In his "spare time" Ron Tipton writes magazine articles.
Paper reprints may be requested by phone, FAX, mail, or email. Just
refer to the list number, no need to use the title or magazine name.
(We are posting reprints in Adobe Acrobat format for you to
download if you want to -- the files are fairly large!!)
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"Over/Under Voltage Protector", Electronics Now, Sep
1995. (This article is on the "original" protector circuit
which uses a manual Reset switch.)
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"Photographs: Darkroom or Electronic?", Midnight
Engineering, Nov/Dec 1995. (Compares film and
"SNAPPY" B&W photos for data sheets and ads.)
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"SNAPPY for Color Photos", Midnight Engineering,
Apr/May 1996.
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"The DC Volt", Nuts & Volts, Jan 1997.
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"Find NIST Data On- and Off-Line", Test & Measurement
World, Jan 1997.
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"Circuit tests power outage susceptibility", EDN,
Mar 3, 1997 (Design Idea).
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"The AC Volt", Nuts & Volts, Apr 1997. Click here
to download ACVOLT.PDF , Size: 877 kB.
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"Add an RS-232 Output to any PIC Microprocessor",
Electronic Design, May 12, 1997 (Idea for Design).
Selected "Best of The Issue" by reader
votes! This article in ASCII text only may be downloaded by
clicking on RS232.ZIP Size: 3.8 KB.
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"Breadboards - Then and Now", Nuts & Volts,
Oct 1997. (Breadboard your ideas faster and with less frustration with
this updated 20 year old design.) Download the breadboard artwork in
Gerber format by clicking on GERBERS.ZIP
Size: 68 KB.
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"All About Attenuators", Electronics Now, Sep 1998.
Download the article as a 600 dpi Adobe pdf file by clicking
here . (attenuat.zip, size about 4.8 MB)
Download the PIC software for the LM1972 active attenuator and the
design equations for the resistor values in Figure 1 by clicking on
ATTEN.ZIP Size: 5.4 KB.
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"New Life for a Vintage Audio Filter",Nuts &
Volts, July 1999.
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"An Improved AC/DC Voltage Reference",Nuts &
Volts, Jan 2000. Download the PC board artwork, panel drilling
drawings and artwork by clicking on MODEL305.ZIP
Size: 39KB. (The voltage reference comparison table was omitted
from the published article so I've added it and the circuit board
Gerber files to MODEL305.ZIP on 02/25/00.)
I have some new (Feb 00) information on finding used Kelvin-Varley
voltage dividers in KEL-VAR.ZIP
(zipped .pdf and .jpg files). Size: 76KB.
An IC voltage reference comparison was published in the Nov 99 issue
of Texas Instruments Analog Applications Journal. You can
download the "zipped" pdf file
TI_VREFS.ZIPSize: 584K.
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"All About Correlation", Circuit Cellar, April 2000.
Download the article as a 600 dpi pdf file by clicking
here. Size is about 1.5 MB.
Download the software mentioned in the article:
CORRELAT.ZIP Size: 114 KB.
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"Temperature Measurement and Control",Nuts & Volts,
April 2000. Download the additional info file:
TM&C.ZIP Size: 1.4 MB.
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"Another AC-DC Voltage Reference", Nuts & Volts , June 2000.
Download the PC board artwork, panel drilling drawings, software, etc.
by clicking on BUILD306.ZIP, Size: 74kB.
(Last updated 06/22/00.)
You can also download the latest hardware and software information
by clicking on USER306.ZIP and
SOFT306.HTM.
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"All About Electronically-Tunable Active Filters", Poptronics,
August 2000. Download the PC board artwork, PIC software and SPICE
models mentioned in the article by clicking on
TUNABLE.ZIP, Size: 19kB. Download the full article as a 600 dpi
Adobe pdf file by clicking here. Size
is about 2.75 MB.
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"Build this Simple, High-resolution DC Voltmeter", QEX (ARRL
Technical Journal), Sep/Oct 2001. Circuit board is available from FAR
Circuits, phone 847-836-9148 or online at www.cl.ais.net/farcir/
Download the full text as a 600 dpi Adobe pdf file by clicking
here. (hires-vm.pdf, size about 2 MB.)
Download the MS-DOS control program by clicking on
CNTRL251.ZIP, 19 kB. Download the LTC2400 demo program written
by Linear Technology Corp. by clicking on
2400.ZIP, 2.5 MB. (This is a Windows program that will also control
this voltmeter.) Download the circuit board drawings by clicking on
svmeter.zip, 14 kB.
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"Masking Unwanted Sounds", Nuts & Volts, September 2002. You
can download a copy of the article in Adobe pdf format, with
two jpg color photos, by clicking on
masking.zip . Size is about 310 kB. You can also download a copy
of the model 803 User Guide in pdf format by
clicking on USER803.ZIP.
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"A High Performance Microphone Preamp", audioXpress Magazine,
October 2002. Download a 600 dpi scan of the article in Adobe pdf
format by clicking on preamp.zip . Size is
about 1.99 MB. You can also download a copy of the model 401 User Guide
in pdf format by clicking on USER401.ZIP.
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"Build the CF-MOSFET Audio Power Amplifier" by G. Randy Slone,
Nuts & Volts Magazine, Feb-Mar 2003. This information has been
moved to our new Power Amplifiers page. Please click
here to visit it.
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"Software for Audio Testing", Nuts & Volts Magazine, August
2003. You can download the audiotst.zip file by clicking
here. Download the full article as a 600
dpi Adobe pdf file by clicking here.
Size is about 2.94 MB.
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"Bisbee Calling" was written for a specific newsletter but not published.
But it's an interesting audio-related article so I'm posting it here.
The zip file contains the text and color photos as an Adobe pdf file.
Click here to download it (about 314 kB).
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"The MaxxBass Subwoofer" audioXpress, November 2004.
The MaxxBass* control unit is our model 907. For more information,
please click here to go to the 907 product
page. Please click here to download the
zipped circuit board layout and parts placement file (mbboards.zip).
(* MaxxBass is a registered trademark of Waves, Ltd.)
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"Designing the Hot Strings Guitar for Chet Atkins" Multi
Media Manufacturer (a publication of Audio Amateur Inc.), May/June
2006. This took place between October or November 1975 and January 1977
but it took me 30 years to get around to writing the story. The article
includes photos and circuit diagrams. Click
here to download a copy of the article in "zipped" Adobe
Acrobat pdf format (size about 1.89 MB).
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"A Multiple "Wall-Wart" Power Supply" audioXpress, June 2008.
This handy unit replaces ten DC output wall-warts in a 2RU rack-mount
enclosure. Each regulated output is isolated from the others and each
voltage is settable with two 1% resistors. Click
here to download the article in "zipped" Adobe Acrobat pdf
format. (Size: about 2.8MB) Click here to
download the full-size pcb layouts for this article. The layouts are
in CIRCAD .pcb format and they can be printed with a free version of
CIRCAD available from Holophase.
(Size: 8.4 kB)
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"TIM Revisited" Multi Media Manufacturer (a publication of
Audio Amateur Inc.), Nov/Dec 2008. In this article I take a look at
measuring Transient Intermodulation Distortion (TIM) in modern audio
power amps and it appears to be a non-issue with current designs.
The article includes photos and circuit diagrams.
Click here to download a copy of the
article in "zipped" Adobe Acrobat pdf format (size about 3.33 MB).
(The three photos did not scan too well so I included the original jpg
files in the zip file.)
You can also download meastim.zip, Size 90 kB.
This file contains a system overview, parts list, circuit board
layouts and the square-wave generator source code that go with the
article.