Design

Series RLC tutorial
I have created a tutorial on the series RLC circuit. It uses interactive flash programs with embedded audio. It is located here: http://www.fourier-series.com/RLC-Circuit/index.html It consists of three parts: Program 1: The transient response of the series rlc circuit. It includes user interaction plus... 28 Nov 2009 23:23

Fluke 87V - any reason not to buy?
My old Fluke has a bleeding LCD, so time to buy a replacement. Any reason(s) not to buy the 87V ? TIA Ed ... 14 Dec 2009 15:29

Micro-coax cable, where to buy?
Gents, It's been more than 10 years that I needed this but when looking I found that nowadays companies do not stock any very tiny coax. Almost like vaporware along the lines of "we'll make some if a really fat order comes in". What I need: Coax with an O.D. of 400um (0.015") or less, low stiction of the ... 30 Nov 2009 18:06

PCI-E chips
I've been reading the basics of the PCI-E interface. Unlike PCI-nonE, which is parallel; PCI-E is serial, with slots/cards having 2^n, for n=0-5, serial "lanes" connecting them. A card can have less, equal or more lanes than the socket, except for physical space limits. [The socket may be 4 lanes wide; an 8 lane... 28 Nov 2009 20:06

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115/230V voltage switch key for transformer?
Hello Folks, Never needed this before but now I do: What are those things called that you unplug and insert 180 degrees rotated to switch the primaries of a transformer between 115V operation (parallel) and 230V operation (series)? Circuit board mount. Or better yet, does anyone know a source? Must be super... 28 Nov 2009 17:53

Non-linear functions ...
Hi all, I'm currently working with a mass air flow sensor (a Honeywell AWM3100V, see http://datasheet.octopart.com/AWM3100V-Honeywell-datasheet-57019.pdf), and I would like to convert the rather non-linear response curve of this device into a voltage which bears a linear relationship to the actual air flow. Idea... 28 Nov 2009 17:53

Microwage RF detector
I am looking to build a simple RF detector (to prove a microwave dish is transmitting) working in the 18Ghz region. Any offers especially of the diode to use. Thanks ... 4 Dec 2009 00:54

Moldable Iron Powder
A long-term back-burner project just got my attention when I found out that Home Depot sells magnetic paint. The project is a levitating globe thingie, designed as a control systems trainer that lets the student program the control rules in C and see how different control strategies lead to different sorts of ... 6 Dec 2009 05:14

The Master Reading a Book
http://www.analog-innovations.com/SED/TheMasterReading.jpg ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | ma... 26 Nov 2009 04:17