All items tagged with switch and technology (23)

1-01-2007 | What do you do with a large pile of electromechanical counters from the scrap parts bin? Exactly the same as with other display devices from...

1-12-1997 | In the testing of circuits, there is sometimes a need for the supply voltage to be switched on at a gjven time or in steps.

1-07-1997 | The 20-bit ADC in the December 1996 issue of this magazine was fitted with symmetrical Inputs (as is usual in a professional appliance)....

1-12-1996 | A proximity switch is one which requires your hand to be merely near it as opposed to on it to operate.

1-07-1996 | The signal-controlled switch actuates or deactuates a.f. equipment, including preamplifiers, power amplifiers, and filters. It is partic...

1-03-1996 | In audio engineering there is often a requirement for a filter that either passes or blocks certain frequencies or frequency ranges. This re...

1-12-1995 | The circuit presented is intended primarily to limit the switch-on current drawn by lamps and other mains-operated appliances. This curre...

1-07-1995 | The charger is designed to charge NiCd batteries with capacities of 150-4000 mAh. A potential 5 V higher than the nominal voltage of the...

1-12-1994 | Most readers will be acquainted with a tone control as found on many audio amplifiers. Such a control normally consists of a potentiomet...

1-12-1994 | Most satellite receivers provide a direct voltage at their coaxtat output which, depending on the plane of polarization of the set progr...