A
brief
course
for
engineers
LICENSE*
MOBILE
COMMUNICATIONS*
Learn
to
install
and
maintain mobile
transmitters
and
receivers
used by
police
and
fire departments, public
utilities,
etc. Prepares
for
FCC
License.
ELECTRICAL
APPLIANCE REPAIR
construction
firms,
taxis,
quick
review
of essential math used
in
industry,
communications, government.
Basic
arithmetic
review,
short-cut formulas,
and
technicians
who need
a
Prepares you
quickly to repair
all
types
of
appliances,
including air
conditioning, refrigeration,
small
modern
digital
number systems,
much more.
BASIC ELECTRONICS
A
concise course
in
Electronic termi-
gasoline engines.
An easy,
practical
course leading to
profitable part-time
or
full
-time business of
your
own.
ELECTRONICS
FOR
PRINTERS
nology
and
components.
A
wealth of
useful
information
to help
you
better
understand
the
field.
For
anyone who
wants
a
basic
understanding
of
Radio
-TV
Electronics.
Designed to
teach operation
and
maintenance of Electronic equip-
ment which controls the latest
de-
vices developed
for
the graphic arts
industry.
From basic
principles
to
computer circuits.
Approved
by
major manufacturers.
*
course)
NOTE: You
must
pass
your
FCC
License exam (any
Communications
have
paid.
or
NRI
refunds
in
full
the
tuition
you
Over
50
Years
of
Leadership
in
Electronics
Training
November,
1966
www.americanradiohistory.com
POPULAR
ELECTRONICS
WORLD'S LARGEST -SELLING
ELECTRONICS
MAGAZINE
VOLUME
25
NOVEMBER,
1966
NUMBER
5
SPECIAL CONSTRUCTION
FEATURE
HARTLAND
B.
SMITH,
W8VVD
GC
-2
DELUXE CONVERTER
41
Make your
horn- band
-only receiver
cover broadcast band and
below
IL
FEATURE ARTICLES
JUST
WHEN
12
HANS
FANTEL
MURRAY
GELLMAN
HENRY
E.
CHURCH
I
FORGOT
MY
(SOLDERING)
GUN:
SEQUEL
2
48
49
53
57
59
64
ELECTRONIC
SAXOPHONE
DEBUT
WHY
ARE THEY STILL
INVENTING
SPEAKERS?
They may never
find
a
perfect speaker, but
they're trying
"COMPAC"
SOLID -STATE
C
-D
IGNITION
SYSTEM
Easier
cold- weather starts and more power
even
with toulr:d
spark plugs
DON
LANCASTER
ROBERT
L.
RUYLE,
IN
THE
DAYS
OF
SPARK
RESCUE
AT
SEA
"SQUARE DEAL" AUDIO
GENERATOR
Inexpensive integrated circuits
open new vistas for the
experimenter
-A
WOFCH,
KGI
-3471
L.
ANTENNA
PLACEMENT
DOES
MAKE
A DIFFERENCE
Field
tests
confirm
best
position for mobile antenna
HOMER
DAVIDSON
66
72
74
HOW
TO
INSTALL
AUTOMOBILE
STEREO TAPE
PLAYERS
Details
on
putting "Stereo S"
in
your
automobile
DAVID
B.
WEEMS
RUSSELL
J.
BIK
ZERO
-BEATING
THE
NEWS
FOUR
ON
THE
FLOOR
Handle more power
more
smoothly
CARL
KOHLER
77
79
...
a
la
"Cinderella"
A
LIGHTHOUSE
FOR SHORT
PEOPLE
DI- DI- DI- DI- DI- DI- DI-
DI
-DIT
Hiding
Christmas
gifts
SOLID
STATE
-the
hard way
LOU GARNER
FRANK G.
STIVER
HERB
S.
BRIER,
W9EGQ
82
85
87
88
89
90
91
92
127
6
VOLTAGE-
REGULATED BATTERY
POWER SUPPLY
AMATEUR
RADIO
New
Novice
examination
questions
ROBERT
P.
BALIN
ELECTRONIC
FACTOR
QUIZ
MATT
P.
SPINELLO, KHC2060
ROBERT
LEGGE
ON
THE
CITIZENS
BAND
DAIR rood
/vehicle
system
HANK
BENNETT,
W2PNA
BOB HILL
&
BILL
LEGGE
ENGLISH- LANGUAGE BROADCASTS
TO
NORTH AMERICA
SHORT
-WAVE
LISTENING
Those non
-verifying
point
-to
-point stations
BROADCASTS FROM CENTRAL
AND
SOUTH
AMERICA
SHORT
-WAVE MONITOR
CERTIFICATE
APPLICATION
DEPARTMENTS
14
15
22
27
30
32
FROM OUR
READERS
TIPS &
TECHNIQUES
LETTERS
READER SERVICE
PAGE
NEW
PRODUCTS
ELECTRONICS
LIBRARY
NEW
LITERATURE
OPERATION
ASSIST
Look,
Mrs.
