More about Electronics (842)

1-02-1992 | Many electronics designers give little or no thought during their work to the various types of battery now available, Battery manufacture...

1-02-1992 | The MAX743 DC-DC converter IC contains all the active circuitry needed to build smalI, dual-outpur power supplies. Relying on simple two-...

1-02-1992 | Precision temperature control is required from egg incubators to large industrial furnaces. lf the temperature controller malfunctions, t...

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 | 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 | One instrument no electronics hobbyist can do without is a regulated power supply. This month we present a no-frills design that should...

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