More about Measuring (91)

1-04-1996 | After last month's introductory instalment on the main features of the AF analyser system, which consists of a pe soundcard and some d...

1-02-1996 | Many circuits intended for measuring capacitance depend on an often difficult to obtain and expensive reference capacitor of precisely known...

1-10-1995 | More than twenty years ago, IBM designed a computer system for small office appiications. No one at that time could have foreseen the revo...

1-09-1995 | Use this handy instrument to check out the resonance frequency of those unknown or home-brew inductor / capacitor combinations, or as a si...

1-09-1995 | The mains voltage level is dangerous, and possibly lethal to touch, so that extreme caution is required whenever you work on wiring or com...

1-07-1995 | Since measuring liquids with a direct voltage quickly leads to catalysis effects and corrosion, the gauge uses a rectangular voltage. The...

1-12-1993 | Since measuring alternating voltages and currents is not a straightforward matter, it is not to be wondered at that errors occur frequentl...

1-09-1992 | The audio-video processor is constructed on four printed circuit boards: potmeter board, measuring 314.5x159.5 mm, mother board, measurin...

1-09-1992 | Measuring a current without affecting the circuit in which that current is flowing is an ideal test method. Current-sense power MOSFETs are...

1-07-1991 | Most capacitance meters have no facility for measuring large electrolytic capacitors. The circuit described here makes it possible for s...