Here is a simple circuit for a one transistor Audion type radio powered by a 1.5 V battery. It employs a set of standard low-impedance headphones with the headphone socket wired so that the two sides ...

This two transistor AM radio circuit is also called “mini-radio”. It uses only 2 transistors and few passive components which makes is very easy to be constructed. Although the circuit is very simple, ...

So What Was the Transistor Good For? Transistors may have been useful to the phone company and to a handful of scientists building computers, but that wasn't enough to build an industry. Companies ...

This piece by Steve Greenberg is part of a series of essays to mark the 50th anniversary of the Beatles' first American television appearance on CBS's "The Ed Sullivan Show." It culminates with CBS ...

CHAMPAIGN, Ill. — Carbon nanotubes have a sound future in the electronics industry, say researchers who built the world’s first all-nanotube transistor radios to prove it. The nanotube radios, in ...

Baldwinsville, NY -- In 1953, the cutting edge of technology was the transistor, and General Electric’s plant in Salina was where theory was being turned into reality. A team of engineers led by ...

OCTOBER 18, 1954: Transistor radios hit the shelves on this day in 1954 – and went on to sell billions and become the most popular electronic communication device in history. Texas Instruments’ ...

A handheld AM or FM radio. All handheld radios, as well as desktop radios, use transistors, both discrete as well as contained in chips. The transistor radio was one of the first consumer devices that ...

Before the MP3 was the Walkman and before that was the "tranny" - the transistor radio. Personal radios existed before their mass popularity in the 1960's, but then they became a teenage 'must-have'.