More about battery (486)

1-12-1995 | Normally, stroboscopes, which are intended to emit short, intensive light pulses, operate from very high voltages. The present circuit wo...

1-12-1995 | This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...

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 | Many audio circuits need a symmetric power supply of ±12 V. If such a circuit is to be used in a car, the -12 V line must be somehow deri...

1-12-1995 | The monitor, based on Philips Components' Type TEA1041T, enables a check to be kept on the power supply lines of a battery-operated appli...

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...

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-09-1995 | Letters from our readers.

1-07-1995 | The motive-battery charger has met with great interest, particulary among owners of motor cycles. In response to many requests from owner...