More about design (647)

1-07-1998 | The design of the charger is similar to that of many commercially available chargers. The charger consists of a mains adaptor, two resis...

1-07-1998 | The circuit of the running light comprises two integrated circuits (ICs), a resistor, a capacitor and seven light-emitting diodes (LEDs)...

1-07-1998 | The humidifier circuit is based on a special humidity sensor Type NH-3 from Figaro. Depending on the sensor output, the circuit drives a...

1-07-1998 | The input resistance of a.c.-coupled op amp circuits depends almost entirely on the resistance with which the d.c. setting is determined...

1-07-1998 | A National Semiconductor Application switching power supply whose output voltage is appreciably lower than its input voltage has an int...

1-06-1998 | Using this simple circuit, it is possible to measure analogue signals via the serial port of a PC. The chosen approach allows even a ‘cast...

1-05-1998 | If you are looking for a circuit diagram for a specific application, there is a fair chance that you can find it on the Internet. Hobbyists...

1-04-1998 | The tester presented in this article is an update of the design published in our September 1993 issue. The ZN425 then used for the di...

1-04-1998 | In this article we answer the questions of our readers.

1-01-1998 | When he received his prize for the 1995 Elektor Electronics Circuit Design Competition, the winner of the international first prize, Laure...