Elektor Team (9512)

1-12-1974 | The distortion in factory- produced or home-made ampli- fiers is frequently unknown; designers sometimes give specifications, but these...

1-12-1974 | The phenomenon of `quadro-phony` has already been the subject of many publications, but the confusion only seems to increase with every ne...

1-12-1974 | "The aerial amplifier described in this article is characterized, among other things, by its low noise level (1-2 dB), a voltage gain of 10-...

1-12-1974 | An important alternative to the mechan- ical switch - rotating or push-button - is the touch switch. This has the advan- tages of greater...

1-12-1974 | The simplest possible flasher device is a bimetal switch. This construction can be found in `blinker bulbs` and in the starter-switch...

1-12-1974 | It is widely accepted that the loud- . speaker is the weakest link in the high-quality audio chain. This is particularly the case at t...

1-12-1974 | Those who need to understand the underlying theory of the working of moving-coil loudspeakers usually try to read authoritative textbook...

1-12-1974 | Many owners of model railways want their world of trains` to be as realistic as possible. A means of imitating the sound of a real steam tra...

1-12-1974 | Many model railways still run on `steam`. For greater realism the steam locomotives are nowadays often fitted with an artificial smok...