Elektor Team (9531)

1-07-1981 | 38 transform erless aerial amplifier 9 The omega-antenna, published in the June 1980 issue of Elektor (page 6-08), fulfilled a popular deman...

1-07-1981 | — 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,...

1-07-1981 | power stabiliser This power supply circuit consists of a three-pin voltage regulator IC in conjunction with a buffaecrt lt of the only trans...

1-07-1981 | constant current LED It is normal nowadays to use a LED as a panel indicator whenever possible. However, in keeping with all electronic devi...

1-07-1981 | " (frequency-shift The most popular form of keying) modulator used by computers nowadays is the "Kansas City Standard" where digital infor-...

1-07-1981 | signal injector - tracer be one of the A signal injector must certainly cheapest and most useful pieces of test equipment in the hobby works...

1-07-1981 | solar powered pocket torch Pocket torches are handy things, but they have one great drawback: at the most inconvenient moments their batteri...

1-07-1981 | Yhugit H J Walter american billiards The popularity of American Pool continues to increase and this electronic game is played in a ow- simil...

1-07-1981 | Nom two unused inverters inside the 4069 package) to CMOS ultrasonic receiver Remote control of all sorts of equipment is be- coming more an...

1-07-1981 | 7-46 — elektor july/august 1981 47 constant pulse widthoscillator Switching oscillators on and off can sometimes give rise to problems due...