HH_1_29 - then it takes over without interruption Make a...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Problem HH 1.29 A useful application of diodes is to pass the higher of two voltages without affecting the lower. An example of this is battery backup, a method of keeping something running (e.g. a precision electronic clock) that must not stop when there is a power failure. The figure below indicates a circuit that does the job. The battery does nothing until the power fails;
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: then it takes over without interruption. Make a simple modification to the circuit so that the battery is charged by the dc supply (when power is on, of course) at a current of 10 mA (such a circuit is necessary to maintain the battery’s charge)....
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online