Elektor Team (9517)

1-07-2002 | This circuit was originally designed as a simple mains intercom for use in the home. To complete the circuit you could use the ‘Mains Remote...

1-07-2002 | In the LT1567 Linear Technology (www.linear-tech.com/pdf/1567i.pdf) has produced a component specially developed for building analogue filte...

1-07-2002 | Lithium-Ion cells require a totally different charging protocol to that for NiCd or NiMH cells, a protocol that has to be followed precisely...

1-07-2002 | This circuit is intended as an extension for (pre-) amplifiers, to increase the number of inputs. Ever since the introduction of MD-recorder...

1-07-2002 | The MAX6684 from Maxim (http://pdfserv.maxim-ic.com/arpdf/MAX6684.pdf) is a device for monitoring fans. Available in an 8-pin small outline...

1-07-2002 | If you need to drive a number of white LEDs to provide display backlighting or for a white-light torch what’s the best way to configure them...

1-07-2002 | If you need an adjustable ‘on’ or ‘off’ time for some application, then this is the circuit you have been looking for. A problem that often...

1-07-2002 | Now that we’ve become used to USB you really appreciate the facility to connect or disconnect devices without having to turn the power off f...

1-07-2002 | In order to connect the open-collector output of a standard Conrad DCF receiver module (order number 121177), which has a relatively low ope...

1-07-2002 | All simple constant-current sources generally operate on the same principle: a current is allowed to flow through a resistance and some sort...