More about Electronics (842)

1-12-1994 | The present filter has an amplification ofx2, so that R5 and R6 in the feedback loop can be equivalent. In other words, their ratio is n...

1-12-1994 | When an older fax machine and a telephone, which share a line. are located in different rooms, an annoying situation may arise. When the...

1-12-1994 | Most readers will be acquainted with a tone control as found on many audio amplifiers. Such a control normally consists of a potentiomet...

1-12-1994 | Standard potentiometers have some unfortunate properties, such as crackling when they get older and unequal tracking in stereo types. A...

1-12-1994 | The filter consists of two fourth -order sections in series. Various components in the second section have been given two different valu...

1-12-1994 | The Type UGN3140 Hall-sensor from Sprague enables a magnetic- field detector to be constructed that is conspicuous by its simplicity.

1-12-1994 | The TLC247x family from Texas Instruments is aseries of integrated circuits specifically designed to make driving a loudspeaker with an...

1-12-1994 | The 'Electronica' (electronics) fair to be held in Munieh, Germany, from 8 to 12 November 1994 attracted an estimated 80,000 to 90,000 p...

1-12-1994 | The adaptor enables almost any NiCd charger to work on the reflex principle. It is simply connectect in parallel with a battery when thi...

1-12-1994 | A small detector to indicate the present of a pulsating or alternating electric field is easily made from an inexpensive IC, an LED, a r...