More about current (255)

1-02-1977 | Various circuits for Touch Activated Programme switches (T APs) have previously been published in Elektor. However, these switches...

1-10-1976 | The basic circuit of a current source is shown in figure 1 . The base-to-emitter potential for the source transistor Tl is derived from...

1-07-1976 | The performance of the normal current source using a common- emitter connected transistor can be improved by the addition of just one m...

1-07-1976 | This oscillator uses a 741 oparnp (ot; 1/4 of a LM 324) as its active component. If features an interesting and effective method to st...

1-07-1975 | When existing amplifiers lack sufficient input sensitivity and no space is avail- able inside their case, separate low power pre-amplifier...