More about time (745)

1-03-1996 | This article is one from our 90s collection, we talk about the letters that we received from our dear readers.

1-03-1996 | This article is one from our 90s collection, we talk about the letters that we received from our dear readers.

1-02-1996 | I f you want to fit your loudspeaker enclosure(s) with a drive indicator, it is best to use a unit that does not need a power supply. The...

1-12-1995 | The comparator enables an unknown capacitor to be likened to a known reference capacitor, and to indicate whether it is smaller, larger o...

1-12-1995 | The timer is based on a Type 4536 from SGS-Thomson. This IC contains 24 series-connected binary scalers, which divide the frequency of t...

1-12-1995 | This circuit ensures that messages received by a radio or transceiver are automatically recorded on a cassette or tape recorder. lt is as...

1-12-1995 | This circuit switches a mains operated load on and off under the control of two presskeys.

1-12-1995 | A simple approach to the problem of frequency doubling a digital signal is shown here. An XOR gate, lC(1a) supplies a needle pulse on the...

1-12-1995 | Since the reactance of a capacitor is inversely proportional to the capacitance, it may be used as the basis of determining the value of...

1-12-1995 | This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...