go_info. ARRL_Radio_Designer_Software_v1_5.txt
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ARRL Radio Designer README.TXT--V 1.51 (25 Mar 1998)
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This file, which contains information about ARRL Radio
Designer, an AF/RF circuit modeling software product, is
itself a product of
The American Radio Relay League (ARRL)
225 Main St
Newington CT 06111
USA
tel 860-594-0200
fax 860-594-0259
BBS 860-594-0306
email epubs@arrl.org
README.TXT contains information that expands, corrects and clarifies
ARRL Radio Designer's paper documentation. Please address additions,
corrections and changes to the ARRL Electronic Publications Branch
(email: epubs@arrl.org).
This file looks best when viewed or printed with a
fixed-pitch text font--for example, Courier or Courier
New.
Conventions: Asterisks (**) delimit italics, \/ delimits superscript, /\
delimits subscript. In the text to follow, the initial group *ARD* is
sometimes used as an equivalent to the phrase *ARRL Radio Designer*.
ARRL Radio Designer Front-Line Support
--------------------------------------
ARRL HQ's Electronic Publications Branch provides front-line support for
ARRL Radio Designer. Contact them at 860-594-0214 (fax 860-594-0259), or
send email to epubs@arrl.org.
ARRL Radio Designer World Wide Web Home Page
--------------------------------------------
If you can browse the Web, do visit ARD's home page via the URL
http://www.arrl.org/ard/ardpage.html
This page is your one-stop Internet source for ARRL Radio Designer news,
information, tips and example files.
ARRL Radio Designer's File Transfer Protocol (FTP) Site
-------------------------------------------------------
resides at the URL
ftp://ftp.arrl.org/pub/ard
and can be accessed via the ARD home page.
README.TXT Topics
-----------------
0.x -- RELEASE NOTES
0.1 This ARRL Radio Designer 1.5 maintenance release includes a variety
of bug fixes--the principal among which is that accurate modeling of
TWO-port elements characterized by data that includes noise parameters
is now enabled--and introduces a number of new features:
0.1.1 3-D dialog boxes and controls are now available, and the ARD 1.5
upgrade and full-installation products default to 3-D dialog mode. If
necessary, you can turn off 3-D dialogs by using an ASCII text editor to
modify the 3DControls line in the [Settings] section of the COMPACT.INI
file (normally found in your system's Windows subdirectory). Because
ARD1.5 ships with 3DControls=TRUE (enabled), its dialog boxes differ
from the 2-D controls illustrated in the ARRL Radio Designer Manual. To
turn the 3-D controls off, opening COMPACT.INI in Windows Notepad and
make this line read 3DControls=FALSE. (Note: The file CTL3DV2.DLL,
installed as both the ARD 1.5 upgrade and full-installation routines
run, must be present in your system and findable by Windows for this
feature to work. ARD benignly defaults to 2-D controls if you've set
3DControls=TRUE and CTL3DV2.DLL is somehow absent or cannot be located
by Windows or ARRL Radio Designer at run time.
0.1.1 VSWR is now available for two-port networks. It was available only
for one-ports in ARRL Radio Designer 1.0.
0.1.2 The additional circuit responses
RZ1 (reciprocal of RY11)
IZ1 (reciprocal of IY11)
RY1 (reciprocal of RZ11)
IY1 (reciprocal of IZ11)
RZ2 (reciprocal of RY22)
IZ2 (reciprocal of IY22)
RY2 (reciprocal of RZ22)
IY2 (reciprocal of IZ22)
are now available for two-port networks in ARD 1.5.
1.x -- SETUP TOPICS
1.1 When installing ARRL Radio Designer you have the options of
installing the databanks and the online manual. You can choose to not
install them and instead access them directly from the CD-ROM. The
online manual can be found in the CD-ROM's \MANUAL directory, while the
databanks can be found in the \DATA directory.
2.x -- TROUBLESHOOTING TOPICS
2.1 Correcting system hangs. If your system hangs--that is, freezes in
midflight and does not respond to keyboard and mouse input--during an
ARRL Radio Designer session, your VGA display hardware and Windows video
driver may conflict. Via the Options Change System Settings menu choice
in Windows Setup, change Windows' Display driver to plain-vanilla
VGA--just "VGA" in the Change System Settings Display menu. If this
cures the hang, a video conflict is the probable cause. If this doesn't
cure the hang, contact the ARRL Electronic Publications Branch at
860-594-0214 (voice), 860-594-0259 (fax) or via the Internet e-mail
address epubs@arrl.org.
