Voltage memory device

Details Voltage memory device Voltage memory device

G - Physics

06

G

328/175, 352/82.

G06G 7/00 (2006.01) G01R 19/04 (2006.01) G11C 27/00 (2006.01) G11C 27/02 (2006.01)

Patent

CA 1056464

ABSTRACT OF THE DISCLOSURE The invention discloses and analog voltage memory device comprising an operational amplifier, a reed relay, a capacitor and a MOSFET which are so interconnected to each other that the input voltage applied to the operational am- plifier is compared with the output terminal of the operational applied to the noninverting input terminal of teh operational amplifier, thereby providing the output voltage whose magnitude follows the level of the input voltage and holds a desired level thereof for a long time. The analog voltage memory device may further include an additional operational amplifier which compares the input voltage with the output voltage and closes the reed relay only when the input voltage is higher than the output voltage sot hat the source follower output voltage from the MOSFET follows only the peak of the input voltage and remains at the level of this peak. The analog memory device in accordance with the present invention will revolutionize the art of analog memory used, for instance, for strong a monitor level, a tuning level, a finally adjusted value or a peak value of the output from an analog measurement instrument.

252019

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