| Almost all households have at least one infra-red remote contral unit, be it for the viode or audio equipment. Unfortunately, it sometime...
| Almost all households have at least one infra-red remote contral unit, be it for the viode or audio equipment. Unfortunately, it sometime...
| A 4-to-16 decoder is eminently suitable for constructing a simple four-position selector with integral debouncing of the switches.
| Resistance checks on suspect transistors normally fail to provlde a conclusive answer as to whether the transistor is all right or defect...
| The "MIDI signal redistributicn" unit we published in May 1987 (p. 22) has even more possibilities than we thought at the time.
| The adjustable flashing rate and low offstate current drain make this circuit eminently suitable for use as an on-off indicator where batter...
| This circuit behaves like areal mosquito: as soon as it gets dark, it begins to buzz irritatingly. As soon at it gets light, it becomes...
| Although the multimeter whose circuit is shown here is fairly simple to make, you may experience difficulties in obtaining some of the co...
| The 50/75 Ω driver is based on a Type OP64, which was designed specifically for use in pulse and video applications. Because of internal...
| Many people find that when they want to add a CD player to their aud io system, there is no available input left on their power amplifier...
| This simple design, consisting of a TL071C driver and two MOSFET power amplifiers, can deliver up to 45 W into 8 Ω.