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"vintage"
adjective-
of high quality and lasting value, or showing the best and most typical characteristics of a particular type of thing, especially from the past.
"electronics"
noun-
the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices, a system of interconnected electronic components or circuits.

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vintage electronics articles
Dating Fender Amplifiers
Look inside the amp (but don't stick you hand in there, even after being unplugged the amp may retain a dangerous electrical charge)...
Filament Rejuvenation
Although many things can go wrong with an electron tube, the most typical failure is an open filament or the filament's electron emission has weakened beyond...
Antenna Impedance
Traditionally, scanners have used 50-ohm cable and connectors. The reason for this is historical rather than technical. My assertion in this article is that...
Soldering Basics
The art of making a good solder joint is essential to anyone who wants to make electronic equipment, and it is an art form that is not too hard to master...
Vacuum Tube Operation
Fig 1 shows a typical triode vacuum tube. Because of the Edison Effect, heat from the filament causes free electrons to boil off of the oxide coating of the...
Testing Transformers
Testing transformers is not quite as mysterious as some people think, but there are some limits on what and how to test parameters in the field unless...
Negative Filtered Power Supplies
If you've been trained on repairing post-1955 electronics, you probably haven't been exposed to negative filtered power supplies. Somewhere around that time...
Hum Problems
In over forty years of "dinking and dorking" around with old radios I've had my share of trying to solve "hum" problems. In fact right now I'm working on a...