[Ideas For Design] Single-Chip Quadrature Generator
A quadrature generator can be useful in a number of applications, such as motion control and signal processing. The idea presented here describes a very simple and inexpensive implementation of a quadrature generator using a single 8-pin IC, the...
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Contributing Author
[Ideas For Design] RS-232 Port Powers Frequency Counter
As a source of power, the EIA-232 port has found its way into many applications unrelated to data communicationsmost notable being the serial mouse. An unusual innovation among RS-232-powered systems is the frequency counter, as seen in ...
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Contributing Author
[Ideas For Design] Battery-Charger IC Doubles As Current Sensor
It’s always fun to try and find applications for an IC which its designer never intended. The circuit shown here is one such design. Many applications require a circuit that provides a ground-referenced output voltage that’s proportional to a measured...
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Contributing Author
[Pease Porridge] What's All This Motorcycling Stuff, Anyhow?
Once upon a time, in the era 1950 to 1960, I rode my bicycles a lot. I probably rode 20,000 miles or more. Heavy old bicycles, light touring bikes, racing bikes. Track machines with a single fixed...
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Bob Pease