| 7.36 eiektor juiy/sugust 1981 35 input buffers for the logic analyser The input buffers described here give the logic analyser (Elektors 71,...
| 7.36 eiektor juiy/sugust 1981 35 input buffers for the logic analyser The input buffers described here give the logic analyser (Elektors 71,...
| um. devices. In this case, potentiometer P2 can be used to set the trigger level. Finally, it is also possible to use the circuit as a pream...
| 7-38 — elektor July/august 1981 37 digital sinewave oscillator An assortment of digital sinewave generator circuits have found their way i...
| 38 transform erless aerial amplifier 9 The omega-antenna, published in the June 1980 issue of Elektor (page 6-08), fulfilled a popular deman...
| — t--- —22 • 104 • C1 • in For those in doubt the "try it and see" method may take longer but will work just as well. If required,...
| power stabiliser This power supply circuit consists of a three-pin voltage regulator IC in conjunction with a buffaecrt lt of the only trans...
| constant current LED It is normal nowadays to use a LED as a panel indicator whenever possible. However, in keeping with all electronic devi...
| " (frequency-shift The most popular form of keying) modulator used by computers nowadays is the "Kansas City Standard" where digital infor-...
| signal injector - tracer be one of the A signal injector must certainly cheapest and most useful pieces of test equipment in the hobby works...
| solar powered pocket torch Pocket torches are handy things, but they have one great drawback: at the most inconvenient moments their batteri...