Elektor Team (9531)

1-01-1988 | SCIENCE MOBILISES TO BEAT MURDER IN THE AIR The problems confronting airport security are basically the same as those involved in the custod...

1-01-1988 | A noise blanker is indispensable for im- proving the reception of very weak signals on the SW bands. In most com- munication receivers, the...

1-01-1988 | 64 EE January 1988 2 03 ■I • AA119 r- -0" T L _rf *R7 bias setA 4 3 2 8 _J 01 72 R11 BC54713 100n 0 IN LO 26 V- OSC1 OSC2 OSC3 C REF REF...

1-01-1988 | 66 EE ij A single transistor amplifier and a matched RF signal distributor ensure that the signal provided by the aerial or cable network ca...

1-01-1988 | EE " 988 69 FRONT-END FOR FM RECEIVER Among the most important technical characteristics of a VHF preamplifier are the noise figure, and the...

1-12-1987 | EE December 1987 LOGARITHMIC LCD VU METER Not so long ago, coloured LED bars were welcomed as the more robust and faster replace- ment for m...

1-12-1987 | EE 26 December 1987 BRITISH AEROSPACE: 10 YEARS IN SPACE When we speak of British Aerospace, we normally think of Concorde and the company"s...

1-12-1987 | Solar arrays For the past 20 years, BAe has built solar arrays and deploy- ment mechanisms for a number of spacecraft. These have in- cluded...

1-12-1987 | EE December 1987 TEST 8c MEASURING EQUIPMENT The field of electronic test and measuring equipment is large and still growing. Although not s...

1-12-1987 | EE December 1987 PHILOSOPHIAE NATURALIS PRINCIPIA MATHEMATICA Or MATHEMATICAL PRINCIPLES OF NATURAL PHILOSOPHY by ISAAC NEWTON 1687 - A TERC...