Radio, Test and Measurement Equipment, Circuits, Electronics

Interested in buying new test equipment or used test equipment, and building your own add-on?

Homebrew Oscilloscope Designs with full schematics (a number of articles, including high-speed, sampling, reflectometer, 1MHz, delay, delayed-sweep, multichannel):

1 GHz oscilloscope - Build our add-on and your 10 MHz analog or digital oscilloscope becomes a high-speed sampling oscilloscope.
Delayed sweep - Cross-trigger two analog or digital oscilloscopes to create a delayed-sweep oscilloscope display.
Multichannel - Handy oscilloscope accessory produces multichannel display oscilloscope.

Instruments, Optics and Computing

Integraph (Machine for Calculus), High-Speed Circuit Review Article, Ultrafast Analog Circuit, RELAX3D Mathematics and Algorithm, Linear Flowrate Valve, High-speed Analog multiplier, ECL Nanosecond Signal Generator

Exact references and most links for ALL design articles above (and more) are two clicks away.

NEW FREE ARTICLE!! Precision Free Pendulum Measurement By Digital Delayed-Sweep Oscilloscope Method With Oscilloscope Upgrade Circuits Link

Our Woodworking Plans for Two Unique, Quiet, Accurate Wooden-gear Pendulum Clocks
Only full-sized patterns, your choice of power or hand tools. We sell directly to home woodworkers here.

November 2008