Car Stereo Cookbook, data sheet - Linear Technology - LTC5507 100kHz to 1GHz RF Power Detector, Diodes?, MS Security Patch Eula Gives Billg Admin Privileges On Your Box, Here's me, Low Tech Solution to High Tech Problem, Troubleshooting And Repair Of Consumer Electronics Equipment, Indianapolis Communications & Technology Expo, The Semantic Web, Amazon Comes To Canada, Homebrewing by Henk - VK2GWK (ex PAoADC), What's New at Howstuffworks - How Nanotechnology Will Work, How Robots Work, How Wildfires Work, How Satellite Radio Works, humour and inspiration and so much more...



Hello Folks,

Sorry, nearly a month late so two months together. Between a bit of ill health (nothing serious) and doing some construction work for one of my daughters I haven't had a great deal of time. Missed mid month also. Thanks for all the "where is it?" enquiries.

If I owe you email please understand my drafts box contains 529 unanswered messages. At an average of 15 minutes each (some more, some less) that amounts to over 130 hours of work... oh dear... they often come in faster than I can answer.


McGraw-Hill have me down for quite a lot of new titles to review, some not even printed yet - many of them about Robotics. I thank McGraw-Hill for the confidence they've obviously displayed in my abilities.

My latest review? read on.


My review copy of "Car Stereo Cookbook", (How to Design, Choose, and Install Car Stereo Systems), is very well written by Mark Rumreich. If you ever intend to spend serious money on a quality car stereo system then buy this book. The common pitfalls to avoid, as disclosed by "The Car Stereo Cookbook" will handsomely repay your modest investment in this book. Car Stereo Systems usually require the expenditure of some really "serious" money to get the desired results, and unless your decisions are very informed ones, it is all too easy to get burned big time financially. I honestly recommend you definitely buy a copy of "Car Stereo Cookbook" to save yourself financial pain.

In the introduction Mark says: "The Car Stereo Cookbook provides a comprehensive and well organised guide to designing, choosing, and installing car stereo systems. It's geared toward the technically orientated do-it-yourselfer who is interested in car stereo. It assumes some familiarity with car stereo's, but you don't need to have a degree in electronics or have installed a car stereo before".

I concluded "The Car Stereo Cookbook" represents terrific value for money to enthusiasts and technicians, the potential financial savings far outweigh the initial cost of the book. Comes with the highest recommendation from me, and with every good reason. Please read on...

Car Stereo Cookbook Review


Linear Technology - LTC5507 100kHz to 1GHz RF Power Detector.

The LTC�5507 is an RF power detector for applications operating from 100kHz to 1000MHz. The input frequency range is determined by an external capacitor. A temperature-compensated Schottky diode peak detector and buffer amplifier are combined in a small 6-pin ThinSOT package.


LTC5507 100kHz to 1GHz RF Power Detector.

- make a comment? Data Sheet


My friend Rick asks [with tongue in cheek]

"Why, in today's high tech world, with new advances almost daily, haven't they been able to make a diode work in both directions yet?"


"...Instead, Microsoft has just assumed the right to attack your computer and surreptitiously install code of its choosing. You will not be warned; you will not be offered an opportunity examine the download or refuse it. MS will simply connect remotely and install what it will, or install it secretly when you contact them..."

Source: The Register

Full Story


Photograph of Ian C. Purdie, VK2TIP

If you ever wondered what I look like, then here I am, out of focus as usual.

Handsome fellow?

Any marriage proposals?

- make a comment? Photograph


LONDON (Reuters) - Technology buffs have cracked music publishing giant Sony Music's elaborate disc copy-protection technology with a decidedly low-tech method: scribbling around the rim of a disk with a felt-tip marker...

..."After an initial attempt to play the disc on a PC resulted in failure, the edge of the shiny side of the disc was blackened out with a felt tip marker. The second attempt with the marked-up CD played and copied to the hard drive without a hitch..."

'Copy-Proof' CDs Cracked with 99-Cent Marker Pen

- make a comment? Tech


This is a *VERY" comprehensive site by Samuel M. Goldwasser. Seems to cover everything you would ever want to know.

"Attempts to provide an entry to the world of consumer electronics troubleshooting and repair. It also covers test equipment selection, tools and supplies, parts, home made troubleshooting aide - Incredibly Handy Widgets(tm) - and safety..."

And so it goes on comprehensively... Be prepared to spend hours.


- make a comment? & Puff

INDIANAPOLIS Communications & Technology Expo

The premier fleamarket for radio, electronics, computers & communications equipment!

WHEN - Saturday July 6th, 2002


The Semantic Web

A new form of Web content that is meaningful to computers will unleash a revolution of new possibilities
By James Hendler , Ora Lassila and Tim Berners-Lee

Co-authored by Tim Berners-Lee, considered by many to be the "father" of the WWW.

"The Semantic Web will bring structure to the meaningful content of Web pages, creating an environment where software agents roaming from page to page can readily carry out sophisticated tasks for users...."



Get your Club Project off the ground! Spread the word...

All I require is a plain vanilla text file (your-file.txt) of your written copy and, gif or jpg files of your schematics and photographs. Don't worry if you think your writing isn't terribly brilliant, that's what I'm for. Most times I need to edit work either for space, clarity or simply making it search engine friendly. Click here for further information.

- make a comment? an Article!


For all my VE friends and other Canadians. Have a look.

