More about LED (794)

1-07-1976 | On the basis of the principle that the conversion of electrical energy to light in a LED must be revers- ible, its merits for practical...

1-07-1976 | The µA 78G can be used to construct a very simple power supply which will deliver 1 A at any voltage from 5 - 30 V. The IC has fou...

1-06-1976 | LEDs are now finding applications in more and more varied fields and here is a unit to introduce them to the world of discos and the tr...

1-04-1976 | Analogue indicators that make use of columns of LED`s to measure voltage or other parameters provide a robust alternative to the conventiona...

1-01-1976 | With home-made FM-tuners, the design and construction of the tuning scale often causes much brain racking. A mechanical soluti...

1-01-1976 | The Texas IC type SN 16880 N contains all the functions necessary for a stereo LED level meter, which can replace the conventional moving...

1-07-1975 | This simple circuit will find many applications as a battery eliminator for low power Iequirements. It consists of a transformer, a brid...

1-07-1975 | A further application of the LM 3909 circuit is a 1 kHz square-wave oscil- lator. Pl is used for making the square-wave symmetrical. P2...

1-07-1975 | A further application of the LM 3909 circuit is a 1 kHz square-wave oscil- lator. Pl is used for making the square-wave symmetrical. P2...

1-07-1975 | Programmable frequency dividers are particularly useful for producing a large number of frequencies from one reference frequency. An exa...