Elektor Team (9531)

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

1-09-1994 | BATTERY CONDITION TESTER Determining the amount of energy (charge residue) in a battery mains almost constant. you may safely is fraught wit...

1-07-1994 | A battery of solar cells can recharge a NiCd battery with better than 80%, efficiency, provided the solar battery voltage exceeds the fu...

1-07-1994 | The DS1210 controller chip from Dallas Semiconductor, in combination with a CMOS RAM and a lithium battery, forms a memory module that...

1-07-1994 | A part from use as a standard charger, the present unit may also be used for continuous trickle charging to keep a 12 V lead-acid battery...

1-07-1994 | Extracting the separate left hand and right-hand signals from a multiplexed stereo signal is a complex process. It requires an auxiliary...

1-07-1994 | This little circuit is for all cases where you can not hear the doorbell, for whatever reason, but would still like to be alerted if som...

1-07-1994 | The quality of reproduced sound does not result from a single property of the audio signal, but from the sum total of several characteris...

1-07-1994 | Large designs traditionally required complex and extensive digital circuits are now simple to realize by virtue of the smalI, powerful, PIC...

1-06-1994 | In the UKs Iiberalised telecommunications environment, opportunities exist for those able to provide innovative services costeffectively,...