Elektor Team (9512)

1-03-2003 | Sadly enough, the popular Philips SAA3049 remote control decoder IC is no longer available. No semiconductor foundry offers a replacement ty...

1-12-2002 | We have already used the Holtek HT12E as an encoder in several previous projects, primarily for remote controls. This encoder is triggered b...

1-12-2002 | Butterworth filters, and to a lesser degree Bessel filters, are probably the most commonly used types of analogue filters. However, in circu...

1-12-2002 | If you have an old house, it’s nice to have only a door knocker and no doorbell, since ‘back then’ no-one had a doorbell and it destroys the...

1-12-2002 | For all battery-operated devices, regardless of whether they use disposable or rechargeable batteries, the lower the current consumption is,...

1-12-2002 | One thing that’s still always very irritating with model train setups is that the locomotive or carriage lights often flicker with the train...

1-12-2002 | In order to monitor multiple power supply voltages it is possible to use one comparator per voltage, coupled with some logic to combine the...

1-12-2002 | At the time that the I2C bus was developed, a maximum bus capacitance of 400 pF was assumed. This means that with properly designed intercon...

1-12-2002 | By now we know that circuits that generate light effects or sound effects can always count on a large group of interested readers. Consequen...

1-12-2002 | The noise generator proposed here operates according to the digital principle, in contrast with the more classical noise generator, which us...