I need help in order to make a circuit which will do the following: Measure the time a voltage is applied (or switch is closed) and convert the time to an output voltage (linearly). Also measure the time when another switch is closed (or voltage applied in another circuit) and linearly convert this time to REDUCE the same output voltage. Is there an expert out there who can give me advice on how- to?
Thanks Lars
How about... Use a constant I source on a cap for increasing V with t. Use a constant I sink on the same cap for decreasing V with t.
D from BC
Over what sort of period? There are well-established techniques embodied in off-the-shelf time-to-voltage converters for microsecond to nanosecond time scales.
If the times involved are in the seconds to milliseconds range, a dumb microcontroller is a much cheaper solution.
-- Bill Sloman, Nijmegen
A gear motor and a 10 turn pot.
A PIC, of course.
-- Many thanks, Don Lancaster voice phone: (928)428-4073 Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552 rss: http://www.tinaja.com/whtnu.xml email: don@tinaja.com Please visit my GURU\'s LAIR web site at http://www.tinaja.com
digital up-down counter with an R network on the output's doing the DA?
ElectronDepot website is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.