Joseph J. Carr (26)

1-09-1993 | Sensors are used to measure physical parameters by producing an output current or voltage signal that represents that parameter. For exam...

1-07-1993 | The digital computer revolutionized electronic design to such an extent that today even relatively minor devices contain microprocessors. C...

1-06-1993 | In Part 1 of this two-part article we looked at the subject of measurement variation, and determined that most processes naturally vary a...

1-05-1993 | "Ever wondered how to weigh a bull?" John's question took me by surprise. When he's not being an electronic bobbiest, my friend is the ag...

1-04-1993 | We can make antenna impedance measurements using a variant of the oldfashioned Wheatstone bridge. This article shows the basic form of th...

1-03-1993 | This article looks at instruments and methods that can be used by both harn operators and shortwave listeners to get the most out of an an...

1-02-1993 | An attenuator ls a circult that reduces signal level, i.e., has an output signal level that is lower than the input signal level. In this r...

1-01-1993 | M OST solid-state electronic circuits normally operate in a low voltage environment, and may be seriously harmed - even destroyed - in a...

1-12-1992 | A dummy load is an artificial aerial that is used for making measurements and performing tests on radio transmitters without actually radia...

1-11-1992 | Any time a device produces a resistance (or resistance change) as the transducible property for a measurement, we can use the Wheatstone...