| The designer of a loudspeaker needs the knack of being able to choose a number of drive units that match and complement each other. In the d...
| The designer of a loudspeaker needs the knack of being able to choose a number of drive units that match and complement each other. In the d...
| To design a battery charger with switching regulators you need quite a few flat batteries and the patience of Job. When you come to c...
| The detector makes sounds at frequencies of 10-300 kHz audible to human beings. The conversion is ca ried out either by a superheterodyne...