| This circuit is designed to provide a wideband digital sine wave signal source. Its main feature is that because it synthesises the signal i...
Elektor Team (8191)
| In lighting controllers and clock circuits that need the mains frequency as a parameter for evaluations carried out within a microcontroller...
| More and more communications systems are operating in the 2.4-GHz ISM (Industrial, Scientific and Medical) band, including Bluetooth, variou...
| Particularly with low voltages, triacs are usually used as control elements for ac voltages. The disadvantage, as so often is the case, is i...
| From the feedback from our readers we have learned that the measurement of currents in the positive lead of a power supply is often fraught...
| With the aid of this circuit it is possible to listen, using a portable VHF FM radio, to listen to stations that transmit only your local ca...
| One of the most frequent uses of n-channel MOSFET’s is as a voltage controlled switch. To ensure that the MOSFET delivers the full supply vo...
| There are presently many switching regulator ICs. However, the STA801 and STA802 provide two switching regulators in a single package, each...
| A simple proportional fan controller can be built using the MIC502 from Micrel (www.micrel.com). With this IC the speed of the fan runs slow...
| A simple way of measuring the amplitude and phase difference between two high-frequency signals is provided by the AD8302 from Analog Device...