More about Power Supplies (304)

1-07-1996 | Electronic circuits that draw a current of more than a few milliamperes should preferably not be powered by a battery: most are, therefore,...

1-05-1996 | After the detailed descriptions of the passive and active versions of the subwoofer in the previous two instalments, this third and fin...

1-05-1996 | The MAX641/642/643 step-up switching regulators are designed for minimum component oeoe converter circuits in the 5 mW to 10 W range. Lo...

1-12-1995 | The tester checks whether a transistor, n-p-n as weIl p-n-p , works or not. If it does. the buzzer emits a squeak.

1-12-1995 | Occasionally, problems occur when a power supply does not maintain its output voltage owing to a change in load as when an amplifier is...

1-12-1995 | A power supply is described whose output can be switched to the six most common output voltage requirements and which can provide a contin...

1-11-1995 | There is a problem if you want to use a car battery to power a circuit which requires a symmetrical supply voltage. Having abandoned the i...

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

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

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