Back in 1966, a suitable toy for a geeky kid was a radio kit. You could find simple crystal radio sets or some more advanced ...

It was a tweet from an online friend in the world of amateur radio, featuring a transmitter design published in Sprat, the journal of the G-QRP club for British enthusiasts of low-power radio. The ...

As with many inventions, two people had the idea for an integrated circuit at almost the same time. Transistors had become commonplace in everything from radios to phones to computers, and now ...

A previous Design Idea describes a circuit that uses an astable multivibrator to drive an LED (Reference 1). The circuit in Figure 1 uses a simpler alternative approach. The circuit uses a 2N3904 NPN ...

As World War II gripped Europe, Winston Churchill knew that the conflict would be fought on two fronts—on the battlefield and in the scientific lab. The race between the Allies and the Axis powers to ...

When one thinks of the most significant dates in our technological development, October 18, 1954 doesn't pop up there at the top of the list. It should; 60 years ago the first portable transistor ...

THE properties of the amplifier to be described are entirely due to the type of transistor used, and the purpose of this communication is to report on its suitability for the amplification of ...

Jointly produced by Texas Instruments and TV accessory manufacturer IDEA (Industrial Development Engineering Associates) Corp, the TR-1 was the first consumer device to employ transistors. It was ...