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READ.ME
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1991-04-22
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DOWNLOADED FROM TECH PRO BBS, San Diego-->619 755 7357
Diatom Software
PO Box 262
Northfield, Ohio 44067
USA
WHAT IS ELECTRONIC CIRCUIT DESIGNER?
Through interactive programming technique Electronic Circuit
Designer takes much of the tedium out of designing the more common
electronic circuits. The 62 programs that comprise Electronic
Circuit Designer help the design engineer or technician play "What
if?" with the design. He can quickly substitute component values,
change parameters and design specifications, and immediately see
the effects. Electronic Circuit Designer will free the technician
to concentrate on the circuit design instead of studying reference
tables and books of equations and entering numbers into a
calculator.
HOW TO RUN ELECTRONIC CIRCUIT DESIGNER
To start the program, type "ECD" at the DOS prompt and press the
"Enter" key. The batch file ECD.BAT will run Electronic Circuit
Designer from this disk. Arrow keys and the "Enter" key select
menu items. The "Escape" key will return you to the main menu
from anywhere in the program. Numeric data enters from right to
left, calculator style. Zero and negative numbers are locked out
of most entries to prevent errors. Where negative numbers are
allowed the sign shows to the right of the number.
PROGRAM REQUIREMENTS
This program requires color graphics and supports CGA and EGA
graphics and can display on VGA equipped computers. The program
can be run from a floppy and requires 320k of free memory.
DISCLAIMER
This release of ECD may be freely distributed so long as this
README file remains with the program and the program remains
unaltered. The author assumes no liability for the use or misuse
of this program.
ADVERTISEMENT
Since the review in the May 1990 issue of Electronics World &
Wireless World the program has undergone two major revisions. The
first upgrade moved the program to a compiled language and added
EGA/VGA graphics support. The current version 3.1 adds additional
functions in basic electronics and communications. Although the
program is fully self documenting I have prepared a 22 page manual
to further support the program.
For a $25.00 registration fee plus shipping cost, the registered
owner will receive the latest updated version of the program and
manual. All registered users will receive update notices of new
releases.
HISTORY
I wrote the first version of this program for the TRS 80 about 5-6
years ago. Later when I upgraded to an IBM I rewrote the program
(version 2) in GWBasic. The program was for my personal use in
deciphering other engineers circuit designs. In 1987 I up-loaded
the program to a local bulletin board hoping someone else might
find it useful.
Somehow the program found its way across the Atlantic where
Electronics World & Wireless World magazine reviewed it. I
learned of the review when orders started to flow in.
Encouraged by orders from around the world, I moved the program to
Quick Basic 4.5. The addition of support for EGA/VGA graphic and
self documentation quickly followed. Added functions in BASIC
ELECTRONICS and COMMUNICATIONS are the latest enhancements in
version 3.1. I am currently working on the next version, soon to
be released, adding functions suggested by letters from users.