Elektor Team (9533)

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| LEDs are now finding applications in more and more varied fields and here is a unit to introduce them to the world of discos and the tr...

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| Like the `Big Ben 95` circuit published in Elektor 2 this is a design for an electronic doorbell that plays the well-known `Westminste...

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| Communications engineers will be interested in a new integrated circuit from Motorola known as the MC1699 divide-by-four gigahertz count...

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| For the first time the iron content of red blood corpuscles has been used to separate them from other blood components. The red cells ar...

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| This indoor FM antenna integrated with its specially designed amplifier will prove to be the long wished-for solution for those who a...

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| In many applications where seven- segment displays are used, such as digital clocks, it is desirable to have larger characters than the...

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| As described in the previous issue, the Preco is a high quality preamplifier/control amplifier system. It has the unusual feature tha...

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| One of the least understood controls on an amplifier is the `stereo image width control`. From several readers` queries it h...

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| The first part of this article ( Elektor 12, p. 448) outlined the thinking that led to the Equin amplifier design. In this second part...

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| A circuit is only as good as its power supply. Even the best designed circuits can be upset by supply ripple, poor regulation, mains t...