All items tagged with technology and PDF (297)

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 | 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...

1-12-1991 | Some video cameras have a socket for a remote control unit. It appears, however that it is not always easy to connect an interval-contral...

1-12-1991 | A type TL081 opamp and same passive components are sufficient to construct a small amplifier whose amplification can be varied between +...