More about current (255)

1-12-1995 | The frequency of the standard Wien bridge oscilator presented is made variable by maktng one of the arms a mono potentiometer. The bridg...

1-10-1995 | In this series we look closely at digital electronics, what it is, what it does, how it works, and its promise for the future.

1-07-1995 | A current source based on one op amp can not easily be made variable, nor is the current very stable when standard resistors are used. T...

1-07-1995 | The principle of the circuit is that on the basis of the current drawn by a mains-operated master equipment another appliance, the slave,...

1-07-1995 | Thee starting current of heavy-duty d.c. motors can be 3-8 times as high as the normal operating current, which puts a heavy load on the...

1-07-1995 | Current souces ar e used in a variety of applications. They can be designed in a number of ways. One of the simplest is a common resisto...

1-07-1995 | In certain applications it may be desirable, in order to limit unnecessary power losses, to have the use of a diode with a forward voltag...

1-07-1995 | Measuring the current drawn by an apparatus is always a rather complicated matter. If a shunt resistor is placed across the positive supp...

1-06-1995 | The MAX471/472 are complete, bidirectional, high-side current-sense amplifiers for portable PCs, telephones, and other systems where batte...

1-12-1994 | Although a fuse is primarily intended to melt when the current through it becomes too large, there are times when this should not happen...