All items tagged with switch and Electronics (28)

1-12-1991 | Switching transistors are usually driven into saturation. which has an adverse effeet on the switching speed. This effect is eliminated,o...

1-10-1991 | The recently introduced LM2575 and LM2577 switch-mode voltage regulators in the Simple Switcher series from National Semiconductor have a...

1-07-1991 | This electronic switch is designed to be connected direct to the mains, which obviates a low-voltage supply and so keeps the cost and sp...

1-07-1991 | Many people still use the old C64 computer to play games on, but get frequently annoyed by the constant need of changing over the joysti...

1-07-1991 | The pump in sorne central-heating systems has two or even three speeds. At the lowest speed, not much hot water is pumped around the cir...

1-07-1991 | A frequent annoyance with battery-operated equipment is that just after you switch it on you notice that the battery is fIat. Quite proba...

1-12-1990 | A switch that keeps on giving pulses as lang as it pressed is often required. The circuit here uses the well-known Type 555 for this purp...

1-01-1990 | Recent developments in consumer electronics have boosted the popularity of video recorders, portable cameras and camcorders to such an ext...