More about power (1010)

1-12-1994 | It is often necessary to provide power for an operational amplifier from a single supply. Instead of the usual potential divider with co...

1-12-1994 | The circuit shown in here has been designed to protect (expensive) high-power resistors against overheating. Very high power resistors (...

1-12-1994 | Switching on inductive loads, such as transformers, causes a very high initial current, because at that instant, the load does not produ...

1-12-1994 | The 'Medium power a. f. amplifier uses a relay for the switch-on delay to suppress annoying switching plops. When the amplifier ts switc...

1-11-1994 | The phantom power supply enables the power required by a guitar's integral preamplifier to be conveyed via the signal cable.

1-11-1994 | In this instalment, the power Inverter will be discussed. Note that this requires the car battery to be in good condttion. since at full...

1-10-1994 | components select

1-09-1994 | SWITCHABLE A.C. SUPPLY Many experiments in the electronics workshop require a.c. voltages simply by setting the alternating supply voltages...

1-07-1994 | The monitor is intended especially for force-cooled power resistore mounted on a heat sink. Such constructions are used, for instance, t...

1-07-1994 | This is a no-frills audio power amplifier based on inexpensive transistors. It is short-circuit protected and has a maximum power output...