Kohler, learn the code or else!
79
POPULAR ELECTRONICS is
indexed
in the
Readers' Guide
"Would
yoe
believe
Ins
Cinderella
?"
74
This
month's
Cov
er
photo
by
Brute
Pendleton
to
Periodical Literature
Copyright
P
1966
by
ZIFF -DAVIS PUBLISHING
COMPANY.
All rights
reserved.
POPULAR ELECTRONICS,
Nor,vi,,i
1966.
I
-nlmne
25.
Nand,
e
G.
Published monthly
nt
.lu; Volk
ll/chignn
Arvrrne
l'hicngo
Illivxis
Bolin L
Om
I
ii
.vu
Lam
pt iuu
nrh
for
t .,a'.
l'N.
Pos.', scions and
Canada.
.$':7,
un:
all
ether
',note i,s.
.pli.nu.
Simog
eiu.v.v
vastage
pnirl
at
Chicago,
Illinois
and otlu
e
mailing
o17i,
rn.
Snhscr
in/
ion
.scrim:
Pod land
79ncr,
Hamden t'uionrdo
Nn.Ur2.
,
E
WHERE CAN
YOU
EQUAL
THIS OPPORTUNITY
n,
TO
EARN
A
GOOD
PAYING
JOB
IN
A
FAST GROWING FIELD?
DeVRY'S
"BIG
3"
AIDS
TO
PROGRESS
ARE DESIGNED
TO
SPEED YOU
QUICKLY
TO
A REAL
FUTURE
IN
ELECTRONICS
EFFECTIVE
TRAINING!
Learn
AT
HOME
in
spare
time,
in
or
of
day
or
evening
RESIDENT
2.
INDUSTRY
RECOGNITION!
DeVry
pared
one
our
programs,
pre-
with industry's
3.
EMPLOYMENT
SERVICE!
for
ALL
graduates through
our
contacts with
many large,
re-
spected companies across
North America.
SCHOOLS.
ELECTRONICS is one
help,
are "JOB
AIMED."
field that spells
OPPORTUNITY in
big
capital letters for
many men
18
to 45. This widespread but
FAST
GROWING
field otters trained
men some
of
today's finest,
or
a
chance to
start
a
good- paying
job
opportunities
profitable servicing
shop!
Even
if
you
don't
have
previous technical experience
or
an
advanced
education, DeVry
s
"BIG
3"
aids to
progress
may
very
well
be
YOUR
stepping stones
to
a
BETTER FUTURE.
You
can
learn at
home
in
your spare time,
while keeping
your
present
job.
Or, in
a
day or
evening program
in
our
U.S.
or
Canadian
resident
school,
you can
develop the very
skills
needed to make
wonderful
progress.
We
even
work
to
get
resident students part -time jobs to
help
with tuition
or
living
-
Regardless of
how you
complete
your educational program
with
DeVry, you can
count
on
industry-recognized, effective
training
aimed
directly
at
providing
on-
the -job -type
"know
-
how." This
is
followed
by
actual
EMPLOYMENT SERVICE
to
help
you
get
started
in
Electronics.
Or,
if
you are in
the
field
already, remember
that
a
DeVry
recommendation
has
meant
plenty of
ADDED DOLLARS in
income to many who
made
themselves
more valuable to employers.
See
for yourself
how you. too, may
prepare
for
the
INCOME,
the
PRESTIGE
and
the
FINE FUTURE
that
goes
with
the
title
of Electronics Technician.
Mail the coupon
NOW
for facts
expenses, if necessary!
without obligation.
WE
PREPARE
YOU NOT
FOR ONE
JOB
BUT
FOR
JOBS
IN
MANY DIVISIONS
OF
THE
FASCINATING
FIELD
OF
ELECTRONICS
Trn
TV
-
RADIO
RADAR
AUTOMATION
rai
COMMUNICATIONS
BROADCASTING
INDUSTRIAL
ELECTRONICS
ELECTRONIC CONTROL
-
Age
NO
EQUIPMENT
HELP
YOU
LEARN
FASTER
FREE
MAIL
COUPON
TODAY!
DeVRY
TECHNICAL INSTITUTE
4141
Belmont
Avenue, Chicago,
III.
60641
Dept.
PE-11
I
-W
Please
give
me
your two free booklets, "Pocket
Guide
to
Reai
Earnings,"
and
"Electronics
in
Space
Travel
";
also
include details
on how
to prepare
for
a
career
in
Electronics.
am
interested
in
the
following opportunity
fields
(check one
or
more):
Communications
Space
&
Missile Electronics
Computers
Television
and Radio
I
1
fl
Microwaves
Radar
Broadcasting
Automation Electronics
Name
Industrial Electronics
Electronic
Control
DeVry
Technical
Institu
4:51
it
r
Address
Zip
City
State
Check here if you are under
16
years
of age.
2101
Code
Apt
HOME STUDY AND RESIDENT SCHOOL TRAINING
AVAILABLE
IN
CANADA
November,
1966
3

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