Elektor Team (9517)

1-07-1978 | This IR receiver can be used with the complementary transmitter described elsewhere in this issue. The IR signal is received by photodiode...

1-07-1978 | This amplifier has been specially designed for use with `alternative energy sources` such as solar cells, biological fuel cells, etc. These...

1-07-1978 | This circuit can be used to generate an up-down staircase waveform with a total of 512 steps per cycle. ICl and IC2 are two four-bit up-dow...

1-07-1978 | This circuit can be used to generate an up-down staircase waveform with a total of 512 steps per cycle. ICl and IC2 are two four-bit up-dow...

1-07-1978 | Designing a preamp for the VHF waveband (around 100 MHz) is not always an easy matter. This circuit, however, is both relatively simple to...

1-07-1978 | Designing a preamp for the VHF waveband (around 100 MHz) is not always an easy matter. This circuit, however, is both relatively simple to...

1-07-1978 | Calculating the correct RC values for high- and lowpass filters can be something of a chore and is often regarded by amateur constructors as...

1-07-1978 | The 723 is a very widely used IC regulator. Hence the following cir-cuit, which is intended to reduce power dissipation when the 723 is used...

1-07-1978 | The 723 is a very widely used IC regulator. Hence the following cir-cuit, which is intended to reduce power dissipation when the 723 is used...

1-07-1978 | This IR transmitter may be used with the receiver described elsewhere in this issue to make a simple infra-red control link. The IR signal i...