Star Tech Journal

Issue: 1983-October - Vol 5 Issue 8

6
STAR*TECH JOURNAL/OCTOBER 1983
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BASE-CAR COMMUNICATIONS
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OR ~QS-625-5333
HOFFMAN
-
HOFFMAN
CARMEL-BY -THE-SEA CALIFORNIA 93921·0896
By Lynne M. O'Connell
Now whether you're on the road, in a store oroutto lunch, duty can literally call from a small pager
in your pocket, purse or attached to your belt. Motorola and Radio Shack have each released a
pocket-sized pager capable of alerting the user of pending duty at the sound of a tone.
Motorola offers the "OPTRX" Numeric Display Radio Pager designated as the "Personal
Message Center" for base to car/ carrier communications. This 5-ounce miniature communicator
with a backlit Liquid Crystal Display includes 8 address functions, several alert and paging
variations and a memory.
Twenty-four characters of either numbers or letters in combination with hyphens and dashes
compose the "OPTRX" message. The "OPTRX" can hold four such messages indefinitely in its
memory.
By inhibiting the on/off switch until a message is read, the "OPTRX" dispells the fear that an
important message will slip by unnoticed
The Motorola pager is equipped with various status indicators which carefully monitor the
instrument to insure effective and efficient two-way communication at ease. The user need never
worry about his communicator failing during an important transaction. The indicator informs the
user of the battery condition, power on and volume setting.
Each message includes a "signature" to distinguish which address it pertains to. The data
alert, tone or optional voice alert corresponds to a designated address.
Motorola kept in mind the varying work environments of the user with the "escalert", silent
and priority paging functions. The" escalert" is designed for noisy environments since the beeping
continually increases until the pager is answered. However, in case the alert sound is undesirable,
the user may tum off the speaker, allowing for silent reception. If a message is specified a priority,
the "OPTRX" will override its silent feature to alert the carrier.
The shock resistant "OPTRX" operates on single unit chargers in l l 7vac or 11 0vac models.
The Motorola pager ranges in price from $90 to $300 in accordance with the selected functions.
Tandy Corporation and Radio Shack have introduced the "Tandy" personal pager which uses
simplicity and practicality to attract not only the professional but also the general consumer.
Like the "OPTRX", the "Tandy" is lightweight and pocket-sized Radio Shack emphasizes
"Tandy's" ability to help active families and individuals "keep in touch" in everyday as well as
emergency situations.
The "Tandy" is also designed to fit in with the user's lifestyle. When the circumstance calls for
silence, the user can take advantage of the pager's memory circuit which retains the signal for
future reception.
The "Tandy" uses a tone alert and POCSAG advanced digital design. It operates on two
mercury "hearing aid" batteries.
Presently being introduced in the Dallas/Fort Worth, Texas area, the "Tandy" pager sells for
under $100. Radio Shack plans to offer the pager in cities throughout the United States.
WHAC
A
MOLE
Everyone loves Whac-A-Mole!
Customers love to play, and
you'll love the way it pays.
Call us and let us
tell you more.
Bob's Space
Racers, Inc.
427 15th Street
Daytona Beach ,
Florida 32017
Telephone:
904-677-0761
Manufactured in the U.S.A.
Makers of amusement games since 1970
SELL IT.
Interested in advertising? S*T J reaches over 4,000 service shops with a
readership of over 12,000 operators, distributors, technicians and
manufacturer suppliers. Your message gets read more than once ...
again and again. For more information call Paul at 609/662-3432.
7
STAR*TECH JOURNAL/OCTOBER 1983
NEW-TONE ELECTRONICS
QUARTZ CRYSTAL APPLICATION GUIDE
This condensed application guide is intended to assist the Service Dealer
in reaching an entirely new repair market that has been created with the
advent of microprocessor circuitry. This guide crosses all popular
Frequency
In
MHz
Load
Capacitance
Pf
crystal frequencies to the NTE Part Number and also lists common
microprocessor or television applications for each.
Maximum
Effective
Serles
Resistance
(Ohms)
Common Microprocessor
or
Television Application
NTE
Type
No
Holder
Type
1.000
650
HC-33
13
500
CDP18Q0/1802, I SP5000A,
MPS6500, M6800, S6800,
SC/MP, 280, 2650
2.000
651
HC-33
20
200
COSMAC, F-8, IPC-16, 2650A, 3850,
6500, 01, 02, 03, 6514, 6515,
6802, 6803,8080A
3.579545
358
-
18
100
6801,6803, TV Colorbu rst
3.579545
358A
-
Series
100
TV Colorburst
3.579545
3588
-
34.7
100
TV Color Oscillator
3.579545
358C
HC-18
18
100
6801, 6803, TV Colorburst
4.000
652
HC-18
20
100
F3870, 280, 4040, 4021, 6800
4.0000
655
HC-18
Series
100
AM9080, EA9002, HM6100, IM6100,
Pace, TMS1000/1200, SC/MP-11, YM6100
4.9152
656
HC-18
Series
50
Standard Clock Freq
COM5026/5046, 280, 280A
5.000
653
HC- 18
50
AM8089, CDP1804, 05, 06,
CP-1600, HD6120, 280, 8086
6.1440
657
HC-18
Series
50
CP-1600, 8085A, 8748
10.000
658
HC-18
Series
20
AMD2901, TTL, Macrologic,
8085A-2, 9405, 9440
10.245
654
HC-18
25
Scanner Applications
18.0000
659
HC-18
Series
20
MCS-80, 8008, 8080A, 8224
18.4320
660
HC-18
Series
20
AM9080, MCS-80, UPD8080A,
8080A, 8224
20.0000
661
HC-18
Series
20
AM2900, MCS-80, 8008, 8080A,
8224
22.1184
662
HC-18
Series
20
MCS-80, 8080A, 8224
20
32
AND THE BEAT GOES ON . ..
Just a short note to keep you aware of the continued export of consumer
goods from Japan. The following Export Statistics are announced by the
Item
Finished Products
Volume
(Jan. to Dec. 82)
Color TV's
B/W TV's
Car Radios
Portable Radios
Clock Radios
Car Cassette
Stereos w/Radios
Radio-Cassette
Combinations
Hi-Fi Tuners
5,968,734
1,912,136
1,467,700
4,192,493
910,464
10,356,083
15,970,144
1,727,036
Electronics Industries Association of Japan (EW), and drawn up by
the Ministry of Finance.
Item
Finished Products
Volume
(Jan. to Dec. 82)
Hi-Fi Receivers
Hi-Fi Amplifiers
Record Players
Hi-Fi Speaker
Systems
VTR
CB's
( over 1 OOmw output)
Intercoms
Calculators
1,628,730
4,711,568
5,725,500
4,722,122
10,652,437
783,608
935,919
44,960,321

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