Elektor Team (12074)

1.07.1979 | The following circuit will provide an audible indication of CMOS logic states. Logic `O` is represented by a low frequency tone (roughly 200...

1.07.1979 | This simple circuit offers model railway enthusiasts a cheap alternative to the fairly expensive block section controllers which are availab...

1.07.1979 | This transistor tester is not intended as a fully-fledged measuring instru-ment; it can be used when a general indication is required of th...

1.07.1979 | Although not exactly revolutionary, the circuit shown here is both very cheap and reliable. The well-known 555 timer IC is connected as an a...

1.07.1979 | Although not exactly revolutionary, the circuit shown here is both very cheap and reliable. The well-known 555 timer IC is connected as an a...

1.07.1979 | Sun I ight is now recognised as an important source of `alternative` energy, and the use of solar panels to convert the sun`s rays into elec...

1.07.1979 | Dynamic Noise Limiting (DNL) is a noise reduction system patented by Philips, which is particularly useful for the reproduction of (cassette...

1.07.1979 | Dynamic Noise Limiting (DNL) is a noise reduction system patented by Philips, which is particularly useful for the reproduction of (cassette...

1.07.1979 | Generally speaking, resistors with a 5% tolerance are more than adequate for most of the circuits published in Elektor. However from time to...

1.07.1979 | An annoying drawback of many liquid level sensors is the effect of electrolytic reaction between the liquid and the sensors. Metal electro-d...