3.x -- PROGRAM TOPICS
3.1 Edit menu items inactive but ungrayed with when a table window
selected. This is a bug. To copy a table to the Windows Clipboard,
right-click in the table window and select Copy to Clipboard.
3.2 General Protection Faults, sqrt:DOMAIN or floating- point overflow
errors may occur in analyses associated with tabular reports of Voltage
Probe output. After you've created a table of voltage probe data,
displayed it, and modified it and displayed it once again, initiating
Modify Reports (that is, popping the Linear Reports [Edit Mode] dialog)
for a second time causes a General Protection Fault. The workaround is
to specify all of a table's Voltage Probe "traces" at report creation
time. This bug does not affect the creation and modification of
graphical reports containing Voltage Probe data.
4.x DOCUMENTATION TOPICS
4.0 *ARRL Radio Designer Manual*
4.1 Audit (Settings menu) coverage omitted in The ARRL Radio Designer
Manual.
The Audit feature is available via Settings or the hotkey Ctrl+T.
Turning on Audit opens an Open File dialog that prompts you to name a
preexisting or proposed *Audit file* (an ASCII text file with the
extension .LST) in your ARRL Radio Designer directory. With Audit turned
on, ARRL Radio Designer saves to the Audit file (appends to the file, if
it already exists) the contents of any tables displayed at exit time.
Audit can therefore be used as means of saving ARRL Radio Designer
output data to disk in ASCII form.
Note, however, that ARRL Radio Designer tables can also be saved in
ASCII form by two command paths: (1) via the Reports Save Tables command
(keyboard Ctrl+F7), which opens a dialog that prompts you for a filename
with a default extension of .TXT; and (2) by copying them to the Windows
Clipboard (right-click in a any table window to bring up the menu) and
pasting them into a word processor capable of saving its contents to
disk as ASCII text, such as Windows Notepad.
4.2 Misleading allusion to Windows Notepad as a means of importing
databank data into netlists. On page 17-5 of The ARRL Radio Designer
Manual, the section titled Data for ONE and TWO black-box elements
includes the passage "Databank information can be manually copied in an
ARRL Radio Designer netlist by opening the databank file with an ASCII
text editor (Windows Notepad, for example) and copying it via [the]
Windows Clipboard and ARRL Radio Designer's Circuit Editor." Many
databank files exceed Notepad's maximum file-size limit, however. As an
alternative, use Windows Write or another Windows word processor capable
of reading ASCII files.
4.3 Manually imported databank data that does not include frequency
units produces meaningless results and/ or the error message "Math error
occurred. Program cannot continue." The convention for
manufacturer-supplied SnP data requires that each data line's frequency
specification (1) be in gigahertz and (2) omit the GHZ unit suffix, as
in the S-parameter data line
0.047 0.77 -166 9.84 94 0.03 48 0.22 -88
where "0.047" means "0.047 GHz." The description on pages 17-10 through
17-15 of the data formats of standard (.flp) and secondary (.SnP)
databank files, originally included as part of Compact's documentation
of Super-Compact ability to pull in databank files *automatically* at
analysis time notes, on page 17-14, that the default unit for
*automatic* analysis-time data import in Super-Compact is gigahertz--but
*this frequency-unit default does not operate for data hard- coded into
a netlist's DATA block.*) A frequency spec of "0.1" on a databank line
therefore means "100 MHz" when Super-Compact pulls it in on the fly, but
"0.1 Hz" when Super-Compact or ARRL Radio Designer reads that line in
from a hard-coded DATA block line.
Data copied into the program *manually* for use with ONE and TWO
elements therefore must include *fully explicit* frequency data--"fully
explicit" as in "0.1GHZ" or "1E8" or "100MHZ", all of which specify the
same frequency in ARD-speak. The data syntax shown in the Examples on
page 17-6 (Data for ONE) and 17-8 (Data for TWO) therefore applies to
databank data imported into ARRL Radio Designer by hand, with the
further qualification that each data line's frequency spec must be fully
explicit, as in
0.047GHZ 0.77 -166 9.84 94 0.03 48 0.22 -88
or
47MHZ 0.77 -166 9.84 94 0.03 48 0.22 -88
or
47E6 0.77 -166 9.84 94 0.03 48 0.22 -88
or
47000KHZ 0.77 -166 9.84 94 0.03 48 0.22 -88
--all of which specify the same S parameters at the same
frequency.
4.4 Application information. A number of files are included that provide
useful examples and tools for using ARD. These can be found in the \APP
directory of the CD-ROM. See the README.TXT file in that directory for
details.
stop_info.
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