More about circuit (738)

1-04-1991 | The circuit diagram of the power supply shows that the semiconductor tester has an on-board step-up voltage converter that is powered from...

1-03-1991 | Following the circuit description in our January 1991 issue, we will now focus our attention on the practical construction of the preampl...

1-02-1991 | Most householders these days employ timeswitches to control their central heating systems. Many of these switches, however, are of the mec...

1-01-1991 | The high-performance insertion card described in this article allows your IBM PC-XT, PC-AT or 100% compatible to measure direct voltage at...

1-01-1991 | A previous article by the author on the 8031 microcontroller described so me problems associated with developing single-chip microcontroll...

1-12-1990 | Transmission lines may be used both for the direct transmission of information and as circuit elements, sometimes substituted for such com...

1-12-1990 | Simple function generators normally provide sinusoidal, rectangular and triangular waveforms, but seldom a sawtooth. The circuit derives...

1-12-1990 | The electronic ignition circuit presented here is intended to be inserted into a car's conventional ignition system. In effect, it replac...

1-12-1990 | The circuit presented here guarantees that if bulb La1 gives up the ghost. bulb La2 will take over its task, 50 that there is always ligh...

1-12-1990 | lt often happens that an electric guitar has to be connected to a mixing panel, a tape deck or a portable studio. As far as cabling is co...