All items tagged with Electronics and technology (312)

1-07-1992 | Although a 9.5-24 V direct voltage can be brought down to 5 V easily by a standard regulator, the converter described here has the advant...

1-07-1992 | The sidac from Motorola is best compared with a triac of which the gate connection is missing. lt switches on whenever the voltage across...

1-07-1992 | The Smartec Type SMTl60-30- 18 is a temperature sensor with a digital output, and housed in a TO-18 case. Pins 1 and 3 are are the suppIy...

1-03-1992 | The logic relation 'exactly two of a,b,c, are true', or ((a,b,c,)), can perform all standard logic functions: for example, a = not b is (...

1-03-1992 | Many people nowadays do a lot of cooking in their wok, usually on agos or electric stove, but the idea outlined below, which I have been u...

1-12-1991 | The power supply for this analogue circuit that affords delays of 330 seconds is taken directly from the mains. The direct voltage at the...

1-12-1991 | Binary-coded-decimal (thumb-wheel) switches are not only relatively expensive, but are also often not available to the wanted specificati...

1-12-1991 | The wide frequency range, low power consumption and well-defined switching levels of HCMOS inverters make these devices emlnently suited t...

1-12-1991 | Rectifying the buzzer signal on a telephone line results in a voltage that may be used to switch one or more loads, for instance, a light...

1-12-1991 | This circuit has been designed primarily for use with valve amplifiers. When the arnplifier is switched on, filament voltage is supplied...