Elektor Team (9510)

1-06-1989 | 46 IN-CIRCUIT TRANSISTOR TESTER by A. Rigby In electronic troubleshooting a transistor is generally not above suspicion until it responds co...

1-06-1989 | 48 WIDEBAND DISCONE AERIAL FOR VHF Most scanning receivers are capable of receiving signals over a relatively wide frequency range: 80 to 47...

1-06-1989 | IN-LINE RS-232 MONITOR by A. Rigby Serial links between computers and peripheral equipment based on the RS-232 standard are notoriously diff...

1-06-1989 | DIGITAL ECHO UNIT EG1000 design: ELV GmbH The EG1000 echo/reverberation unit uses delta-modulation on a digital basis, and is capable of pro...

1-06-1989 | 60 SEMICONDUCTOR DIODES by T. Wigmore Although many readers know perfectly well what a diode is, it does no harm to repeat its definition he...

1-05-1989 | INTERMEDIATE PROJECT A series of projects for the not-so-experienced constructor. Although each article will describe in detail the operatio...

1-05-1989 | THE DIGITAL MODEL TRAIN PART 4 by T. Wigmore Universal signals and switching decoder The points (turnout) decoder described in Part 1 of thi...

1-05-1989 | 18 ANALOGUE ML LTIMETER by T. Giffard An advanced electronic multimeter with no fewer than 80 ranges and easily reproducible accuracy. An im...

1-05-1989 | 26 SCIENCE & TECHNOLOGY Forecasting flickers in the field by Dr Bill Stuart, Geomagnetism Research Group, British Geological Survey, Edinbur...

1-05-1989 | 30 PRACTICAL FILTER DESIGN (5) by H. Baggott Last month we discussed the design of wide band-pass filters. This month"s instalment in the se...