More about LED (792)

1-12-2000 | The DS1809 and DS1869 ICs are electronically controlled trimpots that can be adjusted in 64 linear steps using up and down pushbuttons. Sinc...

1-11-2000 | One of the most important aspects of PA design is the biasing network. It is important for the bias network to reject RF power. Using high i...

1-07-2000 | Nowadays you can buy white LEDs, which emit quite a bit of light. They are so bright that you shouldn’t look directly at them. They are stil...

1-03-2000 | Microprocessors are regular devils for work. In many cases, this involves gathering data, performing calculations and finally making the res...

1-02-2000 | A small effort and an even smaller outlay is required to throw an electronic gadget together that’s sure to make a great gift for Valentine’...

1-02-2000 | It’s hard to keep track of how many running text displays you run across nowadays. You can find them used as decorations in shop windows, as...

1-01-2000 | With the circuit described in this article, locos that pass the return signaller can be identified. Depending on the loco number, the softwa...

1-12-1999 | In 1888, the American researcher Oberlin Smith (1859–1934) published his thoughts on magnetic recording, which in 1898 led Valdemar Poulse...

1-12-1999 | Voltmeters with LED display are very useful instruments for repair and maintenance work on electronic equipment. Unfortunately, their reso...

1-12-1999 | The continuity tester is a handy adjunct to an ohmmeter. The unit or component whose continuity is to be checked is connected between term...