More about circuit (744)

1-07-1991 | If a circuit ceases to function and it shows no visible damage, a voltage analysis should be the first step in locating the fault. Voltage...

1-06-1991 | The Atari ST is a user-friendly computer supported by a massive amount of excellent software. Unfortunately, early models of the ST lack a...

1-05-1991 | The power circuit described in this article is used for obtaining a variable direct voltage source from the 50 Hz a.c. mains supply. The v...

1-05-1991 | Many articles have been written on the use of two-by-two matrices for the representation of two-port or four-terminal networks. Computer d...

1-05-1991 | The circiut shown here generates a pulse train in which the width of each individual pulse is determined by a control voltage. This prope...

1-04-1991 | Although the operaring instructions for the logic analyser come from the computer, the commands are processed entirely by the contral boa...

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...