More about design (647)

1-06-1995 | A circuit is described that automatically adjusts the flux from a light source (incandescent or fluorescent) in accordance with the ambien...

1-06-1995 | There are often occasions when a higher direct voltage is required than an available battery can provide. In many such cases, the circuit...

1-05-1995 | The unit described is intended for analysing signals that are transmitted via a MIDI link. It enables the digital information to be made v...

1-05-1995 | A circuit is described that, controlled by a computer, generates perfect sine wave signals.

1-04-1995 | A simple function generator is described, which provides rectangular, triangular and sinusoidal waveforms in the frequency range d.c.-1 00...

1-04-1995 | 'To measure is to know' is applicable not only to electronics, but also to weather forecasting. Temperature, relative humidity and baromet...

1-04-1995 | The detector makes sounds at frequencies of 10-300 kHz audible to human beings. The conversion is ca ried out either by a superheterodyne...

1-04-1995 | Sun blinds, whether of the traditional awning kind or of the modern metal roller type, provide welcome shade in the summer and , in the ca...

1-03-1995 | The power that can be obtained from a standard car radio amplifier operating from a 12 V car battery is 5-6 W, which (for many listeners)...

1-03-1995 | Wideband antenna design is problematic because size and performance are conflicting aspects. The wideband antenna described in this articl...