| The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...
| The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...
| Nowadays, several manufacturers produce ICs that combine an infra-red receive LED with associate amplifier and demodulator. The Type SFH5...
| The touch switch is based on a Schmitt trigger with hold contact, which is built from IC(1a), IC(1b) and R3. The output of IC(1b) is fed...
| The MAX743 DC-DC converter IC contains all the active circuitry needed to build smalI, dual-outpur power supplies. Relying on simple two-...
| The switch described has two time ranges that are selected with a push-button. In the prototype, the ranges were 5 minutes and 20 minutes...
| Any switch or key in a digital circuit may cause problems because mechanical contacts bounce up and down a few times before they close. N...
| People with a passion for hifi equipment and active speaker units are bound to have sought ways in which to switch on the output units via t...