More about relay (97)

1-04-1998 | In this article we answer the questions of our readers.

1-12-1997 | The alarm uses a pyrosensor to detect the presence of animals or human beings by changes in hear radiation.

1-09-1997 | A relay is still one of the simplest devices for switching large electrical loads with the aid of a relatively small amount of energy....

1-07-1997 | When it comes to input selection in a preamplifier, the use of a relay is always better than a simple rotary switch - at least from a qua...

1-12-1996 | The AD8037 is a rather special opamp because its positive and negative inputs have internal clamps. The clamp at the negative input is e...

1-02-1996 | This competition entry describes a microcontroller driven switching clock (housekeeper) with a 2x16- character LC Display, input keys and tw...

1-12-1995 | The circuit is intended for controlling a bistable relay. Since this type of relay is frequently encountered in the points of model railw...

1-07-1995 | The output stages of many car radio/cassette players have no switch-on delay for the loudspeakers. This causes annoying clicks when the...

1-02-1995 | Few of you will be impressed by the fact that this circiut tuns on a light if you press a switch. The thing is, however, that the light goes...

1-12-1994 | Standard potentiometers have some unfortunate properties, such as crackling when they get older and unequal tracking in stereo types. A...