All items tagged with Power Supplies and Power (224)

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

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

| 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...

| 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.

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

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

| 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...

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

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

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