| When voltages are measured, it is not always necessary to find the exact value Often, it is sufficient to check whether a potential lies...
All items tagged with Electronics and technology (312)
| EURO PE ON THE WAY TO A STANDARD TELEPHONE CARD
| In this article we answered your letters about our articles of the last months.
| The SAA3049 checks and converts received coded data (RECS80/RC5) into latched binary outputs. The device address can be hard-wired for a...
| This monitor is used by the author to guard the microprocessor in his PC. The temperature sensor is a resistor, Rq, with negative temper...
| This circuit shows how a regular 4-bit binary munter may he extended with an upidown function just by adding four XOR (exclusive-OR) gat...
| The interesting point of this circuit is that a D-type histahle is used as an inverter. When the level at the input changes from high to...
| The strong point of the recently puhlished 'surround-sound subwoofer' is that its frequency response is straight down to 20 Hz. Such exc...
| The proposed circuit indicates with the aid of two LEDS whether or not the input signal contains surround data. The criterion for this i...
| The signal-controlled switch actuates or deactuates a.f. equipment, including preamplifiers, power amplifiers, and filters. It is partic...