| If a d.c. coupled output amplifier breaks down during operation, the loudspeakers, particularly the bass units, are at risk. The bass par...
| If a d.c. coupled output amplifier breaks down during operation, the loudspeakers, particularly the bass units, are at risk. The bass par...
| The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.
| The proposed mains power supply is a versatile unit for use where a stable voltage, medium power and good parameters are required. The qu...
| A universal drive indicator is described that can be used with virtually any AF output amplifier. It indicates precisely when the -3 dB cu...
| Measurement amplifiers are used to magnify the output of all kinds of sensor so that the signal can be processed as appropriate in, among...
| The MAX743 DC-DC converter IC contains all the active circuitry needed to build smalI, dual-outpur power supplies. Relying on simple two-...
| A handy square-wave generator is described which provides fifty-seven stable frequencies for the testing of digital circuits. It is batter...
| This compact receiver is compatible with all infrared remote controls that transmit RC5 codes. The RC5 set comprises 2,048 possible codes,...
| Output Q1 of this delay circuit becomes active after the switch-on period has elapsed and remains so until the next cycle is begun. Outp...
| 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...