Download elementary MAY -JUNE 1979

HEY, LOOK ME OVER
NEW!
OWN
BUILD YOUR
TRON -EX F/1.9 LENS
COLOR
BIG SCREENcolor TV! odITV!
featured in November
Popular Science.
portable
Convert any
spare hours. re4 aired.
wilt in a few
is skills
b
be
Can
or electron
ORDERS!
special tools
ALL PACKAGE
No
ON
SAVE $15
LIFESCREEN III
The LIFESCREEN III projection system gives you all the enjoyment and excitement
of the $4000 systems. Our new injection molded Tron -Ex lens (F/1.9) produces
an amazing image that is over 3 times
brighter than most nationally marketed
big -screen
including Sony. And the Tron -Ex delivers sharper focus to the
screen edge for better overall clarity. Our light- enhancing Extron LS-50 screen is
6 times brighter than most movie screens, because the molded parabolic contour
rejects extraneous light. concentrating a directionally selective TV image for clear.
colorful viewing. The LIFESCREEN Ill plans provide exact dimensions to lit the
13'' Toshiba (model C389). but they can be modified to fit most 12" to 19"
portables. Pre -constructed LIFESCREEN Ill lens housings available for most
Ns. Order the components catalog below.
COMPLETE PACKAGE $319
Ns-
LIFESCREEN II
LIFESCREEN
The
The
self- contained protection system
that uses any transistor portable TV
(12" to 19 ")
requires only 2 x 4
feet of floor space .. fits neatly against
any wall and lends its beauty to the decor
of any room. Includes Tron -Es F/1.9
lens, Extron LS -50 screen. two front
surface mirrors. and building plans for
battery warning is included. DC polarity
is automatic with indication directly on
the readout display. Full details on the
new Model 3300 DVOM and its complete
line of accessories may be obtained at
leading electronic distributors, or write
to Triplett Corporation, Bluffton, OH
45817 or call (419) 358 -5015.
I
original independent projection
system from Extron. Works with the
Sharp
Sony
.
13" model 13A29 color TV or
15" model KV1541R color TV.
Can be used with any size screen. The
LIFESCREEN I includes our new Tron -Ex
/1.9 lens, one front surface mirror.
building plans for cabinet. and the LS-50
screen. 32" e 40 "/50" diagonal.
F
the cabinet.
COMPLETE PACKAGE $389
COMPLETE PACKAGE $339
EXTRON GUARANTEES EVERYTHING: the professional quality, accuracy of
description and availability of components described in this ad. After building
your LIFESCREEN PROJECTION SYSTEM, II you are not satisfied for any reason,
return aN components to EXTRON for Instant refund.
LARGER SCREENS FOR THE LIFESCREEN
Please send me the Kerns checked below:
ONE COMPLETE SET OF LIFESCREEN
I
AND LIFESCREEN III SYSTEMS CAN BE ORDERED FROM OUR CATALOG.
..
PLANS
ONE COMPLETE SET OF LIFESCREEN II PLANS
ONE COMPLETE SET OF LIFESCREEN III PLANS
COMPLETE LIFESCREEN I PACKAGE
I
59 00
59.00
59.00
S339.00
COMPLETE LIFESCREEN II PACKAGE
5369.00
COMPLETE LIFESCREEN Ill PACKAGE
$319.00
EXTRON COMPONENTS CATALOG
(Appauble toward any purchase) $1.00
All prices F.O.B. factory-Cal. residents add 6% sales fax
12
2
The new DVOM sells for only $175.00,
complete with long life Ni -Cad batteries
and AC Adaptor Charger plus test probes
with safety boots. The Triplett Model
3300 is a safety -conscious design with
no exposed metal parts and it includes a
high energy 2A/600 V fuse for ample
overload protection. A fused probe provides for both high energy and normal
use circuit protection. Over -range is indicated by a blinking display and a low
EXTRON LIFESCREEN PROJECTION SYSTEMS
8833 Sunset Boulevard Suite 202
West Hollywood, CA 90069
50 MHz Logic Probe
Dynascan's new B &K- Precision logic
probe is capable of measurements from
DC to 50 MHz. The new probe, Model
DP -50, is a multi -family device that is
compatib'e with TTL, DTL, RTL, HTL,
CMOS, MOS, and high -noise immunity
logic (HiNIL). Three bright LED indicators display pulse presence and high
,
Name
CIRCLE 59 ON READER
SERVICE COUPON
Address
City
State
Sp
CARD NAME
.
TOTAL
CARD NUMBER
EXP. DATE
SIGNATURE
S
CIRCLE 9 ON READER SERVICE COUPON
FREke =TI
CATALOG
he ULTIMATE in
CHEAP VIDEO
BOOK &KIT
NLY $42.95
Audio- Computers
4
Instruments
Kits & Assembled
-4w
Don Lancaster's "Cheap Video "concept
allows almost unlimited options,
including:
* Scrolling- Full performance cursor.
* Line /Character formats of 16/32. 24280,
32/64 .... or almost anything.
Graphics -up to 256X 256 B &W:
96 X 128 COLOR ( requires low -cost
option modules )
* Works with 6502 6800 and other
micros.
*
SPECIAL OFFER: Buy the Kit
(upper case alpha- numeric option
included) & get the Book at 1/2 price.
®4
ELECTRONICS
1020W. WILSHIRE RLMO..
(
7
MILANO
CITY. OK 73116
SEND FREE CATALOG
name
city:
am' ELKnows
zip.
state:
,
teen
5-E,r020
III WILSHIRE
HUM.
MANILA
CITY. OK 73118
YAESU
/
(7 T VT 6 543 Kit & Cheap Video Cookbook 842.95 enclosed
(7 TVT-6 SS Kit only (book required for assembly)-539.95
press:
Two Meters in a Fist
amateur radio hand -held
transceiver, Model FT -202R, provides 1watt performance in a lightweight, completely portable package on 2 -meter FM.
With the flexibility of six crystal- controlled channels (three installed), the unit
may be powered with eight nicad size
AA cells, or seven alkaline dry batteries,
to provide 1 watt output. Options inspeaker microphone,
clude external
battery charger, and leather carrying
case. The FT -202R comes with the
"Rubber Ducky" antenna, dummy battery, vinyl carrying case and shoulder
strap, and sells for $199.00. Bat The
,
I'm Sold, PLEASE RUSH
and low logic states. The DP -50 will continue to indicate pulse presence through
its maximum frequency of 50 MHz. For
high -spedd or intermittent pulses, the
DP-50 offers a memory mode to "freeze"
and store the pulse display. In the pulse
pulses
mode,
short
duration
are
"stretched" for a clear visual indication.
Input impedance is 2 megohms in all
modes. The DP-50 is overload protected
and will withstand ±50 VDC at the input. Reverse polarity protection for the
power leads is also 50 volts. Sells for
$50.00. For additional information, contact B &K- Precision, 6460 W. Cortland
St., Chicago, IL 60635.
SouthwestTechnical Products Corporation
219 W. RHAPSODY
SAN ANTONIO, TEXAS 78216
(Continued on page 87)
CIRCLE 28 ON READER SERVICE COUPON
18
CIRCLE 18 ON READER SERVICE COUPON
ELEMENTARY ELECTRONICS /May -June 1979