K. Walraven (99)

1-07-1995 | The circuit described is based on a Type DS1620 temperalure sensor from Dallas Semiconductor. This device can measure temperature wtth a...

1-07-1995 | Most of the new, fast current-feedback op amps have an enable input via which it is possible to switch the device on and off. Because of...

1-07-1995 | The I/O card provides 8 inputs at TIL level, 8 outputs with data memory and power buffer and 8 preset I/O addresses.

1-06-1995 | This article describes a distribution amplifier for VGA cards which allows you to do, for instance, a small presentation running on one PC...

1-06-1995 | A circuit is described that automatically adjusts the flux from a light source (incandescent or fluorescent) in accordance with the ambien...

1-05-1995 | Microcontrollers are increasingly used for switching and control applications. Consequently, there is a growing need of inexpensive progra...

1-12-1994 | Transistorized RF power amplifiers and mobile transceivers require mains power supplies capable of supplying very high currents while rema...

1-12-1994 | A solar panel rated at 6 V, 50 mA, provides enough energy to charge faur small NiCd batteries. The problem is, however, that the voltage...

1-12-1994 | As earlier reported in this magazine from January 1996 all (new) electronic and electrical apparatus must meet the European standard for...

1-12-1994 | The interconnection is of use to readers who have a fax machine and a PC with faxcard and relevant software. The fax machine can then be...