More about battery (486)

1-07-1984 | for battery-operated equipment The low-power switching regulator type 4193, which is housed in an 8-pin miniature DIL package, is designed s...

1-06-1984 | lead-acid battery charger The lead-acid battery has improved so much in recent years that it can often be a good and less expensive substitu...

1-02-1984 | Elektor staff are a versatile lot! The present design came into being because one of our designers is a fervent spelaeologist, more popularl...

1-11-1983 | The phase-locked loop (PLL) in IC1 is used as a frequency discriminator. The mid-fre- quency of the internal oscillator can be preset by mea...

1-10-1983 | battery eliminator elektor october 1983 Battery eliminator or mains adapter? The names can be confusing as they"re interchanged freely and b...

1-07-1983 | 34 battery economizer 0 83416 H

1-03-1983 | universal memory card elektor march 1983 The continuing development of "bigger" memory ICs obliges us to develop new, versatile and more pow...

1-07-1982 | A simple and well-known circuit: a symmetrical supply constructed with an opamp for opamps and of course other small circuits that require a...

1-07-1982 | Battery testers are used to give a decisive answer concerning the condition of a battery. The voltage level is normally used as an indicatio...

1-07-1982 | Depending on their condition 1.5 V batteries supply a voltage of 1.2 ... 1.7 V. This circuit can be very useful when a project has to be fed...