My Canadian Bookshop - Canada

- make a comment? Bookshop


by Henk - VK2GWK (ex PAoADC)
One Mile Beach NSW - Australia

There are many occasions where a modern ham can benefit from some do it yourself. First, you save heaps of money. But even more importantly: making a QSO from a set up that - even as a minor part - contains something that you constructed yourself gives enormous satisfaction. Because when you know how the thing works that you made, you have the power over it and can change parameters and try to do even better!...

... Printed circuit boards can be easily stripped of components with one of these hot air guns to strip paint. Heat the solder side and knock the board to make the parts fall out. Amazing how many TLL and CMOS IC's survive this sort of abuse. Capacitors and resistors have short leads but are ideally sized for bread boarding or re-use on perf-board...


How Nanotechnology Will Work

Nanotechnology will likely be the next industrial revolution. Find out how the world will be building with atoms -- literally, one by one by one...

How Nanotechnology Will Work

How Robots Work

Forget the human players: The 2002 RoboCup robot soccer championship started this week! Time to brush up on the fascinating world of robots.

How Robots Work

How Wildfires Work

With wildfires raging in Colorado, thousands have been advised to leave their homes. Find out how wildfires spread and what firefighters can do to stop them.

How Wildfires Work

How Satellite Radio Works

Satellite radio is up and running. This means nonstop music (beamed down from space, no less), no ads, and coast-to-coast reception -- learn how satellite radio works!

How Satellite Radio Works

- make a comment?


ARRL Handbook for Radio Amateurs 2002
New! for 2002 - ARRL
Short-Range Wireless Communication
Fundamentals of RF System Design (With CD-ROM)
Basic Electronics
Bureau Of Naval Personnel U S. Navy
another popular seller
RF Circuit Design
Chris Bowick

Canada Flag - Canada   UK Flag   Amazon - U.K.   Flag of France   Amazon - France   Flag of Germany   Amazon - Germany   Flag of Japan   Amazon - Japan

Flag of Australia   Book Shop - Australia


(by ever popular demand) -

An old man decided his old wife was getting hard of hearing. He called her doctor to make an appointment to have her hearing checked. The doctor said he could see her in two weeks, and meanwhile there's a simple, informal test the husband could do to give the doctor some idea of the dimensions of the problem.

"Here's what you do. Start about 40 feet away from her, and speak in a normal conversational tone and see if she hears you. If not, go to 30 feet, 20 feet, and so on until you get a response."

So that evening she's in the kitchen cooking dinner, and he's in the living room, and he says to himself, "I'm about 40 feet away ..let's see what happens."

"Honey, what's for supper?" - No response.

So he moves to the other end of the room, about 30 feet away. "Honey, what's for supper?" - No response.

So he moves into the dining room, about 20 feet away. "Honey, what's for supper?" - No response.

On to the kitchen door, ten feet away. "Honey, what's for supper?" - STILL no response.

So he walks right up behind her. "Honey, what's for supper?"


"For the fifth time, CHICKEN!!"

AND - from La France!

Manufacture "Ford" - Detroit, USA
An employee enters the office of his boss and proudly announces : - Eureka !! For so many years I am working on the electric engine project and here we are, at __LAST__ I have succeeded ! I am just arriving from New-York, using my own electric car !

- Humm... how much did the trip cost? asks the boss

- US$ 4000 : $7 for the electricity, the balance for the cable.

Claude, F5PBL


At the prospect of attending a scientific conference:

Pierre and Marie Curie were radiating enthusiasm.

Einstein thought it would be relatively easy to attend.

Volta was electrified, and Archimedes was buoyant at the thought.

Ampere was worried he wasn't up to current research.

Ohm resisted the idea at first.

Boyle said he was under too much pressure.

Edison thought it would be an illuminating experience.

Watt reckoned it would be a good way to let off steam.

Wilbur Wright accepted, provided he and Orville could get a flight.

Dr Jekyll declined -- he hadn't been feeling himself lately.

Morse's reply: "I'll be there on the dot. Can't stop now must dash."

Hertz said he planned the future to attend with greater frequency.

Audubon said he'd have to wing it.

Hawking said he'd try to string enough time together to make a space in his schedule.

Darwin said he'd have to see what evolved.

Mendel said he'd put some things together and see what came out.

Descartes said he'd think about it.

Newton was moved to attend.

Pavlov was drooling at the thought.

Gauss was asked to attend because of his magnetic personality.


Windows is just a
32 bit extension of a
16 bit GUI on an
8 bit processor with a
4 bit instruction set from a
2 bit company that can't stand
1 bit of competition.

If I put the Windows CD-ROM in my truck CD player, will my truck crash for no apparent reason?

- make a comment? - June, 2002



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Heaps of thanks to those who take the time and trouble!


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  That's all folks

72/73's and oink

Ian Purdie Budgewoi N.S.W. Australia - Co-ords S33º14', E151º34'
VK2TIP "I'll give ya the TIP mate" QRP-L #1978. SOC #171 FP#91
URL - http://www.electronics-

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The author Ian C. Purdie, VK2TIP of asserts the moral right to be identified as the author of this web site and all contents herein. Copyright © 2000 - 2001 - 2002, all rights reserved. See copying and links.

These electronic tutorials are provided for individual private use and the author assumes no liability whatsoever for the application, use, misuse, of any of these projects or electronics tutorials that may result in the direct or indirect damage or loss that comes from these projects or tutorials. All materials are provided for free private and public use.

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Updated 1st July, 2002

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