| Electronic circuits that draw a current of more than a few milliamperes should preferably not be powered by a battery: most are, therefore,...
All items tagged with Circuit and Power Supplies (22)
| 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.
| 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...
| There is little to say about the true r.m.s. converter. The circuit diagram shows a standard application of the AD736JN, connected to a n...
| This Iittle circuit enables you to measure the so-called dynamic response of a d.c. power supply. A power MOSFET, T1, is used to switch...
| A small circuit is described that inverts a positive voltage into a negative one or doubles its level. It does not use inductors and is ba...
| The greater part of this month's instalment is devoted to the operation of the microprocessorcontrolled synthesizer used to tune the RF...
| The power supply for the delay circuit is derived directly from the mains by a bridge rectifier; D1-D4. The rectifier must be able to han...
| The circuit diagram of the power supply shows that the semiconductor tester has an on-board step-up voltage converter that is powered from...
| Here is an all-purpose d.c. power supply tor symmetrical as well as asymmetrical use, and capable ot supplying high output currents and vo...