Buying an Oscilloscope on ebay 1. It's important to keep in mind that a scope is a highly complex piece of electronic test equipment, and not only has to be functional, but correctly calibrated to actually be...
Build a Hobby CNC for PCB milling and general engraving CNC machines are the ultimate hobby accessory. The building of a CNC machine is a hobby in itself, but it is the application of CNC toward other...
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A Guide to Tektronix 2000 Series Oscilloscopes When you have finished reading this guide, please take the time to vote for it. Thank you. The first 2000-series Tektronix oscilloscopes were introduced in the...
ABC's of "Electrolytic" Capacitors for Tube Radios, TVs and Amps Although this guide is written from the perspective of tube radio enthusiast, this guide should also be useful to those who repair vintage...
Tektronix Timebase Secrets - Delayed Sweep and Variable Holdoff When you have finished reading this guide, please take the time to vote for it. Thank you. When buying an oscilloscope, it is important to...
This guide is a summary of how stepper motors work, how they are wired, how they are controlled, and how to test them. It is meant as an overview and confidence builder to encourage a hobbyist or entrapeneur...
A Guide to Tektronix Dual Beam Oscilloscopes Of all the hundreds of models of oscilloscopes produced by Tektronix up to 1980, my favorites are the dual beam scopes. Five models were produced: the 502,...
I have bought and sold many Fluke Meters on ebay.Although I deal only in a few types of meter ( 87 series meters) This should help with most meters. This is just a few questions to ask especially when buying...
ABC's of FILM Capacitors for Tube Radios, TVs Amplifiers Although this guide is written from the point of view of vintage tube radio enthusiast, the capacitor information and tips should also be useful to...